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InterruptedException
[junit4] 2> 1954119 WARN (zkConnectionManagerCallback-3743-thread-1-EventThread) [ ] o.a.s.c.c.DefaultConnectionStrategy Reconnect to ZooKeeper failed
[junit4] 2> 1954119 INFO (zkConnectionManagerCallback-3743-thread-1-EventThread) [ ] o.a.s.c.c.ConnectionManager zkClient Connected:false
[junit4] 2> 1954120 INFO (zkConnectionManagerCallback-3743-thread-1-EventThread) [ ] o.a.s.c.c.ConnectionManager zkClient has connected
[junit4] 2> 1954120 INFO (zkConnectionManagerCallback-3743-thread-1-EventThread) [ ] o.a.s.c.c.ConnectionManager Connection with ZooKeeper reestablished.
[junit4] 2> 1954120 INFO (zkConnectionManagerCallback-3743-thread-1-EventThread) [ ] o.a.s.c.ZkController ZooKeeper session re-connected ... refreshing core states after session expiration.
[junit4] 2> 1954124 INFO (zkConnectionManagerCallback-3743-thread-1-EventThread) [ ] o.a.s.c.OverseerElectionContext I am going to be the leader dummy.host.com:8984_solr
[junit4] 2> 1954125 INFO (zkConnectionManagerCallback-3743-thread-1-EventThread) [ ] o.a.s.c.Overseer Overseer (id=72059255585243146-dummy.host.com:8984_solr-n_0000000005) starting
[junit4] 2> 1954125 INFO (TEST-TestLeaderElectionZkExpiry.testLeaderElectionWithZkExpiry-seed#[8A079EEBCEDACE64]) [n:dummy.host.com:8984_solr ] o.a.s.c.TestLeaderElectionZkExpiry Time=25363544718591 Overseer leader is = dummy.host.com:8984_solr
[junit4] 2> 1954129 INFO (TEST-TestLeaderElectionZkExpiry.testLeaderElectionWithZkExpiry-seed#[8A079EEBCEDACE64]) [n:dummy.host.com:8984_solr ] o.a.s.c.Overseer Overseer (id=72059255585243146-dummy.host.com:8984_solr-n_0000000005) closing
[junit4] 2> 1954129 INFO (zkConnectionManagerCallback-3743-thread-1-EventThread) [ ] o.a.s.c.ZkController Register node as live in ZooKeeper:/live_nodes/dummy.host.com:8984_solr
[junit4] 2> 1954130 INFO (OverseerStateUpdate-72059255585243146-dummy.host.com:8984_solr-n_0000000005) [ ] o.a.s.c.Overseer According to ZK I (id=72059255585243146-dummy.host.com:8984_solr-n_0000000005) am no longer a leader.
[junit4] 2> 1954130 DEBUG (OverseerStateUpdate-72059255585243146-dummy.host.com:8984_solr-n_0000000005) [ ] o.a.s.c.Overseer Starting to work on the main queue
[junit4] 2> 1954130 INFO (OverseerCollectionConfigSetProcessor-72059255585243146-dummy.host.com:8984_solr-n_0000000005) [ ] o.a.s.c.OverseerTaskProcessor According to ZK I (id=72059255585243146-dummy.host.com:8984_solr-n_0000000005) am no longer a leader.
[junit4] 2> 1954130 INFO (OverseerStateUpdate-72059255585243146-dummy.host.com:8984_solr-n_0000000005) [ ] o.a.s.c.Overseer Overseer Loop exiting : dummy.host.com:8984_solr
[junit4] 2> 1954130 ERROR (OverseerCollectionConfigSetProcessor-72059255585243146-dummy.host.com:8984_solr-n_0000000005) [ ] o.a.s.c.OverseerTaskProcessor Unable to prioritize overseer
[junit4] 2> java.lang.InterruptedException: null
[junit4] 2> at java.lang.Object.wait(Native Method) ~[?:1.8.0_112]
[junit4] 2> at java.lang.Object.wait(Object.java:502) ~[?:1.8.0_112]
[junit4] 2> at org.apache.zookeeper.ClientCnxn.submitRequest(ClientCnxn.java:1409) ~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
[junit4] 2> at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1100) ~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
[junit4] 2> at org.apache.solr.common.cloud.SolrZkClient.lambda$exists$3(SolrZkClient.java:316) ~[java/:?]
[junit4] 2> at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60) ~[java/:?]
[junit4] 2> at org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:316) ~[java/:?]
[junit4] 2> at org.apache.solr.cloud.OverseerNodePrioritizer.prioritizeOverseerNodes(OverseerNodePrioritizer.java:60) ~[java/:?]
[junit4] 2> at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:178) [java/:?]
[junit4] 2> at java.lang.Thread.run(Thread.java:745) [?:1.8.0_112]
[junit4] 2> 1954131 WARN (OverseerExitThread) [ ] o.a.s.c.Overseer I'm exiting, but I'm still the leader
[junit4] 2> 1954132 INFO (zkConnectionManagerCallback-3743-thread-1-EventThread) [ ] o.a.s.c.c.DefaultConnectionStrategy Reconnected to ZooKeeper
[junit4] 2> 1954132 INFO (zkConnectionManagerCallback-3743-thread-1-EventThread) [ ] o.a.s.c.c.ConnectionManager zkClient Connected:true
[junit4] 2> 1954132 INFO (zkCallback-3742-thread-6) [ ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
[junit4] 2> 1954132 INFO (OverseerExitThread) [ ] o.a.s.c.OverseerElectionContext I am going to be the leader dummy.host.com:8984_solr
[junit4] 2> 1954133 INFO (OverseerExitThread) [ ] o.a.s.c.Overseer Overseer (id=72059255585243146-dummy.host.com:8984_solr-n_0000000006) starting
[junit4] 2> 1954139 DEBUG (OverseerStateUpdate-72059255585243146-dummy.host.com:8984_solr-n_0000000006) [ ] o.a.s.c.Overseer Starting to work on the main queue
[junit4] 2> 1954139 ERROR (OverseerAutoScalingTriggerThread-72059255585243146-dummy.host.com:8984_solr-n_0000000006) [ ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
[junit4] 2> java.io.IOException: org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /autoscaling.json
[junit4] 2> at org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183) ~[java/:?]
[junit4] 2> at org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83) ~[java/:?]
[junit4] 2> at org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131) [java/:?]
[junit4] 2> at java.lang.Thread.run(Thread.java:745) [?:1.8.0_112]
[junit4] 2> Caused by: org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /autoscaling.json
[junit4] 2> at org.apache.zookeeper.KeeperException.create(KeeperException.java:130) ~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
[junit4] 2> at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
[junit4] 2> at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) ~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
[junit4] 2> at org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340) ~[java/:?]
[junit4] 2> at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60) ~[java/:?]
[junit4] 2> at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) ~[java/:?]
[junit4] 2> at org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176) ~[java/:?]
[junit4] 2> ... 3 more
[junit4] 2> 1954140 ERROR (OverseerAutoScalingTriggerThread-72059255585243146-dummy.host.com:8984_solr-n_0000000006) [ ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
[junit4] 2> java.io.IOException: org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /autoscaling.json
[junit4] 2> at org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183) ~[java/:?]
[junit4] 2> at org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83) ~[java/:?]
[junit4] 2> at org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131) [java/:?]
[junit4] 2> at java.lang.Thread.run(Thread.java:745) [?:1.8.0_112]
[junit4] 2> Caused by: org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /autoscaling.json
[junit4] 2> at org.apache.zookeeper.KeeperException.create(KeeperException.java:130) ~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
[junit4] 2> at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
[junit4] 2> at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) ~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
[junit4] 2> at org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340) ~[java/:?]
[junit4] 2> at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60) ~[java/:?]
[junit4] 2> at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) ~[java/:?]
[junit4] 2> at org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176) ~[java/:?]
[junit4] 2> ... 3 more
[junit4] 2> 1954140 ERROR (OverseerAutoScalingTriggerThread-72059255585243146-dummy.host.com:8984_solr-n_0000000006) [ ] o.a.s.c.a.OverseerTriggerThread A ZK error has occurred
[junit4] 2> java.io.IOException: org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /autoscaling.json
[junit4] 2> at org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:183) ~[java/:?]
[junit4] 2> at org.apache.solr.client.solrj.cloud.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:83) ~[java/:?]
[junit4] 2> at org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:131) [java/:?]
[junit4] 2> at java.lang.Thread.run(Thread.java:745) [?:1.8.0_112]
[junit4] 2> Caused by: org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /autoscaling.json
[junit4] 2> at org.apache.zookeeper.KeeperException.create(KeeperException.java:130) ~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
[junit4] 2> at org.apache.zookeeper.KeeperException.create(KeeperException.java:54) ~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
[junit4] 2> at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215) ~[zookeeper-3.4.11.jar:3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0]
[junit4] 2> at org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340) ~[java/:?]
[junit4] 2> at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60) ~[java/:?]
[junit4] 2> at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340) ~[java/:?]
[junit4] 2> at org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176) ~[java/:?]
[junit4] 2> ... 3 more
--- Thousands of "Session expired for /autoscaling.json" messages before I had to manually kill the test run
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