filebeat panic

    [root@x.x.x.x filebeat]# service filebeat restart ; tail -f /var/log/messages | grep filebeat
    Restarting filebeat (via systemctl):                       [  OK  ]
    Jun 10 14:32:57 ip-10-1-23-51 systemd: Stopping filebeat...
    Jun 10 14:32:57 ip-10-1-23-51 systemd: Started filebeat.
    Jun 10 14:32:57 ip-10-1-23-51 systemd: Starting filebeat...
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: panic: runtime error: invalid memory address or nil pointer dereference
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: [signal 0xb code=0x1 addr=0x10 pc=0x54edc4]
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 9 [running]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/harvester.(*Harvester).Harvest.func1(0xc8200ae200)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/harvester/log.go:91 +0x54
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/harvester.(*Harvester).Harvest(0xc8200ae200)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/harvester/log.go:158 +0xa84
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/harvester.(*Harvester).Start
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/harvester/harvester.go:82 +0x35
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 1 [select]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Registrar).Run(0xc820178c00)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/registrar.go:95 +0x49f
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/beat.(*Filebeat).Run(0xc820118520, 0xc8201148c0, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/beat/filebeat.go:100 +0x624
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/beat.(*Beat).Run(0xc8201148c0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/beat/beat.go:176 +0x31c
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/beat.Run(0x94be90, 0x8, 0x936eb8, 0x5, 0x7f7f0c254688, 0xc820118520, 0xc820110a60)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/beat/beat.go:86 +0x25b
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: main.main()
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/main.go:21 +0x9d
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 17 [syscall, locked to thread]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: runtime.goexit()
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/asm_amd64.s:1696 +0x1
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 5 [syscall]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: os/signal.loop()
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/os/signal/signal_unix.go:22 +0x18
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by os/signal.init.1
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/os/signal/signal_unix.go:28 +0x37
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 34 [select]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/publisher.(*messageWorker).run(0xc820180000)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/publisher/worker.go:61 +0x449
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/libbeat/publisher.(*messageWorker).init
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/publisher/worker.go:55 +0x11e
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 7 [IO wait]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: net.runtime_pollWait(0x7f7f0c255180, 0x72, 0xc82000e120)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/netpoll.go:157 +0x60
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: net.(*pollDesc).Wait(0xc8201213a0, 0x72, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/net/fd_poll_runtime.go:73 +0x3a
    Jun 10 14:32:57 ip-10-1-23-51 systemd: filebeat.service: main process exited, code=exited, status=2/INVALIDARGUMENT
    Jun 10 14:32:57 ip-10-1-23-51 systemd: Unit filebeat.service entered failed state.
    Jun 10 14:32:57 ip-10-1-23-51 systemd: filebeat.service failed.
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: net.(*pollDesc).WaitRead(0xc8201213a0, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/net/fd_poll_runtime.go:78 +0x36
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: net.(*netFD).Read(0xc820121340, 0xc820160000, 0x1000, 0x1000, 0x0, 0x7f7f0e89e050, 0xc82000e120)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/net/fd_unix.go:232 +0x23a
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: net.(*conn).Read(0xc82002a058, 0xc820160000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/net/net.go:172 +0xe4
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: net/http.noteEOFReader.Read(0x7f7f0e8a2978, 0xc82002a058, 0xc8201441b8, 0xc820160000, 0x1000, 0x1000, 0x36300000000, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:1370 +0x67
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: net/http.(*noteEOFReader).Read(0xc82000c940, 0xc820160000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: <autogenerated>:126 +0xd0
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: bufio.(*Reader).fill(0xc8200142a0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/bufio/bufio.go:97 +0x1e9
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: bufio.(*Reader).Peek(0xc8200142a0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/bufio/bufio.go:132 +0xcc
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: net/http.(*persistConn).readLoop(0xc820144160)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:876 +0xf7
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by net/http.(*Transport).dialConn
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:685 +0xc78
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 8 [select]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: net/http.(*persistConn).writeLoop(0xc820144160)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:1009 +0x40c
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by net/http.(*Transport).dialConn
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:686 +0xc9d
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 35 [select]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/publisher.(*bulkWorker).run(0xc8201ba000)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/publisher/bulk.go:58 +0x371
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/libbeat/publisher.newBulkWorker
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/publisher/bulk.go:42 +0x222
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 36 [select, locked to thread]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: runtime.gopark(0xa19ae0, 0xc8201c0f28, 0x93ee08, 0x6, 0x18, 0x2)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/proc.go:185 +0x163
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: runtime.selectgoImpl(0xc8201c0f28, 0x0, 0x18)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/select.go:392 +0xa64
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: runtime.selectgo(0xc8201c0f28)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/select.go:212 +0x12
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: runtime.ensureSigM.func1()
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/signal1_unix.go:227 +0x353
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: runtime.goexit()
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/asm_amd64.s:1696 +0x1
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 37 [chan receive]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/service.HandleSignals.func1(0xc820183560, 0xc8201710e0, 0xc820174f80)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/service/service.go:29 +0x3a
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/libbeat/service.HandleSignals
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/service/service.go:32 +0x1f8
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 39 [select]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/beat.(*Spooler).Run(0xc820192410)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/beat/spooler.go:85 +0x7c2
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/beat.(*Filebeat).Run
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/beat/filebeat.go:90 +0x421
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 40 [sleep]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: time.Sleep(0x3b9aca00)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/time.go:59 +0xf9
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).stdinRun(0xc8201e2000, 0xc820183860)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:230 +0x27c
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).Run(0xc8201e2000, 0xc820183860)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:146 +0x1c1
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/crawler.(*Crawler).Start
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/crawler.go:52 +0x47c
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 41 [sleep]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: time.Sleep(0x2540be400)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/time.go:59 +0xf9
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).logRun(0xc8201e21c0, 0xc820183860)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:184 +0x400
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).Run(0xc8201e21c0, 0xc820183860)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:149 +0x169
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/crawler.(*Crawler).Start
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/crawler.go:52 +0x47c
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 42 [sleep]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: time.Sleep(0x2540be400)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/time.go:59 +0xf9
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).logRun(0xc8201e2380, 0xc820183860)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:184 +0x400
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).Run(0xc8201e2380, 0xc820183860)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:149 +0x169
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/crawler.(*Crawler).Start
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/crawler.go:52 +0x47c
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 43 [select]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/beat.(*syncLogPublisher).Start.func1(0xc820178c80)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/beat/publish.go:92 +0x693
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/beat.(*syncLogPublisher).Start
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/beat/publish.go:113 +0x58
    Jun 10 14:32:57 ip-10-1-23-51 systemd: filebeat.service holdoff time over, scheduling restart.
    Jun 10 14:32:57 ip-10-1-23-51 systemd: Started filebeat.
    Jun 10 14:32:57 ip-10-1-23-51 systemd: Starting filebeat...
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: panic: runtime error: invalid memory address or nil pointer dereference
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: [signal 0xb code=0x1 addr=0x10 pc=0x54edc4]
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 43 [running]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/harvester.(*Harvester).Harvest.func1(0xc820189400)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/harvester/log.go:91 +0x54
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/harvester.(*Harvester).Harvest(0xc820189400)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/harvester/log.go:158 +0xa84
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/harvester.(*Harvester).Start
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/harvester/harvester.go:82 +0x35
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 1 [chan receive]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Crawler).Start(0xc8200b1cc0, 0xc82015e480, 0x3, 0x3, 0xc82016f8c0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/crawler.go:60 +0x5eb
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/beat.(*Filebeat).Run(0xc820114500, 0xc82010aa00, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/beat/filebeat.go:92 +0x462
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/beat.(*Beat).Run(0xc82010aa00)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/beat/beat.go:176 +0x31c
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/beat.Run(0x94be90, 0x8, 0x936eb8, 0x5, 0x7ff94809e580, 0xc820114500, 0xc82010ea80)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/beat/beat.go:86 +0x25b
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: main.main()
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/main.go:21 +0x9d
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 17 [syscall, locked to thread]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: runtime.goexit()
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/asm_amd64.s:1696 +0x1
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 5 [syscall]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: os/signal.loop()
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/os/signal/signal_unix.go:22 +0x18
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by os/signal.init.1
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/os/signal/signal_unix.go:28 +0x37
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 34 [select]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/publisher.(*messageWorker).run(0xc82018a000)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/publisher/worker.go:61 +0x449
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/libbeat/publisher.(*messageWorker).init
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/publisher/worker.go:55 +0x11e
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 20 [IO wait]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: net.runtime_pollWait(0x7ff94809f078, 0x72, 0xc82000e120)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/netpoll.go:157 +0x60
    Jun 10 14:32:57 ip-10-1-23-51 systemd: filebeat.service: main process exited, code=exited, status=2/INVALIDARGUMENT
    Jun 10 14:32:57 ip-10-1-23-51 systemd: Unit filebeat.service entered failed state.
    Jun 10 14:32:57 ip-10-1-23-51 systemd: filebeat.service failed.
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: net.(*pollDesc).Wait(0xc82011d3a0, 0x72, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/net/fd_poll_runtime.go:73 +0x3a
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: net.(*pollDesc).WaitRead(0xc82011d3a0, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/net/fd_poll_runtime.go:78 +0x36
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: net.(*netFD).Read(0xc82011d340, 0xc82014d000, 0x1000, 0x1000, 0x0, 0x7ff94aee9050, 0xc82000e120)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/net/fd_unix.go:232 +0x23a
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: net.(*conn).Read(0xc820110120, 0xc82014d000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/net/net.go:172 +0xe4
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: net/http.noteEOFReader.Read(0x7ff94809f938, 0xc820110120, 0xc8201401b8, 0xc82014d000, 0x1000, 0x1000, 0x36300000000, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:1370 +0x67
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: net/http.(*noteEOFReader).Read(0xc8201151a0, 0xc82014d000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: <autogenerated>:126 +0xd0
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: bufio.(*Reader).fill(0xc820119a40)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/bufio/bufio.go:97 +0x1e9
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: bufio.(*Reader).Peek(0xc820119a40, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/bufio/bufio.go:132 +0xcc
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: net/http.(*persistConn).readLoop(0xc820140160)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:876 +0xf7
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by net/http.(*Transport).dialConn
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:685 +0xc78
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 21 [select]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: net/http.(*persistConn).writeLoop(0xc820140160)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:1009 +0x40c
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by net/http.(*Transport).dialConn
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:686 +0xc9d
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 35 [select]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/publisher.(*bulkWorker).run(0xc8201c2000)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/publisher/bulk.go:58 +0x371
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/libbeat/publisher.newBulkWorker
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/publisher/bulk.go:42 +0x222
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 36 [select, locked to thread]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: runtime.gopark(0xa19ae0, 0xc8201de728, 0x93ee08, 0x6, 0x18, 0x2)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/proc.go:185 +0x163
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: runtime.selectgoImpl(0xc8201de728, 0x0, 0x18)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/select.go:392 +0xa64
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: runtime.selectgo(0xc8201de728)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/select.go:212 +0x12
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: runtime.ensureSigM.func1()
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/signal1_unix.go:227 +0x353
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: runtime.goexit()
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/asm_amd64.s:1696 +0x1
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 37 [chan receive]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/service.HandleSignals.func1(0xc82016f5c0, 0xc82017d0e0, 0xc820180f80)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/service/service.go:29 +0x3a
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/libbeat/service.HandleSignals
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/service/service.go:32 +0x1f8
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 39 [select]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/beat.(*Spooler).Run(0xc82019a410)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/beat/spooler.go:85 +0x7c2
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/beat.(*Filebeat).Run
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/beat/filebeat.go:90 +0x421
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 40 [sleep]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: time.Sleep(0x3b9aca00)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/time.go:59 +0xf9
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).stdinRun(0xc8201ea000, 0xc82016f8c0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:230 +0x27c
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).Run(0xc8201ea000, 0xc82016f8c0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:146 +0x1c1
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/crawler.(*Crawler).Start
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/crawler.go:52 +0x47c
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 41 [runnable]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: os.Stat(0xc82019a280, 0x1b, 0x0, 0x0, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/os/file_unix.go:153 +0x3f
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: path/filepath.glob(0xc82019a280, 0x1b, 0xc82019a29c, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/path/filepath/match.go:276 +0xea
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: path/filepath.Glob(0xc82019a280, 0x1d, 0x0, 0x0, 0x0, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/path/filepath/match.go:253 +0x282
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: path/filepath.Glob(0xc82019a280, 0x28, 0x0, 0x0, 0x0, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/path/filepath/match.go:257 +0x2f3
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: path/filepath.Glob(0xc82019a280, 0x2a, 0x0, 0x0, 0x0, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/path/filepath/match.go:257 +0x2f3
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: path/filepath.Glob(0xc82019a280, 0x34, 0x0, 0x0, 0x0, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/path/filepath/match.go:257 +0x2f3
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: path/filepath.Glob(0xc82019a280, 0x36, 0x0, 0x0, 0x0, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/path/filepath/match.go:257 +0x2f3
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: path/filepath.Glob(0xc82019a280, 0x3b, 0x0, 0x0, 0x0, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/path/filepath/match.go:257 +0x2f3
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: path/filepath.Glob(0xc82019a280, 0x42, 0x0, 0x0, 0x0, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/path/filepath/match.go:257 +0x2f3
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: path/filepath.Glob(0xc82019a280, 0x49, 0x0, 0x0, 0x0, 0x0, 0x0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/path/filepath/match.go:257 +0x2f3
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).scan(0xc8201ea1c0, 0xc82019a280, 0x49, 0xc82016f8c0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:264 +0x184
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).logRun(0xc8201ea1c0, 0xc82016f8c0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:165 +0x250
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).Run(0xc8201ea1c0, 0xc82016f8c0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:149 +0x169
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/crawler.(*Crawler).Start
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/crawler.go:52 +0x47c
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: goroutine 42 [sleep]:
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: time.Sleep(0x2540be400)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/time.go:59 +0xf9
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).logRun(0xc8201ea380, 0xc82016f8c0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:184 +0x400
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).Run(0xc8201ea380, 0xc82016f8c0)
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:149 +0x169
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/crawler.(*Crawler).Start
    Jun 10 14:32:57 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/crawler.go:52 +0x47c
    Jun 10 14:32:58 ip-10-1-23-51 systemd: filebeat.service holdoff time over, scheduling restart.
    Jun 10 14:32:58 ip-10-1-23-51 systemd: Started filebeat.
    Jun 10 14:32:58 ip-10-1-23-51 systemd: Starting filebeat...
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: panic: runtime error: invalid memory address or nil pointer dereference
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: [signal 0xb code=0x1 addr=0x10 pc=0x54edc4]
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 27 [running]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/harvester.(*Harvester).Harvest.func1(0xc82017f200)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/harvester/log.go:91 +0x54
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/harvester.(*Harvester).Harvest(0xc82017f200)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/harvester/log.go:158 +0xa84
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/harvester.(*Harvester).Start
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/harvester/harvester.go:82 +0x35
    Jun 10 14:32:58 ip-10-1-23-51 systemd: filebeat.service: main process exited, code=exited, status=2/INVALIDARGUMENT
    Jun 10 14:32:58 ip-10-1-23-51 systemd: Unit filebeat.service entered failed state.
    Jun 10 14:32:58 ip-10-1-23-51 systemd: filebeat.service failed.
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 1 [select]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Registrar).Run(0xc82011a840)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/registrar.go:95 +0x49f
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/beat.(*Filebeat).Run(0xc820118540, 0xc82010ea50, 0x0, 0x0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/beat/filebeat.go:100 +0x624
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/beat.(*Beat).Run(0xc82010ea50)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/beat/beat.go:176 +0x31c
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/beat.Run(0x94be90, 0x8, 0x936eb8, 0x5, 0x7f245cd81580, 0xc820118540, 0xc820112aa0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/beat/beat.go:86 +0x25b
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: main.main()
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/main.go:21 +0x9d
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 17 [syscall, locked to thread]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: runtime.goexit()
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/asm_amd64.s:1696 +0x1
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 5 [syscall]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: os/signal.loop()
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/os/signal/signal_unix.go:22 +0x18
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by os/signal.init.1
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/os/signal/signal_unix.go:28 +0x37
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 34 [select]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/publisher.(*messageWorker).run(0xc820180000)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/publisher/worker.go:61 +0x449
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/libbeat/publisher.(*messageWorker).init
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/publisher/worker.go:55 +0x11e
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 7 [IO wait]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net.runtime_pollWait(0x7f245cd82078, 0x72, 0xc82000e120)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/netpoll.go:157 +0x60
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net.(*pollDesc).Wait(0xc8201213a0, 0x72, 0x0, 0x0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/fd_poll_runtime.go:73 +0x3a
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net.(*pollDesc).WaitRead(0xc8201213a0, 0x0, 0x0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/fd_poll_runtime.go:78 +0x36
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net.(*netFD).Read(0xc820121340, 0xc820160000, 0x1000, 0x1000, 0x0, 0x7f245fbcc050, 0xc82000e120)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/fd_unix.go:232 +0x23a
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net.(*conn).Read(0xc82002a050, 0xc820160000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/net.go:172 +0xe4
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net/http.noteEOFReader.Read(0x7f245fbd0978, 0xc82002a050, 0xc8201441b8, 0xc820160000, 0x1000, 0x1000, 0x36300000000, 0x0, 0x0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:1370 +0x67
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net/http.(*noteEOFReader).Read(0xc82000c940, 0xc820160000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: <autogenerated>:126 +0xd0
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: bufio.(*Reader).fill(0xc8200142a0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/bufio/bufio.go:97 +0x1e9
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: bufio.(*Reader).Peek(0xc8200142a0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/bufio/bufio.go:132 +0xcc
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net/http.(*persistConn).readLoop(0xc820144160)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:876 +0xf7
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by net/http.(*Transport).dialConn
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:685 +0xc78
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 8 [select]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net/http.(*persistConn).writeLoop(0xc820144160)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:1009 +0x40c
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by net/http.(*Transport).dialConn
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:686 +0xc9d
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 35 [select]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/publisher.(*bulkWorker).run(0xc8201ba000)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/publisher/bulk.go:58 +0x371
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/libbeat/publisher.newBulkWorker
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/publisher/bulk.go:42 +0x222
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 36 [select, locked to thread]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: runtime.gopark(0xa19ae0, 0xc8201c0f28, 0x93ee08, 0x6, 0x18, 0x2)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/proc.go:185 +0x163
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: runtime.selectgoImpl(0xc8201c0f28, 0x0, 0x18)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/select.go:392 +0xa64
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: runtime.selectgo(0xc8201c0f28)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/select.go:212 +0x12
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: runtime.ensureSigM.func1()
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/signal1_unix.go:227 +0x353
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: runtime.goexit()
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/asm_amd64.s:1696 +0x1
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 20 [chan receive]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/service.HandleSignals.func1(0xc820183560, 0xc8201710e0, 0xc820174f80)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/service/service.go:29 +0x3a
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/libbeat/service.HandleSignals
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/service/service.go:32 +0x1f8
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 22 [select]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/beat.(*Spooler).Run(0xc82010efa0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/beat/spooler.go:85 +0x7c2
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/beat.(*Filebeat).Run
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/beat/filebeat.go:90 +0x421
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 23 [sleep]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: time.Sleep(0x3b9aca00)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/time.go:59 +0xf9
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).stdinRun(0xc8201421c0, 0xc82011dbc0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:230 +0x27c
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).Run(0xc8201421c0, 0xc82011dbc0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:146 +0x1c1
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/crawler.(*Crawler).Start
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/crawler.go:52 +0x47c
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 24 [sleep]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: time.Sleep(0x2540be400)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/time.go:59 +0xf9
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).logRun(0xc820142380, 0xc82011dbc0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:184 +0x400
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).Run(0xc820142380, 0xc82011dbc0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:149 +0x169
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/crawler.(*Crawler).Start
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/crawler.go:52 +0x47c
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 25 [sleep]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: time.Sleep(0x2540be400)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/time.go:59 +0xf9
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).logRun(0xc820142540, 0xc82011dbc0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:184 +0x400
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).Run(0xc820142540, 0xc82011dbc0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:149 +0x169
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/crawler.(*Crawler).Start
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/crawler.go:52 +0x47c
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 26 [select]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/beat.(*syncLogPublisher).Start.func1(0xc82011a940)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/beat/publish.go:92 +0x693
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/beat.(*syncLogPublisher).Start
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/beat/publish.go:113 +0x58
    Jun 10 14:32:58 ip-10-1-23-51 systemd: filebeat.service holdoff time over, scheduling restart.
    Jun 10 14:32:58 ip-10-1-23-51 systemd: Started filebeat.
    Jun 10 14:32:58 ip-10-1-23-51 systemd: Starting filebeat...
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: panic: runtime error: invalid memory address or nil pointer dereference
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: [signal 0xb code=0x1 addr=0x10 pc=0x54edc4]
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 50 [running]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/harvester.(*Harvester).Harvest.func1(0xc8201b2000)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/harvester/log.go:91 +0x54
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/harvester.(*Harvester).Harvest(0xc8201b2000)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/harvester/log.go:158 +0xa84
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/harvester.(*Harvester).Start
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/harvester/harvester.go:82 +0x35
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 1 [select]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Registrar).Run(0xc820011940)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/registrar.go:95 +0x49f
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/beat.(*Filebeat).Run(0xc82000ce00, 0xc820063180, 0x0, 0x0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/beat/filebeat.go:100 +0x624
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/beat.(*Beat).Run(0xc820063180)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/beat/beat.go:176 +0x31c
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/beat.Run(0x94be90, 0x8, 0x936eb8, 0x5, 0x7fdea4d510c8, 0xc82000ce00, 0xc8201021c0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/beat/beat.go:86 +0x25b
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: main.main()
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/main.go:21 +0x9d
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 17 [syscall, locked to thread]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: runtime.goexit()
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/asm_amd64.s:1696 +0x1
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 5 [syscall]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: os/signal.loop()
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/os/signal/signal_unix.go:22 +0x18
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by os/signal.init.1
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/os/signal/signal_unix.go:28 +0x37
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 20 [runnable]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/beat.(*syncLogPublisher).Start.func1(0xc820128280)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/beat/publish.go:85
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/beat.(*syncLogPublisher).Start
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/beat/publish.go:113 +0x58
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 18 [IO wait]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net.runtime_pollWait(0x7fdea4d51bc0, 0x72, 0xc82000e120)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/netpoll.go:157 +0x60
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net.(*pollDesc).Wait(0xc8201200d0, 0x72, 0x0, 0x0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/fd_poll_runtime.go:73 +0x3a
    Jun 10 14:32:58 ip-10-1-23-51 systemd: filebeat.service: main process exited, code=exited, status=2/INVALIDARGUMENT
    Jun 10 14:32:58 ip-10-1-23-51 systemd: Unit filebeat.service entered failed state.
    Jun 10 14:32:58 ip-10-1-23-51 systemd: filebeat.service failed.
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net.(*pollDesc).WaitRead(0xc8201200d0, 0x0, 0x0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/fd_poll_runtime.go:78 +0x36
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net.(*netFD).Read(0xc820120070, 0xc82012c000, 0x1000, 0x1000, 0x0, 0x7fdea4d4c050, 0xc82000e120)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/fd_unix.go:232 +0x23a
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net.(*conn).Read(0xc820126000, 0xc82012c000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/net.go:172 +0xe4
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net/http.noteEOFReader.Read(0x7fdea2702000, 0xc820126000, 0xc8200d7028, 0xc82012c000, 0x1000, 0x1000, 0x36300000000, 0x0, 0x0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:1370 +0x67
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net/http.(*noteEOFReader).Read(0xc820122040, 0xc82012c000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: <autogenerated>:126 +0xd0
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: bufio.(*Reader).fill(0xc82012a000)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/bufio/bufio.go:97 +0x1e9
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: bufio.(*Reader).Peek(0xc82012a000, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/bufio/bufio.go:132 +0xcc
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net/http.(*persistConn).readLoop(0xc8200d6fd0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:876 +0xf7
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by net/http.(*Transport).dialConn
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:685 +0xc78
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 19 [select]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net/http.(*persistConn).writeLoop(0xc8200d6fd0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:1009 +0x40c
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by net/http.(*Transport).dialConn
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:686 +0xc9d
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 9 [select]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/publisher.(*messageWorker).run(0xc820065a00)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/publisher/worker.go:61 +0x449
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/libbeat/publisher.(*messageWorker).init
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/publisher/worker.go:55 +0x11e
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 10 [select]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/publisher.(*bulkWorker).run(0xc8201200e0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/publisher/bulk.go:58 +0x371
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/libbeat/publisher.newBulkWorker
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/publisher/bulk.go:42 +0x222
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 11 [select, locked to thread]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: runtime.gopark(0xa19ae0, 0xc820029f28, 0x93ee08, 0x6, 0x18, 0x2)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/proc.go:185 +0x163
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: runtime.selectgoImpl(0xc820029f28, 0x0, 0x18)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/select.go:392 +0xa64
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: runtime.selectgo(0xc820029f28)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/select.go:212 +0x12
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: runtime.ensureSigM.func1()
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/signal1_unix.go:227 +0x353
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: runtime.goexit()
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/asm_amd64.s:1696 +0x1
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 12 [chan receive]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/service.HandleSignals.func1(0xc820183260, 0xc820186220, 0xc82016c9c0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/service/service.go:29 +0x3a
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/libbeat/service.HandleSignals
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/service/service.go:32 +0x1f8
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 14 [select]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/beat.(*Spooler).Run(0xc820063a40)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/beat/spooler.go:85 +0x7c2
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/beat.(*Filebeat).Run
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/beat/filebeat.go:90 +0x421
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 15 [sleep]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: time.Sleep(0x3b9aca00)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/time.go:59 +0xf9
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).stdinRun(0xc8200a6380, 0xc820183560)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:230 +0x27c
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).Run(0xc8200a6380, 0xc820183560)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:146 +0x1c1
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/crawler.(*Crawler).Start
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/crawler.go:52 +0x47c
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 16 [runnable]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).logRun(0xc8200a6540, 0xc820183560)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:172 +0x2d1
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).Run(0xc8200a6540, 0xc820183560)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:149 +0x169
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/crawler.(*Crawler).Start
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/crawler.go:52 +0x47c
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 34 [sleep]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: time.Sleep(0x2540be400)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/time.go:59 +0xf9
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).logRun(0xc8200a6700, 0xc820183560)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:184 +0x400
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).Run(0xc8200a6700, 0xc820183560)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:149 +0x169
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/crawler.(*Crawler).Start
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/crawler.go:52 +0x47c
    Jun 10 14:32:58 ip-10-1-23-51 systemd: filebeat.service holdoff time over, scheduling restart.
    Jun 10 14:32:58 ip-10-1-23-51 systemd: Started filebeat.
    Jun 10 14:32:58 ip-10-1-23-51 systemd: Starting filebeat...
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: panic: runtime error: invalid memory address or nil pointer dereference
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: [signal 0xb code=0x1 addr=0x10 pc=0x54edc4]
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 43 [running]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/harvester.(*Harvester).Harvest.func1(0xc82017b400)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/harvester/log.go:91 +0x54
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/harvester.(*Harvester).Harvest(0xc82017b400)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/harvester/log.go:158 +0xa84
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/harvester.(*Harvester).Start
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/harvester/harvester.go:82 +0x35
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 1 [runnable]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Crawler).Start(0xc8200b1cc0, 0xc8201ce000, 0x3, 0x3, 0xc820181860)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/crawler.go:60 +0x5eb
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/beat.(*Filebeat).Run(0xc8201144e0, 0xc820110a00, 0x0, 0x0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/beat/filebeat.go:92 +0x462
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/beat.(*Beat).Run(0xc820110a00)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/beat/beat.go:176 +0x31c
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/beat.Run(0x94be90, 0x8, 0x936eb8, 0x5, 0x7fe88d8bd580, 0xc8201144e0, 0xc82010ca50)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/beat/beat.go:86 +0x25b
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: main.main()
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/main.go:21 +0x9d
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 17 [syscall, locked to thread]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: runtime.goexit()
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/asm_amd64.s:1696 +0x1
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 5 [syscall]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: os/signal.loop()
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/os/signal/signal_unix.go:22 +0x18
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by os/signal.init.1
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/os/signal/signal_unix.go:28 +0x37
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 34 [select]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/publisher.(*messageWorker).run(0xc82017e000)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/publisher/worker.go:61 +0x449
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/libbeat/publisher.(*messageWorker).init
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/publisher/worker.go:55 +0x11e
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 7 [IO wait]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net.runtime_pollWait(0x7fe88d8be078, 0x72, 0xc82000e120)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/netpoll.go:157 +0x60
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net.(*pollDesc).Wait(0xc82011d3a0, 0x72, 0x0, 0x0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/fd_poll_runtime.go:73 +0x3a
    Jun 10 14:32:58 ip-10-1-23-51 systemd: filebeat.service: main process exited, code=exited, status=2/INVALIDARGUMENT
    Jun 10 14:32:58 ip-10-1-23-51 systemd: Unit filebeat.service entered failed state.
    Jun 10 14:32:58 ip-10-1-23-51 systemd: filebeat.service failed.
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net.(*pollDesc).WaitRead(0xc82011d3a0, 0x0, 0x0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/fd_poll_runtime.go:78 +0x36
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net.(*netFD).Read(0xc82011d340, 0xc82015c000, 0x1000, 0x1000, 0x0, 0x7fe890708050, 0xc82000e120)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/fd_unix.go:232 +0x23a
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net.(*conn).Read(0xc82002a058, 0xc82015c000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/net.go:172 +0xe4
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net/http.noteEOFReader.Read(0x7fe89070c978, 0xc82002a058, 0xc8201401b8, 0xc82015c000, 0x1000, 0x1000, 0x36300000000, 0x0, 0x0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:1370 +0x67
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net/http.(*noteEOFReader).Read(0xc82000c940, 0xc82015c000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: <autogenerated>:126 +0xd0
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: bufio.(*Reader).fill(0xc8200142a0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/bufio/bufio.go:97 +0x1e9
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: bufio.(*Reader).Peek(0xc8200142a0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/bufio/bufio.go:132 +0xcc
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net/http.(*persistConn).readLoop(0xc820140160)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:876 +0xf7
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by net/http.(*Transport).dialConn
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:685 +0xc78
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 8 [select]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: net/http.(*persistConn).writeLoop(0xc820140160)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:1009 +0x40c
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by net/http.(*Transport).dialConn
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/net/http/transport.go:686 +0xc9d
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 35 [select]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/publisher.(*bulkWorker).run(0xc8201b8000)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/publisher/bulk.go:58 +0x371
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/libbeat/publisher.newBulkWorker
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/publisher/bulk.go:42 +0x222
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 36 [select, locked to thread]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: runtime.gopark(0xa19ae0, 0xc8201bef28, 0x93ee08, 0x6, 0x18, 0x2)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/proc.go:185 +0x163
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: runtime.selectgoImpl(0xc8201bef28, 0x0, 0x18)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/select.go:392 +0xa64
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: runtime.selectgo(0xc8201bef28)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/select.go:212 +0x12
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: runtime.ensureSigM.func1()
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/signal1_unix.go:227 +0x353
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: runtime.goexit()
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/asm_amd64.s:1696 +0x1
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 37 [chan receive]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/libbeat/service.HandleSignals.func1(0xc820181560, 0xc82016d0e0, 0xc820170f80)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/service/service.go:29 +0x3a
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/libbeat/service.HandleSignals
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/libbeat/service/service.go:32 +0x1f8
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 39 [select]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/beat.(*Spooler).Run(0xc820190410)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/beat/spooler.go:85 +0x7c2
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/beat.(*Filebeat).Run
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/beat/filebeat.go:90 +0x421
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 40 [sleep]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: time.Sleep(0x3b9aca00)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/time.go:59 +0xf9
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).stdinRun(0xc8201ec000, 0xc820181860)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:230 +0x27c
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).Run(0xc8201ec000, 0xc820181860)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:146 +0x1c1
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/crawler.(*Crawler).Start
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/crawler.go:52 +0x47c
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 41 [runnable]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: strings.IndexAny(0xc820190280, 0x42, 0x936bc8, 0x3, 0x1c)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/strings/strings.go:241 +0xc4
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: path/filepath.hasMeta(0xc820190280, 0x42, 0xc820190280)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/path/filepath/match.go:308 +0x40
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: path/filepath.Glob(0xc820190280, 0x49, 0x0, 0x0, 0x0, 0x0, 0x0)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/path/filepath/match.go:252 +0x232
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).scan(0xc8201ec1c0, 0xc820190280, 0x49, 0xc820181860)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:264 +0x184
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).logRun(0xc8201ec1c0, 0xc820181860)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:178 +0x398
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).Run(0xc8201ec1c0, 0xc820181860)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:149 +0x169
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/crawler.(*Crawler).Start
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/crawler.go:52 +0x47c
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: goroutine 42 [sleep]:
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: time.Sleep(0x2540be400)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /usr/local/go/src/runtime/time.go:59 +0xf9
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).logRun(0xc8201ec380, 0xc820181860)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:184 +0x400
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: github.com/elastic/beats/filebeat/crawler.(*Prospector).Run(0xc8201ec380, 0xc820181860)
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/prospector.go:149 +0x169
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: created by github.com/elastic/beats/filebeat/crawler.(*Crawler).Start
    Jun 10 14:32:58 ip-10-1-23-51 filebeat: /go/src/github.com/elastic/beats/filebeat/crawler/crawler.go:52 +0x47c
    Jun 10 14:32:58 ip-10-1-23-51 systemd: filebeat.service holdoff time over, scheduling restart.
    Jun 10 14:32:58 ip-10-1-23-51 systemd: start request repeated too quickly for filebeat.service
    Jun 10 14:32:58 ip-10-1-23-51 systemd: Failed to start filebeat.
    Jun 10 14:32:58 ip-10-1-23-51 systemd: Unit filebeat.service entered failed state.
    Jun 10 14:32:58 ip-10-1-23-51 systemd: filebeat.service failed.