We have just started experiencing a different problem that could be related, maybe it helps to diagnose the issue.
In the last 24h the jobmanager lost connection to Zookeeper a couple of times. Each time, a new jobmanager (in a different node) was elected leader correctly but the taskamangers kept trying to connect to the old jobmanager. These are the ending log messages until the taskamanger shut down itself. 12:06:41.747 [flink-akka.actor.default-dispatcher-5] WARN akka.remote.transport.netty.NettyTransport New I/O boss #3 - Remote connection to [null] failed with java.net.ConnectException: Connection refused: (...)1/192.168.1.9:35605 12:06:41.748 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Could not resolve ResourceManager address akka.tcp://flink@(...)1:35605/user/resourcemanager, retrying in 10000 ms: Could not connect to rpc endpoint under address akka.tcp://flink@(...)1:35605/user/resourcemanager.. 12:06:41.748 [flink-akka.actor.default-dispatcher-5] WARN akka.remote.ReliableDeliverySupervisor flink-akka.remote.default-remote-dispatcher-15 - Association with remote system [akka.tcp://flink@(...)1:35605] has failed, address is now gated for [50] ms. Reason: [Association failed with [akka.tcp://flink@(...)1:35605]] Caused by: [Connection refused: (...)1/192.168.1.9:35605] 12:06:51.766 [flink-akka.actor.default-dispatcher-5] WARN akka.remote.transport.netty.NettyTransport New I/O boss #3 - Remote connection to [null] failed with java.net.ConnectException: Connection refused: (...)1/192.168.1.9:35605 12:06:51.767 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Could not resolve ResourceManager address akka.tcp://flink@(...)1:35605/user/resourcemanager, retrying in 10000 ms: Could not connect to rpc endpoint under address akka.tcp://flink@(...)1:35605/user/resourcemanager.. 12:06:51.767 [flink-akka.actor.default-dispatcher-5] WARN akka.remote.ReliableDeliverySupervisor flink-akka.remote.default-remote-dispatcher-7 - Association with remote system [akka.tcp://flink@(...)1:35605] has failed, address is now gated for [50] ms. Reason: [Association failed with [akka.tcp://flink@(...)1:35605]] Caused by: [Connection refused: (...)1/192.168.1.9:35605] 12:07:01.123 [flink-akka.actor.default-dispatcher-5] ERROR org.apache.flink.runtime.taskexecutor.TaskExecutor - Fatal error occurred in TaskExecutor akka.tcp://flink@(...)2:33455/user/taskmanager_0. org.apache.flink.runtime.taskexecutor.exceptions.RegistrationTimeoutException: Could not register at the ResourceManager within the specified maximum registration duration 300000 ms. This indicates a problem with this instance. Terminating now. at org.apache.flink.runtime.taskexecutor.TaskExecutor.registrationTimeout(TaskExecutor.java:1018) at org.apache.flink.runtime.taskexecutor.TaskExecutor.lambda$startRegistrationTimeout$3(TaskExecutor.java:1004) at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRunAsync(AkkaRpcActor.java:332) at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:158) at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.onReceive(AkkaRpcActor.java:142) at akka.actor.UntypedActor$$anonfun$receive$1.applyOrElse(UntypedActor.scala:165) at akka.actor.Actor$class.aroundReceive(Actor.scala:502) at akka.actor.UntypedActor.aroundReceive(UntypedActor.scala:95) at akka.actor.ActorCell.receiveMessage(ActorCell.scala:526) at akka.actor.ActorCell.invoke(ActorCell.scala:495) at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257) at akka.dispatch.Mailbox.run(Mailbox.scala:224) at akka.dispatch.Mailbox.exec(Mailbox.scala:234) at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) 12:07:01.125 [flink-akka.actor.default-dispatcher-5] ERROR org.apache.flink.runtime.taskexecutor.TaskManagerRunner - Fatal error occurred while executing the TaskManager. Shutting it down... org.apache.flink.runtime.taskexecutor.exceptions.RegistrationTimeoutException: Could not register at the ResourceManager within the specified maximum registration duration 300000 ms. This indicates a problem with this instance. Terminating now. at org.apache.flink.runtime.taskexecutor.TaskExecutor.registrationTimeout(TaskExecutor.java:1018) at org.apache.flink.runtime.taskexecutor.TaskExecutor.lambda$startRegistrationTimeout$3(TaskExecutor.java:1004) at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRunAsync(AkkaRpcActor.java:332) at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:158) at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.onReceive(AkkaRpcActor.java:142) at akka.actor.UntypedActor$$anonfun$receive$1.applyOrElse(UntypedActor.scala:165) at akka.actor.Actor$class.aroundReceive(Actor.scala:502) at akka.actor.UntypedActor.aroundReceive(UntypedActor.scala:95) at akka.actor.ActorCell.receiveMessage(ActorCell.scala:526) at akka.actor.ActorCell.invoke(ActorCell.scala:495) at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257) at akka.dispatch.Mailbox.run(Mailbox.scala:224) at akka.dispatch.Mailbox.exec(Mailbox.scala:234) at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) 12:07:01.128 [flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopping TaskExecutor akka.tcp://flink@(...)2:33455/user/taskmanager_0. 12:07:01.128 [flink-akka.actor.default-dispatcher-5] INFO o.a.f.r.leaderretrieval.ZooKeeperLeaderRetrievalService - Stopping ZooKeeperLeaderRetrievalService /leader/resource_manager_lock. 12:07:01.128 [flink-akka.actor.default-dispatcher-5] INFO o.a.flink.runtime.state.TaskExecutorLocalStateStoresManager - Shutting down TaskExecutorLocalStateStoresManager. 12:07:01.130 [flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.io.disk.iomanager.IOManager - I/O manager removed spill file directory /home/tmp/flink-io-cf83b38e-53f1-4802-a097-e6db95b46084 12:07:01.130 [flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.io.network.NetworkEnvironment - Shutting down the network environment and its components. 12:07:01.131 [flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.io.network.netty.NettyClient - Successful shutdown (took 1 ms). 12:07:01.132 [flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.io.network.netty.NettyServer - Successful shutdown (took 1 ms). 12:07:01.141 [flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Stop job leader service. 12:07:01.142 [flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopped TaskExecutor akka.tcp://flink@(...)2:33455/user/taskmanager_0. 12:07:01.143 [flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.blob.PermanentBlobCache - Shutting down BLOB cache 12:07:01.143 [flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.blob.TransientBlobCache - Shutting down BLOB cache 12:07:01.148 [Curator-Framework-0] INFO o.a.f.s.c.o.a.curator.framework.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting 12:07:01.173 [flink-akka.actor.default-dispatcher-5] INFO o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Session: 0x3011955028f00f4 closed 12:07:01.173 [main-EventThread] INFO o.a.flink.shaded.zookeeper.org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x3011955028f00f4 12:07:01.173 [flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopping Akka RPC service. 12:07:01.178 [flink-akka.actor.default-dispatcher-3] INFO akka.remote.RemoteActorRefProvider$RemotingTerminator flink-akka.remote.default-remote-dispatcher-16 - Shutting down remote daemon. 12:07:01.178 [flink-akka.actor.default-dispatcher-3] INFO akka.remote.RemoteActorRefProvider$RemotingTerminator flink-akka.remote.default-remote-dispatcher-16 - Remote daemon shut down; proceeding with flushing remote transports. 12:07:01.190 [flink-akka.actor.default-dispatcher-5] INFO akka.remote.RemoteActorRefProvider$RemotingTerminator flink-akka.remote.default-remote-dispatcher-7 - Remoting shut down. It seems like there are problems updating Zookeeper. I've have also noticed these messages in Zookeeper log: WARN [SyncThread:2:FileTxnLog@378] - fsync-ing the write ahead log in SyncThread:2 took 1259ms which will adversely effect operation latency. See the ZooKeeper troubleshooting guide Maybe Flink hits some timeout? Gerard On Mon, Jul 23, 2018 at 11:57 AM Gerard Garcia <ger...@talaia.io> wrote: > Hi Till, > > I can't post the full log (as there is internal info in them) but I've > found this. Is that what you are looking for? > > 11:29:17.351 [main] INFO org.apache.flink.client.cli.CliFrontend - > -------------------------------------------------------------------------------- > 11:29:17.372 [main] INFO org.apache.flink.client.cli.CliFrontend - > Starting Command Line Client (Version: 1.5-SNAPSHOT, Rev:a4fc4c6, > Date:05.06.2018 @ 10:22:30 CEST) > 11:29:17.372 [main] INFO org.apache.flink.client.cli.CliFrontend - OS > current user: (...) > 11:29:17.372 [main] INFO org.apache.flink.client.cli.CliFrontend - > Current Hadoop/Kerberos user: <no hadoop dependency found> > 11:29:17.372 [main] INFO org.apache.flink.client.cli.CliFrontend - JVM: > Java HotSpot(TM) 64-Bit Server VM - Oracle Corporation - 1.8/25.131-b11 > 11:29:17.373 [main] INFO org.apache.flink.client.cli.CliFrontend - > Maximum heap size: 14254 MiBytes > 11:29:17.373 [main] INFO org.apache.flink.client.cli.CliFrontend - > JAVA_HOME: (not set) > 11:29:17.373 [main] INFO org.apache.flink.client.cli.CliFrontend - No > Hadoop Dependency available > 11:29:17.373 [main] INFO org.apache.flink.client.cli.CliFrontend - JVM > Options: > 11:29:17.373 [main] INFO org.apache.flink.client.cli.CliFrontend - > -Dlog.file=/opt/flink/flink-1.5.0/log/flink-root-client-(...).log > 11:29:17.373 [main] INFO org.apache.flink.client.cli.CliFrontend - > -Dlog4j.configuration=file:/opt/flink/flink-1.5.0/conf/log4j-cli.properties > 11:29:17.373 [main] INFO org.apache.flink.client.cli.CliFrontend - > -Dlogback.configurationFile=file:/opt/flink/flink-1.5.0/conf/logback.xml > 11:29:17.373 [main] INFO org.apache.flink.client.cli.CliFrontend - > Program Arguments: > 11:29:17.374 [main] INFO org.apache.flink.client.cli.CliFrontend - > cancel > 11:29:17.374 [main] INFO org.apache.flink.client.cli.CliFrontend - > e403893e5208ca47ace886a77e405291 > 11:29:17.374 [main] INFO org.apache.flink.client.cli.CliFrontend - > Classpath: > /opt/flink/flink-1.5.0/lib/commons-httpclient-3.1.jar:/opt/flink/flink-1.5.0/lib/flink-metrics-statsd-1.5.0.jar:/opt/flink/flink-1.5.0/lib/flink-python_2.11-1.5.0.jar:/opt/flink/flink-1.5.0/lib/fluency-1.8.0.jar:/opt/flink/flink-1.5.0/lib/gcs-connector-latest-hadoop2.jar:/opt/flink/flink-1.5.0/lib/hadoop-openstack-2.7.1.jar:/opt/flink/flink-1.5.0/lib/jackson-annotations-2.8.0.jar:/opt/flink/flink-1.5.0/lib/jackson-core-2.8.10.jar:/opt/flink/flink-1.5.0/lib/jackson-databind-2.8.11.1.jar:/opt/flink/flink-1.5.0/lib/jackson-dataformat-msgpack-0.8.15.jar:/opt/flink/flink-1.5.0/lib/log4j-1.2.17.jar:/opt/flink/flink-1.5.0/lib/log4j-over-slf4j-1.7.25.jar:/opt/flink/flink-1.5.0/lib/logback-classic-1.2.3.jar:/opt/flink/flink-1.5.0/lib/logback-core-1.2.3.jar:/opt/flink/flink-1.5.0/lib/logback-more-appenders-1.4.2.jar:/opt/flink/flink-1.5.0/lib/msgpack-0.6.12.jar:/opt/flink/flink-1.5.0/lib/msgpack-core-0.8.15.jar:/opt/flink/flink-1.5.0/lib/phi-accural-failure-detector-0.0.4.jar:/opt/flink/flink-1.5.0/lib/slf4j-log4j12-1.7.7.jar:/opt/flink/flink-1.5.0/lib/flink-dist_2.11-1.5.0.jar::: > 11:29:17.375 [main] INFO org.apache.flink.client.cli.CliFrontend - > -------------------------------------------------------------------------------- > 11:29:17.380 [main] WARN org.apache.flink.client.cli.CliFrontend - Could > not load CLI class org.apache.flink.yarn.cli.FlinkYarnSessionCli. > java.lang.NoClassDefFoundError: org/apache/hadoop/conf/Configuration > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Class.java:264) > at > org.apache.flink.client.cli.CliFrontend.loadCustomCommandLine(CliFrontend.java:1204) > at > org.apache.flink.client.cli.CliFrontend.loadCustomCommandLines(CliFrontend.java:1160) > at > org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1086) > Caused by: java.lang.ClassNotFoundException: > org.apache.hadoop.conf.Configuration > at java.net.URLClassLoader.findClass(URLClassLoader.java:381) > at java.lang.ClassLoader.loadClass(ClassLoader.java:424) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335) > at java.lang.ClassLoader.loadClass(ClassLoader.java:357) > ... 5 common frames omitted > 11:29:17.385 [main] INFO org.apache.flink.core.fs.FileSystem - Hadoop is > not in the classpath/dependencies. The extended set of supported File > Systems via Hadoop is not available. > 11:29:17.479 [main] INFO > o.apache.flink.runtime.security.modules.HadoopModuleFactory - Cannot > create Hadoop Security Module because Hadoop cannot be found in the > Classpath. > 11:29:17.489 [main] INFO org.apache.flink.runtime.security.SecurityUtils > - Cannot install HadoopSecurityContext because Hadoop cannot be found in > the Classpath. > 11:29:17.518 [main] INFO org.apache.flink.client.cli.CliFrontend - > Running 'cancel' command. > 11:29:17.523 [main] INFO org.apache.flink.client.cli.CliFrontend - > Cancelling job e403893e5208ca47ace886a77e405291. > 11:29:17.537 [main] INFO > org.apache.flink.runtime.blob.FileSystemBlobStore - Creating highly > available BLOB storage directory at file:///home/nas/flink/ha//default/blob > 11:29:17.538 [main] INFO org.apache.flink.runtime.util.ZooKeeperUtils - > Enforcing default ACL for ZK connections > 11:29:17.539 [main] INFO org.apache.flink.runtime.util.ZooKeeperUtils - > Using '/flink/default' as Zookeeper namespace. > 11:29:17.574 [main] INFO > o.a.f.s.c.o.a.curator.framework.imps.CuratorFrameworkImpl - Starting > 11:29:17.577 [main] INFO > o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client > environment:zookeeper.version=3.4.10-39d3a4f269333c922ed3db283be479f9deacaa0f, > built on 03/23/2017 10:13 GMT > 11:29:17.577 [main] INFO > o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client > environment:host.name=(...) > 11:29:17.578 [main] INFO > o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client > environment:java.version=1.8.0_131 > 11:29:17.578 [main] INFO > o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client > environment:java.vendor=Oracle Corporation > 11:29:17.579 [main] INFO > o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client > environment:java.home=/opt/jdk/jdk1.8.0_131/jre > 11:29:17.580 [main] INFO > o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client > environment:java.class.path=/opt/flink/flink-1.5.0/lib/commons-httpclient-3.1.jar:/opt/flink/flink-1.5.0/lib/flink-metrics-statsd-1.5.0.jar:/opt/flink/flink-1.5.0/lib/flink-python_2.11-1.5.0.jar:/opt/flink/flink-1.5.0/lib/fluency-1.8.0.jar:/opt/flink/flink-1.5.0/lib/gcs-connector-latest-hadoop2.jar:/opt/flink/flink-1.5.0/lib/hadoop-openstack-2.7.1.jar:/opt/flink/flink-1.5.0/lib/jackson-annotations-2.8.0.jar:/opt/flink/flink-1.5.0/lib/jackson-core-2.8.10.jar:/opt/flink/flink-1.5.0/lib/jackson-databind-2.8.11.1.jar:/opt/flink/flink-1.5.0/lib/jackson-dataformat-msgpack-0.8.15.jar:/opt/flink/flink-1.5.0/lib/log4j-1.2.17.jar:/opt/flink/flink-1.5.0/lib/log4j-over-slf4j-1.7.25.jar:/opt/flink/flink-1.5.0/lib/logback-classic-1.2.3.jar:/opt/flink/flink-1.5.0/lib/logback-core-1.2.3.jar:/opt/flink/flink-1.5.0/lib/logback-more-appenders-1.4.2.jar:/opt/flink/flink-1.5.0/lib/msgpack-0.6.12.jar:/opt/flink/flink-1.5.0/lib/msgpack-core-0.8.15.jar:/opt/flink/flink-1.5.0/lib/phi-accural-failure-detector-0.0.4.jar:/opt/flink/flink-1.5.0/lib/slf4j-log4j12-1.7.7.jar:/opt/flink/flink-1.5.0/lib/flink-dist_2.11-1.5.0.jar::: > 11:29:17.580 [main] INFO > o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client > environment:java.library.path=/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib > 11:29:17.580 [main] INFO > o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client > environment:java.io.tmpdir=/tmp > 11:29:17.580 [main] INFO > o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client > environment:java.compiler=<NA> > 11:29:17.580 [main] INFO > o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client > environment:os.name=Linux > 11:29:17.580 [main] INFO > o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client > environment:os.arch=amd64 > 11:29:17.580 [main] INFO > o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client > environment:os.version=4.9.87-xxxx-std-ipv6-64 > 11:29:17.581 [main] INFO > o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client > environment:user.name=(...) > 11:29:17.581 [main] INFO > o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client > environment:user.home=(...) > 11:29:17.581 [main] INFO > o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client > environment:user.dir=/opt/flink/flink-1.5.0/bin > 11:29:17.581 [main] INFO > o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Initiating > client connection, connectString=10.1.1.5:2181,10.1.1.6:2181,10.1.1.7:2181 > sessionTimeout=60000 > watcher=org.apache.flink.shaded.curator.org.apache.curator.ConnectionState@4a003cbe > 11:29:17.589 [main-SendThread(10.1.1.5:2181)] WARN > o.a.flink.shaded.zookeeper.org.apache.zookeeper.ClientCnxn - SASL > configuration failed: javax.security.auth.login.LoginException: No JAAS > configuration section named 'Client' was found in specified JAAS > configuration file: '/tmp/jaas-3807415919448894740.conf'. Will continue > connection to Zookeeper server without SASL authentication, if Zookeeper > server allows it. > 11:29:17.590 [main-SendThread(10.1.1.5:2181)] INFO > o.a.flink.shaded.zookeeper.org.apache.zookeeper.ClientCnxn - Opening > socket connection to server 10.1.1.5/10.1.1.5:2181 > 11:29:17.590 [main-EventThread] ERROR > o.a.flink.shaded.curator.org.apache.curator.ConnectionState - > Authentication failed > 11:29:17.603 [main-SendThread(10.1.1.5:2181)] INFO > o.a.flink.shaded.zookeeper.org.apache.zookeeper.ClientCnxn - Socket > connection established to 10.1.1.5/10.1.1.5:2181, initiating session > 11:29:17.625 [main-SendThread(10.1.1.5:2181)] INFO > o.a.flink.shaded.zookeeper.org.apache.zookeeper.ClientCnxn - Session > establishment complete on server 10.1.1.5/10.1.1.5:2181, sessionid = > 0x100571bda1903c3, negotiated timeout = 40000 > 11:29:17.626 [main-EventThread] INFO > o.a.f.s.c.o.a.curator.framework.state.ConnectionStateManager - State > change: CONNECTED > 11:29:17.764 [main] INFO org.apache.flink.runtime.rest.RestClient - Rest > client endpoint started. > 11:29:17.766 [main] INFO > o.a.f.r.leaderretrieval.ZooKeeperLeaderRetrievalService - Starting > ZooKeeperLeaderRetrievalService /leader/rest_server_lock. > 11:29:17.812 [main] INFO > o.a.f.r.leaderretrieval.ZooKeeperLeaderRetrievalService - Starting > ZooKeeperLeaderRetrievalService /leader/dispatcher_lock. > 11:29:18.007 [main] INFO org.apache.flink.runtime.rest.RestClient - > Shutting down rest endpoint. > 11:29:18.008 [main] INFO org.apache.flink.runtime.rest.RestClient - Rest > endpoint shutdown complete. > 11:29:18.008 [main] INFO > o.a.f.r.leaderretrieval.ZooKeeperLeaderRetrievalService - Stopping > ZooKeeperLeaderRetrievalService /leader/rest_server_lock. > 11:29:18.009 [main] INFO > o.a.f.r.leaderretrieval.ZooKeeperLeaderRetrievalService - Stopping > ZooKeeperLeaderRetrievalService /leader/dispatcher_lock. > 11:29:18.010 [Curator-Framework-0] INFO > o.a.f.s.c.o.a.curator.framework.imps.CuratorFrameworkImpl - > backgroundOperationsLoop exiting > 11:29:18.030 [main] INFO > o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Session: > 0x100571bda1903c3 closed > 11:29:18.030 [main-EventThread] INFO > o.a.flink.shaded.zookeeper.org.apache.zookeeper.ClientCnxn - EventThread > shut down for session: 0x100571bda1903c3 > 11:29:18.030 [main] INFO org.apache.flink.client.cli.CliFrontend - > Cancelled job e403893e5208ca47ace886a77e405291. > > Gerard > > On Fri, Jul 20, 2018 at 5:14 AM vino yang <yanghua1...@gmail.com> wrote: > >> Hi Till, >> >> You are right, we also saw the problem you said. Curator removes the >> specific job graph path asynchronously. But it's the only gist when >> recovering, right? Is there any plan to enhance this point? >> >> Thanks, vino. >> >> 2018-07-19 21:58 GMT+08:00 Till Rohrmann <trohrm...@apache.org>: >> >>> Hi Gerard, >>> >>> the logging statement `Removed job graph ... from ZooKeeper` is actually >>> not 100% accurate. The actual deletion is executed as an asynchronous >>> background task and the log statement is not printed in the callback (which >>> it should). Therefore, the deletion could still have failed. In order to >>> see this, the full jobmanager/cluster entry point logs would be >>> tremendously helpful. >>> >>> Cheers, >>> Till >>> >>> On Thu, Jul 19, 2018 at 1:33 PM Gerard Garcia <ger...@talaia.io> wrote: >>> >>>> Thanks Andrey, >>>> >>>> That is the log from the jobmanager just after it has finished >>>> cancelling the task: >>>> >>>> 11:29:18.716 [flink-akka.actor.default-dispatcher-15695] INFO >>>> org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Stopping >>>> checkpoint coordinator for job e403893e5208ca47ace886a77e405291. >>>> 11:29:18.716 [flink-akka.actor.default-dispatcher-15695] INFO >>>> o.a.f.runtime.checkpoint.ZooKeeperCompletedCheckpointStore - Shutting down >>>> 11:29:18.738 [flink-akka.actor.default-dispatcher-15695] INFO >>>> o.a.f.runtime.checkpoint.ZooKeeperCompletedCheckpointStore - Removing >>>> /flink-eur/default/checkpoints/e403893e5208ca47ace886a77e405291 from >>>> ZooKeeper >>>> 11:29:18.780 [flink-akka.actor.default-dispatcher-15695] INFO >>>> o.a.flink.runtime.checkpoint.ZooKeeperCheckpointIDCounter - Shutting down. >>>> 11:29:18.780 [flink-akka.actor.default-dispatcher-15695] INFO >>>> o.a.flink.runtime.checkpoint.ZooKeeperCheckpointIDCounter - Removing >>>> /checkpoint-counter/e403893e5208ca47ace886a77e405291 from ZooKeeper >>>> 11:29:18.827 [flink-akka.actor.default-dispatcher-15695] INFO >>>> org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Job >>>> e403893e5208ca47ace886a77e405291 reached globally terminal state CANCELED. >>>> 11:29:18.846 [flink-akka.actor.default-dispatcher-15675] INFO >>>> org.apache.flink.runtime.jobmaster.JobMaster - Stopping the JobMaster for >>>> job (...)(e403893e5208ca47ace886a77e405291). >>>> 11:29:18.848 [flink-akka.actor.default-dispatcher-15675] INFO >>>> o.a.f.r.leaderretrieval.ZooKeeperLeaderRetrievalService - Stopping >>>> ZooKeeperLeaderRetrievalService /leader/resource_manager_lock. >>>> 11:29:18.864 [flink-akka.actor.default-dispatcher-15675] INFO >>>> org.apache.flink.runtime.jobmaster.JobMaster - Close ResourceManager >>>> connection d5fbc30a895066054e29fb2fd60fb0f1: JobManager is shutting down.. >>>> 11:29:18.864 [flink-akka.actor.default-dispatcher-15695] INFO >>>> org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Suspending >>>> SlotPool. >>>> 11:29:18.864 [flink-akka.actor.default-dispatcher-15695] INFO >>>> org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Stopping SlotPool. >>>> 11:29:18.864 [flink-akka.actor.default-dispatcher-15688] INFO >>>> o.a.flink.runtime.resourcemanager.StandaloneResourceManager - Disconnect >>>> job manager >>>> 9cf221e2340597629fb932c03aa14...@akka.tcp://flink@(...):33827/user/jobmanager_9 >>>> for job e403893e5208ca47ace886a77e405291 from the resource manager. >>>> 11:29:18.864 [flink-akka.actor.default-dispatcher-15675] INFO >>>> o.a.f.runtime.leaderelection.ZooKeeperLeaderElectionService - Stopping >>>> ZooKeeperLeaderElectionService >>>> ZooKeeperLeaderElectionService{leaderPath='/leader/e403893e5208ca47ace886a77e405291/job_manager_lock'}. >>>> 11:29:18.980 [flink-akka.actor.default-dispatcher-15695] INFO >>>> org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Completed >>>> checkpoint 31154 for job 5d8c376b10d358b9c9470b3e70113626 (132520 bytes in >>>> 411 ms). >>>> 11:29:19.025 [flink-akka.actor.default-dispatcher-15683] INFO >>>> o.a.flink.runtime.jobmanager.ZooKeeperSubmittedJobGraphStore - Removed job >>>> graph e403893e5208ca47ace886a77e405291 from ZooKeeper. >>>> >>>> >>>> At the end it says removed job graph e403893e5208ca47ace886a77e405291 >>>> from ZooKeeper but I still can see it at /flink/default/jobgraphs: >>>> >>>> [zk: localhost:2181(CONNECTED) 14] ls >>>> /flink/default/jobgraphs/e403893e5208ca47ace886a77e405291 >>>> [3fe9c3c8-5bec-404e-a720-75f9b188124f, >>>> 36208299-0f6d-462c-bae4-2e3d53f50e8c] >>>> >>>> Gerard >>>> >>>> On Wed, Jul 18, 2018 at 4:24 PM Andrey Zagrebin < >>>> and...@data-artisans.com> wrote: >>>> >>>>> Hi Gerard, >>>>> >>>>> There is an issue recently fixed for 1.5.2, 1.6.0: >>>>> https://issues.apache.org/jira/browse/FLINK-9575 >>>>> It might have caused your problem. >>>>> >>>>> Can you please provide log from JobManager/Entry point for further >>>>> investigation? >>>>> >>>>> Cheers, >>>>> Andrey >>>>> >>>>> On 18 Jul 2018, at 10:16, Gerard Garcia <ger...@talaia.io> wrote: >>>>> >>>>> Hi vino, >>>>> >>>>> Seems that jobs id stay in /jobgraphs when we cancel them manually. >>>>> For example, after cancelling the job with id >>>>> 75e16686cb4fe0d33ead8e29af131d09 the entry is still in zookeeper's path >>>>> /flink/default/jobgraphs, but the job disappeared from >>>>> /home/nas/flink/ha/default/blob/. >>>>> >>>>> That is the client log: >>>>> >>>>> 09:20:58.492 [main] INFO org.apache.flink.client.cli.CliFrontend - >>>>> Cancelling job 75e16686cb4fe0d33ead8e29af131d09. >>>>> 09:20:58.503 [main] INFO >>>>> org.apache.flink.runtime.blob.FileSystemBlobStore - Creating highly >>>>> available BLOB storage directory at >>>>> file:///home/nas/flink/ha//default/blob >>>>> 09:20:58.505 [main] INFO >>>>> org.apache.flink.runtime.util.ZooKeeperUtils - Enforcing default ACL for >>>>> ZK connections >>>>> 09:20:58.505 [main] INFO >>>>> org.apache.flink.runtime.util.ZooKeeperUtils - Using '/flink-eur/default' >>>>> as Zookeeper namespace. >>>>> 09:20:58.539 [main] INFO >>>>> o.a.f.s.c.o.a.curator.framework.imps.CuratorFrameworkImpl - Starting >>>>> 09:20:58.543 [main] INFO >>>>> o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client >>>>> environment:zookeeper.version= >>>>> 3.4.10-39d3a4f269333c922ed3db283be479f9deacaa0f, built on 03/23/2017 >>>>> 10:13 GMT >>>>> 09:20:58.543 [main] INFO >>>>> o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client >>>>> environment:host.name=flink-eur-production1 >>>>> 09:20:58.543 [main] INFO >>>>> o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client >>>>> environment:java.version=1.8.0_131 >>>>> 09:20:58.544 [main] INFO >>>>> o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client >>>>> environment:java.vendor=Oracle Corporation >>>>> 09:20:58.546 [main] INFO >>>>> o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client >>>>> environment:java.home=/opt/jdk/jdk1.8.0_131/jre >>>>> 09:20:58.546 [main] INFO >>>>> o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client >>>>> environment:java.class.path=/opt/flink/flink-1.5.0/lib/commons-httpclient-3.1.jar:/opt/flink/flink-1.5.0/lib/flink-metrics-statsd-1.5.0.jar:/opt/flink/flink-1.5.0/lib/flink-python_2.11-1.5.0.jar:/opt/flink/flink-1.5.0/lib/fluency-1.8.0.jar:/opt/flink/flink-1.5.0/lib/gcs-connector-latest-hadoop2.jar:/opt/flink/flink-1.5.0/lib/hadoop-openstack-2.7.1.jar:/opt/flink/flink-1.5.0/lib/jackson-annotations-2.8.0.jar:/opt/flink/flink-1.5.0/lib/jackson-core-2.8.10.jar:/opt/flink/flink-1.5.0/lib/jackson-databind-2.8.11.1.jar:/opt/flink/flink-1.5.0/lib/jackson-dataformat-msgpack-0.8.15.jar:/opt/flink/flink-1.5.0/lib/log4j-1.2.17.jar:/opt/flink/flink-1.5.0/lib/log4j-over-slf4j-1.7.25.jar:/opt/flink/flink-1.5.0/lib/logback-classic-1.2.3.jar:/opt/flink/flink-1.5.0/lib/logback-core-1.2.3.jar:/opt/flink/flink-1.5.0/lib/logback-more-appenders-1.4.2.jar:/opt/flink/flink-1.5.0/lib/msgpack-0.6.12.jar:/opt/flink/flink-1.5.0/lib/msgpack-core-0.8.15.jar:/opt/flink/flink-1.5.0/lib/phi-accural-failure-detector-0.0.4.jar:/opt/flink/flink-1.5.0/lib/slf4j-log4j12-1.7.7.jar:/opt/flink/flink-1.5.0/lib/flink-dist_2.11-1.5.0.jar::: >>>>> 09:20:58.546 [main] INFO >>>>> o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client >>>>> environment:java.library.path=/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib >>>>> 09:20:58.546 [main] INFO >>>>> o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client >>>>> environment:java.io.tmpdir=/tmp >>>>> 09:20:58.546 [main] INFO >>>>> o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client >>>>> environment:java.compiler=<NA> >>>>> 09:20:58.547 [main] INFO >>>>> o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client >>>>> environment:os.name=Linux >>>>> 09:20:58.547 [main] INFO >>>>> o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client >>>>> environment:os.arch=amd64 >>>>> 09:20:58.547 [main] INFO >>>>> o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client >>>>> environment:os.version=4.9.87-xxxx-std-ipv6-64 >>>>> 09:20:58.547 [main] INFO >>>>> o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client >>>>> environment:user.name=root >>>>> 09:20:58.547 [main] INFO >>>>> o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client >>>>> environment:user.home=/root >>>>> 09:20:58.547 [main] INFO >>>>> o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Client >>>>> environment:user.dir=/opt/flink/flink-1.5.0/bin >>>>> 09:20:58.548 [main] INFO >>>>> o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Initiating >>>>> client connection, connectString=10.1.1.5:2181,10.1.1.6:2181, >>>>> 10.1.1.7:2181 sessionTimeout=60000 >>>>> watcher=org.apache.flink.shaded.curator.org.apache.curator.ConnectionState@4a003cbe >>>>> 09:20:58.555 [main-SendThread(10.1.1.5:2181)] WARN >>>>> o.a.flink.shaded.zookeeper.org.apache.zookeeper.ClientCnxn - SASL >>>>> configuration failed: javax.security.auth.login.LoginException: No JAAS >>>>> configuration section named 'Client' was found in specified JAAS >>>>> configuration file: '/tmp/jaas-9143038863636945274.conf'. Will continue >>>>> connection to Zookeeper server without SASL authentication, if Zookeeper >>>>> server allows it. >>>>> 09:20:58.556 [main-SendThread(10.1.1.5:2181)] INFO >>>>> o.a.flink.shaded.zookeeper.org.apache.zookeeper.ClientCnxn - Opening >>>>> socket connection to server 10.1.1.5/10.1.1.5:2181 >>>>> 09:20:58.556 [main-EventThread] ERROR >>>>> o.a.flink.shaded.curator.org.apache.curator.ConnectionState >>>>> - Authentication failed >>>>> 09:20:58.569 [main-SendThread(10.1.1.5:2181)] INFO >>>>> o.a.flink.shaded.zookeeper.org.apache.zookeeper.ClientCnxn - Socket >>>>> connection established to 10.1.1.5/10.1.1.5:2181, initiating session >>>>> 09:20:58.592 [main-SendThread(10.1.1.5:2181)] INFO >>>>> o.a.flink.shaded.zookeeper.org.apache.zookeeper.ClientCnxn - Session >>>>> establishment complete on server 10.1.1.5/10.1.1.5:2181, sessionid = >>>>> 0x100571bda1903b7, negotiated timeout = 40000 >>>>> 09:20:58.593 [main-EventThread] INFO >>>>> o.a.f.s.c.o.a.curator.framework.state.ConnectionStateManager - State >>>>> change: CONNECTED >>>>> 09:20:58.711 [main] INFO org.apache.flink.runtime.rest.RestClient - >>>>> Rest client endpoint started. >>>>> 09:20:58.713 [main] INFO >>>>> o.a.f.r.leaderretrieval.ZooKeeperLeaderRetrievalService - Starting >>>>> ZooKeeperLeaderRetrievalService /leader/rest_server_lock. >>>>> 09:20:58.755 [main] INFO >>>>> o.a.f.r.leaderretrieval.ZooKeeperLeaderRetrievalService - Starting >>>>> ZooKeeperLeaderRetrievalService /leader/dispatcher_lock. >>>>> 09:20:58.946 [main] INFO org.apache.flink.runtime.rest.RestClient - >>>>> Shutting down rest endpoint. >>>>> 09:20:58.946 [main] INFO org.apache.flink.runtime.rest.RestClient - >>>>> Rest endpoint shutdown complete. >>>>> 09:20:58.947 [main] INFO >>>>> o.a.f.r.leaderretrieval.ZooKeeperLeaderRetrievalService - Stopping >>>>> ZooKeeperLeaderRetrievalService /leader/rest_server_lock. >>>>> 09:20:58.948 [main] INFO >>>>> o.a.f.r.leaderretrieval.ZooKeeperLeaderRetrievalService - Stopping >>>>> ZooKeeperLeaderRetrievalService /leader/dispatcher_lock. >>>>> 09:20:58.949 [Curator-Framework-0] INFO >>>>> o.a.f.s.c.o.a.curator.framework.imps.CuratorFrameworkImpl - >>>>> backgroundOperationsLoop exiting >>>>> 09:20:58.968 [main] INFO >>>>> o.a.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper - Session: >>>>> 0x100571bda1903b7 closed >>>>> 09:20:58.968 [main] INFO org.apache.flink.client.cli.CliFrontend - >>>>> Cancelled job 75e16686cb4fe0d33ead8e29af131d09. >>>>> 09:20:58.969 [main-EventThread] INFO >>>>> o.a.flink.shaded.zookeeper.org.apache.zookeeper.ClientCnxn - EventThread >>>>> shut down for session: 0x100571bda1903b7 >>>>> >>>>> I'm assuming that in /jobgraphs there should only be the job ids that >>>>> are currently running (at least it seemed that when the jobmanager >>>>> restarted it tried to restart the jobs ids stored there). Is that correct? >>>>> >>>>> Gerard >>>>> >>>>> On Wed, Jul 18, 2018 at 9:17 AM vino yang <yanghua1...@gmail.com> >>>>> wrote: >>>>> >>>>>> Hi Gerard, >>>>>> >>>>>> From you provide information, you mean the path in Zookeeper >>>>>> "/jobgraphs" exists more jobs than you submitted? >>>>>> And can not be restarted because blob files can not be find? >>>>>> >>>>>> Can you provide more details, about the stack trace, log and which >>>>>> version of Flink? Normally, the jobgraph can not be added to Zookeeper >>>>>> except submit job manually. >>>>>> >>>>>> Thanks, vino. >>>>>> >>>>>> 2018-07-16 21:19 GMT+08:00 gerardg <ger...@talaia.io>: >>>>>> >>>>>>> Hi, >>>>>>> >>>>>>> Our deployment consists of a standalone HA cluster of 8 machines >>>>>>> with an >>>>>>> external Zookeeper cluster. We have observed several times that when >>>>>>> a >>>>>>> jobmanager fails and a new one is elected, the new one tries to >>>>>>> restart >>>>>>> more jobs than the ones that were running and since it can't find >>>>>>> some >>>>>>> files, it fails and gets stuck in a restart loop. That is the error >>>>>>> that we >>>>>>> see in the logs: >>>>>>> >>>>>>> >>>>>>> >>>>>>> These are the contents of /home/nas/flink/ha/default/blob/: >>>>>>> >>>>>>> >>>>>>> >>>>>>> We've checked zookeeper and there are actually a lot of jobgraphs in >>>>>>> /flink/default/jobgraphs >>>>>>> >>>>>>> >>>>>>> >>>>>>> There were only three jobs running so neither zookeeper nor the >>>>>>> flink 'ha' >>>>>>> folder seems to have the correct number of jobgraphs stored. >>>>>>> >>>>>>> The only way we have to solve this is to remove everything at path >>>>>>> /flink in >>>>>>> zookeeper and the 'ha' flink folder and restart the jobs manually. >>>>>>> >>>>>>> I'll try to monitor if some action (e.g. we have been canceling and >>>>>>> restoring jobs from savepoints quite often lately) leaves an entry in >>>>>>> zookeepers path /flink/default/jobgraphs of a job that is not >>>>>>> running but >>>>>>> maybe someone can't point us to some configuration problem that >>>>>>> could cause >>>>>>> this behavior. >>>>>>> >>>>>>> Thanks, >>>>>>> >>>>>>> Gerard >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> Sent from: >>>>>>> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/ >>>>>>> >>>>>> >>>>>> >>>>> >>