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From "Gary Yao (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-8943) Jobs will not recover if DFS is temporarily unavailable
Date Wed, 14 Mar 2018 14:14:00 GMT
Gary Yao created FLINK-8943:
-------------------------------

             Summary: Jobs will not recover if DFS is temporarily unavailable
                 Key: FLINK-8943
                 URL: https://issues.apache.org/jira/browse/FLINK-8943
             Project: Flink
          Issue Type: Bug
          Components: Distributed Coordination
    Affects Versions: 1.4.2, 1.5.0, 1.6.0
            Reporter: Gary Yao
             Fix For: 1.5.0, 1.6.0


*Description*
Job graphs will be recovered only once from the DFS. If the DFS is unavailable at the recovery
attempt, the jobs will simply be not running until the master is restarted again.

*Steps to reproduce*
# Submit job on Flink Cluster with HDFS as HA storage dir.
# Trigger job recovery by killing the master
# Stop HDFS NameNode
# Enable HDFS NameNode after job recovery is over
# Verify that job is not running.

*Stacktrace*
{noformat}
2018-03-14 14:01:37,704 ERROR org.apache.flink.runtime.dispatcher.StandaloneDispatcher   
  - Could not recover the job graph for a41d50b6f3ac16a730dd12792a847c97.
org.apache.flink.util.FlinkException: Could not retrieve submitted JobGraph from state handle
under /a41d50b6f3ac16a730dd12792a847c97. This indicates that the retrieved state handle is
broken. Try cleaning the state handle store.
	at org.apache.flink.runtime.jobmanager.ZooKeeperSubmittedJobGraphStore.recoverJobGraph(ZooKeeperSubmittedJobGraphStore.java:192)
	at org.apache.flink.runtime.dispatcher.Dispatcher.lambda$recoverJobs$5(Dispatcher.java:557)
	at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:39)
	at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:415)
	at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
	at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
Caused by: java.net.ConnectException: Call From ip-172-31-43-54/172.31.43.54 to ip-172-31-32-118.eu-central-1.compute.internal:9000
failed on connection exception: java.net.ConnectException: Connection refused; For more details
see:  http://wiki.apache.org/hadoop/ConnectionRefused
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:801)
	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:732)
	at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1493)
	at org.apache.hadoop.ipc.Client.call(Client.java:1435)
	at org.apache.hadoop.ipc.Client.call(Client.java:1345)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:227)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:116)
	at com.sun.proxy.$Proxy10.getBlockLocations(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getBlockLocations(ClientNamenodeProtocolTranslatorPB.java:259)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:409)
	at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:163)
	at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:155)
	at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:95)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:346)
	at com.sun.proxy.$Proxy11.getBlockLocations(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callGetBlockLocations(DFSClient.java:843)
	at org.apache.hadoop.hdfs.DFSClient.getLocatedBlocks(DFSClient.java:832)
	at org.apache.hadoop.hdfs.DFSClient.getLocatedBlocks(DFSClient.java:821)
	at org.apache.hadoop.hdfs.DFSInputStream.fetchLocatedBlocksAndGetLastBlockLength(DFSInputStream.java:325)
	at org.apache.hadoop.hdfs.DFSInputStream.openInfo(DFSInputStream.java:285)
	at org.apache.hadoop.hdfs.DFSInputStream.<init>(DFSInputStream.java:270)
	at org.apache.hadoop.hdfs.DFSClient.open(DFSClient.java:1132)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:325)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:322)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.open(DistributedFileSystem.java:322)
	at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:787)
	at org.apache.flink.runtime.fs.hdfs.HadoopFileSystem.open(HadoopFileSystem.java:119)
	at org.apache.flink.runtime.fs.hdfs.HadoopFileSystem.open(HadoopFileSystem.java:36)
	at org.apache.flink.runtime.state.filesystem.FileStateHandle.openInputStream(FileStateHandle.java:68)
	at org.apache.flink.runtime.state.RetrievableStreamStateHandle.openInputStream(RetrievableStreamStateHandle.java:64)
	at org.apache.flink.runtime.state.RetrievableStreamStateHandle.retrieveState(RetrievableStreamStateHandle.java:57)
	at org.apache.flink.runtime.jobmanager.ZooKeeperSubmittedJobGraphStore.recoverJobGraph(ZooKeeperSubmittedJobGraphStore.java:186)
	... 7 more
Caused by: java.net.ConnectException: Connection refused
	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
	at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:531)
	at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:685)
	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:788)
	at org.apache.hadoop.ipc.Client$Connection.access$3500(Client.java:410)
	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1550)
	at org.apache.hadoop.ipc.Client.call(Client.java:1381)
	... 40 more
{noformat}



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