out_forestのエラー？

td-agent.conf

<source>
  type forward
</source>

<match service.**>
  type forest
  subtype file_alternative
  remove_prefix service
  <template>
    time_slice_format %Y%m%d_%H
    compress gz
    output_include_time false
    output_include_tag false
    output_data_type attr:message
    add_newline true
  </template>
  <case access.**>
    path /tmp/httpd/service/access.*.log
  </case>
  <case error.**>
    path /tmp/httpd/service/error.*.log
  </case>
</match>

td-agent.log

2012-08-20 12:10:06 +0900: starting fluentd-0.10.25
2012-08-20 12:10:06 +0900: reading config file path="/etc/td-agent/td-agent.conf"
2012-08-20 12:10:06 +0900: adding source type="forward"
2012-08-20 12:10:06 +0900: adding match pattern="service.**" type="forest"
2012-08-20 12:10:06 +0900: adding match pattern="slowfilter.**" type="copy"
2012-08-20 12:10:06 +0900: listening fluent socket on 0.0.0.0:24224
2012-08-20 12:10:06 +0900: out_forest plants new output: file_alternative for tag 'error.host01'
2012-08-20 12:10:10 +0900: out_forest plants new output: file_alternative for tag 'access.host02'
2012-08-20 12:10:11 +0900: out_forest plants new output: file_alternative for tag 'access.host03'
2012-08-20 12:10:11 +0900: out_forest plants new output: file_alternative for tag 'access.host01'
2012-08-20 12:17:12 +0900: emit transaction failed  error="No such file or directory - (/tmp/httpd/service/access.20120820_12.b4c7a9d8fedb3bcea.log, /tmp/httpd/service/access.20120820_12.q4c7a9f2215a04b32.log)"
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/buf_file.rb:69:in `rename'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/buf_file.rb:69:in `mv'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/buf_file.rb:155:in `enqueue'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/buffer.rb:199:in `block (2 levels) in emit'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/buffer.rb:198:in `block in emit'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/buffer.rb:166:in `emit'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/output.rb:516:in `block in emit'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/event.rb:127:in `feed_each'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/event.rb:127:in `each'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/output.rb:506:in `emit'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluent-plugin-forest-0.1.0/lib/fluent/plugin/out_forest.rb:115:in `emit'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/match.rb:38:in `emit'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/engine.rb:109:in `emit_stream'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/in_forward.rb:110:in `on_message'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/in_forward.rb:172:in `feed_each'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/in_forward.rb:172:in `on_read_msgpack'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/cool.io-1.1.0/lib/cool.io/io.rb:108:in `on_readable'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/cool.io-1.1.0/lib/cool.io/io.rb:170:in `on_readable'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/cool.io-1.1.0/lib/cool.io/loop.rb:96:in `run_once'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/cool.io-1.1.0/lib/cool.io/loop.rb:96:in `run'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/in_forward.rb:75:in `run'
2012-08-20 12:17:12 +0900: forward error: No such file or directory - (/tmp/httpd/service/access.20120820_12.b4c7a9d8fedb3bcea.log, /tmp/httpd/service/access.20120820_12.q4c7a9f2215a04b32.log)
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/buf_file.rb:69:in `rename'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/buf_file.rb:69:in `mv'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/buf_file.rb:155:in `enqueue'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/buffer.rb:199:in `block (2 levels) in emit'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/buffer.rb:198:in `block in emit'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/buffer.rb:166:in `emit'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/output.rb:516:in `block in emit'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/event.rb:127:in `feed_each'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/event.rb:127:in `each'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/output.rb:506:in `emit'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluent-plugin-forest-0.1.0/lib/fluent/plugin/out_forest.rb:115:in `emit'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/match.rb:38:in `emit'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/engine.rb:109:in `emit_stream'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/in_forward.rb:110:in `on_message'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/in_forward.rb:172:in `feed_each'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/in_forward.rb:172:in `on_read_msgpack'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/cool.io-1.1.0/lib/cool.io/io.rb:108:in `on_readable'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/cool.io-1.1.0/lib/cool.io/io.rb:170:in `on_readable'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/cool.io-1.1.0/lib/cool.io/loop.rb:96:in `run_once'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/cool.io-1.1.0/lib/cool.io/loop.rb:96:in `run'
  2012-08-20 12:17:12 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/in_forward.rb:75:in `run'
2012-08-20 12:17:14 +0900: emit transaction failed  error="No such file or directory - (/tmp/httpd/service/access.20120820_12.b4c7a9d8fedb3bcea.log, /tmp/httpd/service/access.20120820_12.q4c7a9f2386c1def5.log)"
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/buf_file.rb:69:in `rename'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/buf_file.rb:69:in `mv'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/buf_file.rb:155:in `enqueue'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/buffer.rb:199:in `block (2 levels) in emit'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/buffer.rb:198:in `block in emit'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/buffer.rb:166:in `emit'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/output.rb:516:in `block in emit'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/event.rb:127:in `feed_each'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/event.rb:127:in `each'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/output.rb:506:in `emit'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluent-plugin-forest-0.1.0/lib/fluent/plugin/out_forest.rb:115:in `emit'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/match.rb:38:in `emit'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/engine.rb:109:in `emit_stream'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/in_forward.rb:110:in `on_message'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/in_forward.rb:172:in `feed_each'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/in_forward.rb:172:in `on_read_msgpack'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/cool.io-1.1.0/lib/cool.io/io.rb:108:in `on_readable'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/cool.io-1.1.0/lib/cool.io/io.rb:170:in `on_readable'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/cool.io-1.1.0/lib/cool.io/loop.rb:96:in `run_once'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/cool.io-1.1.0/lib/cool.io/loop.rb:96:in `run'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/in_forward.rb:75:in `run'
2012-08-20 12:17:14 +0900: forward error: No such file or directory - (/tmp/httpd/service/access.20120820_12.b4c7a9d8fedb3bcea.log, /tmp/httpd/service/access.20120820_12.q4c7a9f2386c1def5.log)
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/buf_file.rb:69:in `rename'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/buf_file.rb:69:in `mv'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/buf_file.rb:155:in `enqueue'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/buffer.rb:199:in `block (2 levels) in emit'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/buffer.rb:198:in `block in emit'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/buffer.rb:166:in `emit'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/output.rb:516:in `block in emit'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/event.rb:127:in `feed_each'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/event.rb:127:in `each'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/output.rb:506:in `emit'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluent-plugin-forest-0.1.0/lib/fluent/plugin/out_forest.rb:115:in `emit'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/match.rb:38:in `emit'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/engine.rb:109:in `emit_stream'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/in_forward.rb:110:in `on_message'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/in_forward.rb:172:in `feed_each'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/in_forward.rb:172:in `on_read_msgpack'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/cool.io-1.1.0/lib/cool.io/io.rb:108:in `on_readable'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/cool.io-1.1.0/lib/cool.io/io.rb:170:in `on_readable'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/cool.io-1.1.0/lib/cool.io/loop.rb:96:in `run_once'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/cool.io-1.1.0/lib/cool.io/loop.rb:96:in `run'
  2012-08-20 12:17:14 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/in_forward.rb:75:in `run'
2012-08-20 12:17:15 +0900: emit transaction failed  error="No such file or directory - (/tmp/httpd/service/access.20120820_12.b4c7a9d8fedb3bcea.log, /tmp/httpd/service/access.20120820_12.q4c7a9f247cdd9159.log)"
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/buf_file.rb:69:in `rename'
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/buf_file.rb:69:in `mv'
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/buf_file.rb:155:in `enqueue'
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/buffer.rb:199:in `block (2 levels) in emit'
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/buffer.rb:198:in `block in emit'
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/buffer.rb:166:in `emit'
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/output.rb:516:in `block in emit'
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/event.rb:127:in `feed_each'
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/event.rb:127:in `each'
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/output.rb:506:in `emit'
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluent-plugin-forest-0.1.0/lib/fluent/plugin/out_forest.rb:115:in `emit'
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/match.rb:38:in `emit'
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/engine.rb:109:in `emit_stream'
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/in_forward.rb:110:in `on_message'
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/in_forward.rb:172:in `feed_each'
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/in_forward.rb:172:in `on_read_msgpack'
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/cool.io-1.1.0/lib/cool.io/io.rb:108:in `on_readable'
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/cool.io-1.1.0/lib/cool.io/io.rb:170:in `on_readable'
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/cool.io-1.1.0/lib/cool.io/loop.rb:96:in `run_once'
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/cool.io-1.1.0/lib/cool.io/loop.rb:96:in `run'
  2012-08-20 12:17:15 +0900: /usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/fluentd-0.10.25/lib/fluent/plugin/in_forward.rb:75:in `run'

version

fluent-plugin-file-alternative (0.1.2)
fluent-plugin-forest (0.1.0)

td-agent-1.1.8-0

ファイル増えちゃうこともある？

13時台になったらファイルが増えた。
該当のLOGは3ホストから受信してます。

-rw-rw-rw- 1 td-agent td-agent 30824688 Aug 20 12:57 access.20120820_12.log
-rw-rw-rw- 1 td-agent td-agent   111709 Aug 20 12:59 error.20120820_12.b4c7aa4a636ea546f.log
-rw-rw-rw- 1 td-agent td-agent  2696514 Aug 20 12:59 access.20120820_12.b4c7aa819c350ceec.log
-rw-rw-rw- 1 td-agent td-agent     5001 Aug 20 13:04 error.20120820_13.b4c7aa8bae93da00b.log
-rw-rw-rw- 1 td-agent td-agent  3054839 Aug 20 13:04 access.20120820_13.b4c7aa8b3bc4f603e.log
-rw-rw-rw- 1 td-agent td-agent  3048574 Aug 20 13:04 access.20120820_13.b4c7aa8b368b59743.log
-rw-rw-rw- 1 td-agent td-agent  3058537 Aug 20 13:04 access.20120820_13.b4c7aa8b3659bd571.log

前のファイルがgz圧縮されて書き出し先が変わった直後からエラーが延々出続けてしまう感じです。
compress gzを使わなければ問題ないような気がしますが・・・？