org.apache.curator.CuratorConnectionLossException: KeeperErrorCode = ConnectionLoss

Spring JIRA | GERVAIS Mickaël | 1 year ago
  1. 0

    XD container loose connection with Zookeeper. I'm in a distributed environnement: - 3 XD container nodes (1.2.1) - 1 XD admin - 3 Zookeeper - 3 RabbitMQ - 3 Redis/Sentinel Logs: *zookeeper.log* {noformat} 2015-11-25 06:53:07,235 [myid:3] - INFO [QuorumPeer[myid=3]/0:0:0:0:0:0:0:0:2181:ZooKeeperServer@617] - Established session 0x251250651910006 with negotiated timeout 40000 for client /172.20.1.9:58070 2015-11-25 06:54:08,525 [myid:3] - WARN [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@357] - caught end of stream exception EndOfStreamException: Unable to read additional data from client sessionid 0x251250651910006, likely client has closed socket at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:228) at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:208) at java.lang.Thread.run(Thread.java:745) 2015-11-25 06:54:08,621 [myid:3] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1007] - Closed socket connection for client /172.20.1.9:58070 which had sessionid 0x251250651910006 {noformat} *container.log* {noformat} 2015-11-25T06:53:37+0100 1.2.1.RELEASE ERROR main-EventThread curator.ConnectionState - Connection timed out for connection string (172.20.1.1:2181,172.20.1.8:2181,172.20.1.9:2181) and timeout (30000) / elapsed (34187) org.apache.curator.CuratorConnectionLossException: KeeperErrorCode = ConnectionLoss at org.apache.curator.ConnectionState.checkTimeouts(ConnectionState.java:198) [curator-client-2.6.0.jar:na] at org.apache.curator.ConnectionState.getZooKeeper(ConnectionState.java:88) [curator-client-2.6.0.jar:na] at org.apache.curator.CuratorZookeeperClient.getZooKeeper(CuratorZookeeperClient.java:115) [curator-client-2.6.0.jar:na] at org.apache.curator.framework.imps.CuratorFrameworkImpl.getZooKeeper(CuratorFrameworkImpl.java:474) [curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.GetDataBuilderImpl$4.call(GetDataBuilderImpl.java:302) [curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.GetDataBuilderImpl$4.call(GetDataBuilderImpl.java:291) [curator-framework-2.6.0.jar:na] at org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:107) [curator-client-2.6.0.jar:na] at org.apache.curator.framework.imps.GetDataBuilderImpl.pathInForeground(GetDataBuilderImpl.java:287) [curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.GetDataBuilderImpl.forPath(GetDataBuilderImpl.java:279) [curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.GetDataBuilderImpl.forPath(GetDataBuilderImpl.java:41) [curator-framework-2.6.0.jar:na] at org.springframework.xd.dirt.server.container.DeploymentListener$StreamModuleWatcher.process(DeploymentListener.java:596) [spring-xd-dirt-1.2.1.RELEASE.jar:1.2.1.RELEASE] at org.apache.curator.framework.imps.NamespaceWatcher.process(NamespaceWatcher.java:67) [curator-framework-2.6.0.jar:na] at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:522) [zookeeper-3.4.6.jar:3.4.6-1569965] at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:498) [zookeeper-3.4.6.jar:3.4.6-1569965] 2015-11-25T06:53:37+0100 1.2.1.RELEASE ERROR CuratorFramework-0 curator.ConnectionState - Connection timed out for connection string (172.20.1.1:2181,172.20.1.8:2181,172.20.1.9:2181) and timeout (30000) / elapsed (34189) org.apache.curator.CuratorConnectionLossException: KeeperErrorCode = ConnectionLoss at org.apache.curator.ConnectionState.checkTimeouts(ConnectionState.java:198) [curator-client-2.6.0.jar:na] at org.apache.curator.ConnectionState.getZooKeeper(ConnectionState.java:88) [curator-client-2.6.0.jar:na] at org.apache.curator.CuratorZookeeperClient.getZooKeeper(CuratorZookeeperClient.java:115) [curator-client-2.6.0.jar:na] at org.apache.curator.framework.imps.CuratorFrameworkImpl.performBackgroundOperation(CuratorFrameworkImpl.java:793) [curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.CuratorFrameworkImpl.backgroundOperationsLoop(CuratorFrameworkImpl.java:779) [curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.CuratorFrameworkImpl.access$400(CuratorFrameworkImpl.java:58) [curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.CuratorFrameworkImpl$4.call(CuratorFrameworkImpl.java:265) [curator-framework-2.6.0.jar:na] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_60] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_60] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_60] at java.lang.Thread.run(Thread.java:745) [na:1.8.0_60] 2015-11-25T06:53:39+0100 1.2.1.RELEASE ERROR CuratorFramework-0 curator.ConnectionState - Connection timed out for connection string (172.20.1.1:2181,172.20.1.8:2181,172.20.1.9:2181) and timeout (30000) / elapsed (36191) org.apache.curator.CuratorConnectionLossException: KeeperErrorCode = ConnectionLoss at org.apache.curator.ConnectionState.checkTimeouts(ConnectionState.java:198) [curator-client-2.6.0.jar:na] at org.apache.curator.ConnectionState.getZooKeeper(ConnectionState.java:88) [curator-client-2.6.0.jar:na] at org.apache.curator.CuratorZookeeperClient.getZooKeeper(CuratorZookeeperClient.java:115) [curator-client-2.6.0.jar:na] at org.apache.curator.framework.imps.CuratorFrameworkImpl.performBackgroundOperation(CuratorFrameworkImpl.java:793) [curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.CuratorFrameworkImpl.backgroundOperationsLoop(CuratorFrameworkImpl.java:779) [curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.CuratorFrameworkImpl.access$400(CuratorFrameworkImpl.java:58) [curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.CuratorFrameworkImpl$4.call(CuratorFrameworkImpl.java:265) [curator-framework-2.6.0.jar:na] [...] 2015-11-25T06:54:34+0100 1.2.1.RELEASE INFO ConnectionStateManager-0 container.ContainerRegistrar - Waiting for supervisor to clean up prior deployments (elapsed time 26 seconds)... 2015-11-25T06:55:05+0100 1.2.1.RELEASE INFO ConnectionStateManager-0 container.ContainerRegistrar - Waiting for supervisor to clean up prior deployments (elapsed time 57 seconds)... 2015-11-25T06:56:05+0100 1.2.1.RELEASE INFO ConnectionStateManager-0 container.ContainerRegistrar - Waiting for supervisor to clean up prior deployments (elapsed time 117 seconds)... 2015-11-25T06:57:05+0100 1.2.1.RELEASE INFO ConnectionStateManager-0 container.ContainerRegistrar - Waiting for supervisor to clean up prior deployments (elapsed time 177 seconds)... {noformat} *admin.log* {noformat} 2015-11-25T06:54:23+0100 1.2.1.RELEASE ERROR DeploymentSupervisor-0 cache.PathChildrenCache - org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode for /xd/deployments/modules/allocated/b1de9530-1837-42c0-a6bc-840b1b15aefc/JOB_TRIGGER.source.trigger.1 at org.apache.zookeeper.KeeperException.create(KeeperException.java:111) ~[zookeeper-3.4.6.jar:3.4.6-1569965] at org.apache.zookeeper.KeeperException.create(KeeperException.java:51) ~[zookeeper-3.4.6.jar:3.4.6-1569965] at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1155) ~[zookeeper-3.4.6.jar:3.4.6-1569965] at org.apache.curator.framework.imps.GetDataBuilderImpl$4.call(GetDataBuilderImpl.java:302) ~[curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.GetDataBuilderImpl$4.call(GetDataBuilderImpl.java:291) ~[curator-framework-2.6.0.jar:na] at org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:107) ~[curator-client-2.6.0.jar:na] at org.apache.curator.framework.imps.GetDataBuilderImpl.pathInForeground(GetDataBuilderImpl.java:287) ~[curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.GetDataBuilderImpl.forPath(GetDataBuilderImpl.java:279) ~[curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.GetDataBuilderImpl.forPath(GetDataBuilderImpl.java:41) ~[curator-framework-2.6.0.jar:na] at org.springframework.xd.dirt.server.admin.deployment.zk.DepartingContainerModuleRedeployer.deployModules(DepartingContainerModuleRedeployer.java:116) ~[spring-xd-dirt-1.2.1.RELEASE.jar:1.2.1.RELEASE] at org.springframework.xd.dirt.server.admin.deployment.zk.ContainerListener.childEvent(ContainerListener.java:140) ~[spring-xd-dirt-1.2.1.RELEASE.jar:1.2.1.RELEASE] at org.apache.curator.framework.recipes.cache.PathChildrenCache$5.apply(PathChildrenCache.java:509) [curator-recipes-2.6.0.jar:na] at org.apache.curator.framework.recipes.cache.PathChildrenCache$5.apply(PathChildrenCache.java:503) [curator-recipes-2.6.0.jar:na] at org.apache.curator.framework.listen.ListenerContainer$1.run(ListenerContainer.java:92) [curator-framework-2.6.0.jar:na] at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:297) [guava-16.0.1.jar:na] at org.apache.curator.framework.listen.ListenerContainer.forEach(ListenerContainer.java:83) [curator-framework-2.6.0.jar:na] at org.apache.curator.framework.recipes.cache.PathChildrenCache.callListeners(PathChildrenCache.java:500) [curator-recipes-2.6.0.jar:na] at org.apache.curator.framework.recipes.cache.EventOperation.invoke(EventOperation.java:35) [curator-recipes-2.6.0.jar:na] at org.apache.curator.framework.recipes.cache.PathChildrenCache$10.run(PathChildrenCache.java:762) [curator-recipes-2.6.0.jar:na] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_60] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_60] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_60] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_60] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_60] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_60] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [na:1.8.0_60] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [na:1.8.0_60] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_60] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_60] at java.lang.Thread.run(Thread.java:745) [na:1.8.0_60] {noformat} If a module is deployed on the node which has lost the connection, it's not redeployed on one of the two others. The only difference between node, is that the node in error has less memory. When this occurs, node doesn't appear anymore on the admin ui. And deployed streams do not appear as incomplete, but they should if a node has disappear and deployment property _module.*.count_ is set to the number of nodes. Thanks. Mickaël

    Spring JIRA | 1 year ago | GERVAIS Mickaël
    org.apache.curator.CuratorConnectionLossException: KeeperErrorCode = ConnectionLoss
  2. 0

    XD container loose connection with Zookeeper. I'm in a distributed environnement: - 3 XD container nodes (1.2.1) - 1 XD admin - 3 Zookeeper - 3 RabbitMQ - 3 Redis/Sentinel Logs: *zookeeper.log* {noformat} 2015-11-25 06:53:07,235 [myid:3] - INFO [QuorumPeer[myid=3]/0:0:0:0:0:0:0:0:2181:ZooKeeperServer@617] - Established session 0x251250651910006 with negotiated timeout 40000 for client /172.20.1.9:58070 2015-11-25 06:54:08,525 [myid:3] - WARN [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@357] - caught end of stream exception EndOfStreamException: Unable to read additional data from client sessionid 0x251250651910006, likely client has closed socket at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:228) at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:208) at java.lang.Thread.run(Thread.java:745) 2015-11-25 06:54:08,621 [myid:3] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1007] - Closed socket connection for client /172.20.1.9:58070 which had sessionid 0x251250651910006 {noformat} *container.log* {noformat} 2015-11-25T06:53:37+0100 1.2.1.RELEASE ERROR main-EventThread curator.ConnectionState - Connection timed out for connection string (172.20.1.1:2181,172.20.1.8:2181,172.20.1.9:2181) and timeout (30000) / elapsed (34187) org.apache.curator.CuratorConnectionLossException: KeeperErrorCode = ConnectionLoss at org.apache.curator.ConnectionState.checkTimeouts(ConnectionState.java:198) [curator-client-2.6.0.jar:na] at org.apache.curator.ConnectionState.getZooKeeper(ConnectionState.java:88) [curator-client-2.6.0.jar:na] at org.apache.curator.CuratorZookeeperClient.getZooKeeper(CuratorZookeeperClient.java:115) [curator-client-2.6.0.jar:na] at org.apache.curator.framework.imps.CuratorFrameworkImpl.getZooKeeper(CuratorFrameworkImpl.java:474) [curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.GetDataBuilderImpl$4.call(GetDataBuilderImpl.java:302) [curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.GetDataBuilderImpl$4.call(GetDataBuilderImpl.java:291) [curator-framework-2.6.0.jar:na] at org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:107) [curator-client-2.6.0.jar:na] at org.apache.curator.framework.imps.GetDataBuilderImpl.pathInForeground(GetDataBuilderImpl.java:287) [curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.GetDataBuilderImpl.forPath(GetDataBuilderImpl.java:279) [curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.GetDataBuilderImpl.forPath(GetDataBuilderImpl.java:41) [curator-framework-2.6.0.jar:na] at org.springframework.xd.dirt.server.container.DeploymentListener$StreamModuleWatcher.process(DeploymentListener.java:596) [spring-xd-dirt-1.2.1.RELEASE.jar:1.2.1.RELEASE] at org.apache.curator.framework.imps.NamespaceWatcher.process(NamespaceWatcher.java:67) [curator-framework-2.6.0.jar:na] at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:522) [zookeeper-3.4.6.jar:3.4.6-1569965] at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:498) [zookeeper-3.4.6.jar:3.4.6-1569965] 2015-11-25T06:53:37+0100 1.2.1.RELEASE ERROR CuratorFramework-0 curator.ConnectionState - Connection timed out for connection string (172.20.1.1:2181,172.20.1.8:2181,172.20.1.9:2181) and timeout (30000) / elapsed (34189) org.apache.curator.CuratorConnectionLossException: KeeperErrorCode = ConnectionLoss at org.apache.curator.ConnectionState.checkTimeouts(ConnectionState.java:198) [curator-client-2.6.0.jar:na] at org.apache.curator.ConnectionState.getZooKeeper(ConnectionState.java:88) [curator-client-2.6.0.jar:na] at org.apache.curator.CuratorZookeeperClient.getZooKeeper(CuratorZookeeperClient.java:115) [curator-client-2.6.0.jar:na] at org.apache.curator.framework.imps.CuratorFrameworkImpl.performBackgroundOperation(CuratorFrameworkImpl.java:793) [curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.CuratorFrameworkImpl.backgroundOperationsLoop(CuratorFrameworkImpl.java:779) [curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.CuratorFrameworkImpl.access$400(CuratorFrameworkImpl.java:58) [curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.CuratorFrameworkImpl$4.call(CuratorFrameworkImpl.java:265) [curator-framework-2.6.0.jar:na] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_60] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_60] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_60] at java.lang.Thread.run(Thread.java:745) [na:1.8.0_60] 2015-11-25T06:53:39+0100 1.2.1.RELEASE ERROR CuratorFramework-0 curator.ConnectionState - Connection timed out for connection string (172.20.1.1:2181,172.20.1.8:2181,172.20.1.9:2181) and timeout (30000) / elapsed (36191) org.apache.curator.CuratorConnectionLossException: KeeperErrorCode = ConnectionLoss at org.apache.curator.ConnectionState.checkTimeouts(ConnectionState.java:198) [curator-client-2.6.0.jar:na] at org.apache.curator.ConnectionState.getZooKeeper(ConnectionState.java:88) [curator-client-2.6.0.jar:na] at org.apache.curator.CuratorZookeeperClient.getZooKeeper(CuratorZookeeperClient.java:115) [curator-client-2.6.0.jar:na] at org.apache.curator.framework.imps.CuratorFrameworkImpl.performBackgroundOperation(CuratorFrameworkImpl.java:793) [curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.CuratorFrameworkImpl.backgroundOperationsLoop(CuratorFrameworkImpl.java:779) [curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.CuratorFrameworkImpl.access$400(CuratorFrameworkImpl.java:58) [curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.CuratorFrameworkImpl$4.call(CuratorFrameworkImpl.java:265) [curator-framework-2.6.0.jar:na] [...] 2015-11-25T06:54:34+0100 1.2.1.RELEASE INFO ConnectionStateManager-0 container.ContainerRegistrar - Waiting for supervisor to clean up prior deployments (elapsed time 26 seconds)... 2015-11-25T06:55:05+0100 1.2.1.RELEASE INFO ConnectionStateManager-0 container.ContainerRegistrar - Waiting for supervisor to clean up prior deployments (elapsed time 57 seconds)... 2015-11-25T06:56:05+0100 1.2.1.RELEASE INFO ConnectionStateManager-0 container.ContainerRegistrar - Waiting for supervisor to clean up prior deployments (elapsed time 117 seconds)... 2015-11-25T06:57:05+0100 1.2.1.RELEASE INFO ConnectionStateManager-0 container.ContainerRegistrar - Waiting for supervisor to clean up prior deployments (elapsed time 177 seconds)... {noformat} *admin.log* {noformat} 2015-11-25T06:54:23+0100 1.2.1.RELEASE ERROR DeploymentSupervisor-0 cache.PathChildrenCache - org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode for /xd/deployments/modules/allocated/b1de9530-1837-42c0-a6bc-840b1b15aefc/JOB_TRIGGER.source.trigger.1 at org.apache.zookeeper.KeeperException.create(KeeperException.java:111) ~[zookeeper-3.4.6.jar:3.4.6-1569965] at org.apache.zookeeper.KeeperException.create(KeeperException.java:51) ~[zookeeper-3.4.6.jar:3.4.6-1569965] at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1155) ~[zookeeper-3.4.6.jar:3.4.6-1569965] at org.apache.curator.framework.imps.GetDataBuilderImpl$4.call(GetDataBuilderImpl.java:302) ~[curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.GetDataBuilderImpl$4.call(GetDataBuilderImpl.java:291) ~[curator-framework-2.6.0.jar:na] at org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:107) ~[curator-client-2.6.0.jar:na] at org.apache.curator.framework.imps.GetDataBuilderImpl.pathInForeground(GetDataBuilderImpl.java:287) ~[curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.GetDataBuilderImpl.forPath(GetDataBuilderImpl.java:279) ~[curator-framework-2.6.0.jar:na] at org.apache.curator.framework.imps.GetDataBuilderImpl.forPath(GetDataBuilderImpl.java:41) ~[curator-framework-2.6.0.jar:na] at org.springframework.xd.dirt.server.admin.deployment.zk.DepartingContainerModuleRedeployer.deployModules(DepartingContainerModuleRedeployer.java:116) ~[spring-xd-dirt-1.2.1.RELEASE.jar:1.2.1.RELEASE] at org.springframework.xd.dirt.server.admin.deployment.zk.ContainerListener.childEvent(ContainerListener.java:140) ~[spring-xd-dirt-1.2.1.RELEASE.jar:1.2.1.RELEASE] at org.apache.curator.framework.recipes.cache.PathChildrenCache$5.apply(PathChildrenCache.java:509) [curator-recipes-2.6.0.jar:na] at org.apache.curator.framework.recipes.cache.PathChildrenCache$5.apply(PathChildrenCache.java:503) [curator-recipes-2.6.0.jar:na] at org.apache.curator.framework.listen.ListenerContainer$1.run(ListenerContainer.java:92) [curator-framework-2.6.0.jar:na] at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:297) [guava-16.0.1.jar:na] at org.apache.curator.framework.listen.ListenerContainer.forEach(ListenerContainer.java:83) [curator-framework-2.6.0.jar:na] at org.apache.curator.framework.recipes.cache.PathChildrenCache.callListeners(PathChildrenCache.java:500) [curator-recipes-2.6.0.jar:na] at org.apache.curator.framework.recipes.cache.EventOperation.invoke(EventOperation.java:35) [curator-recipes-2.6.0.jar:na] at org.apache.curator.framework.recipes.cache.PathChildrenCache$10.run(PathChildrenCache.java:762) [curator-recipes-2.6.0.jar:na] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_60] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_60] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_60] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_60] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_60] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_60] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [na:1.8.0_60] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [na:1.8.0_60] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_60] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_60] at java.lang.Thread.run(Thread.java:745) [na:1.8.0_60] {noformat} If a module is deployed on the node which has lost the connection, it's not redeployed on one of the two others. The only difference between node, is that the node in error has less memory. When this occurs, node doesn't appear anymore on the admin ui. And deployed streams do not appear as incomplete, but they should if a node has disappear and deployment property _module.*.count_ is set to the number of nodes. Thanks. Mickaël

    Spring JIRA | 1 year ago | GERVAIS Mickaël
    org.apache.curator.CuratorConnectionLossException: KeeperErrorCode = ConnectionLoss
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    org.apache.curator.CuratorConnectionLossException: KeeperErrorCode = ConnectionLoss
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    org.apache.curator.CuratorConnectionLossException: KeeperErrorCode = ConnectionLoss

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Root Cause Analysis

  1. org.apache.curator.CuratorConnectionLossException

    KeeperErrorCode = ConnectionLoss

    at org.apache.curator.ConnectionState.checkTimeouts()
  2. Fabric8
    CuratorZookeeperClient.getZooKeeper
    1. org.apache.curator.ConnectionState.checkTimeouts(ConnectionState.java:198)[curator-client-2.6.0.jar:na]
    2. org.apache.curator.ConnectionState.getZooKeeper(ConnectionState.java:88)[curator-client-2.6.0.jar:na]
    3. org.apache.curator.CuratorZookeeperClient.getZooKeeper(CuratorZookeeperClient.java:115)[curator-client-2.6.0.jar:na]
    3 frames
  3. Curator Framework
    CuratorFrameworkImpl$4.call
    1. org.apache.curator.framework.imps.CuratorFrameworkImpl.performBackgroundOperation(CuratorFrameworkImpl.java:793)[curator-framework-2.6.0.jar:na]
    2. org.apache.curator.framework.imps.CuratorFrameworkImpl.backgroundOperationsLoop(CuratorFrameworkImpl.java:779)[curator-framework-2.6.0.jar:na]
    3. org.apache.curator.framework.imps.CuratorFrameworkImpl.access$400(CuratorFrameworkImpl.java:58)[curator-framework-2.6.0.jar:na]
    4. org.apache.curator.framework.imps.CuratorFrameworkImpl$4.call(CuratorFrameworkImpl.java:265)[curator-framework-2.6.0.jar:na]
    4 frames
  4. Java RT
    Thread.run
    1. java.util.concurrent.FutureTask.run(FutureTask.java:266)[na:1.8.0_60]
    2. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)[na:1.8.0_60]
    3. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)[na:1.8.0_60]
    4. java.lang.Thread.run(Thread.java:745)[na:1.8.0_60]
    4 frames