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Hudson commented on HADOOP-12213: --------------------------------- FAILURE: Integrated in Hadoop-Mapreduce-trunk-Java8 #341 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/341/]) HADOOP-12213. Interrupted exception can occur when Client#stop is called. Contributed by Kuhu Shukla. (ozawa: rev 0ebc658105336cfe3e1a248b411de60f1d380928) * hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestIPC.java * hadoop-common-project/hadoop-common/CHANGES.txt * hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Client.java > Interrupted exception can occur when Client#stop is called > ---------------------------------------------------------- > > Key: HADOOP-12213 > URL: https://issues.apache.org/jira/browse/HADOOP-12213 > Project: Hadoop Common > Issue Type: Bug > Affects Versions: 2.3.0 > Reporter: Oleg Zhurakousky > Assignee: Kuhu Shukla > Priority: Minor > Labels: newbie > Fix For: 2.7.2 > > Attachments: YARN-1965-v2.patch, YARN-1965-v3.patch, YARN-1965.patch > > > Its more of a nuisance then a bug, but nevertheless > {code} > 16:16:48,709 ERROR pool-1-thread-1 ipc.Client:195 - Interrupted while waiting > for clientExecutorto stop > java.lang.InterruptedException > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2072) > at > java.util.concurrent.ThreadPoolExecutor.awaitTermination(ThreadPoolExecutor.java:1468) > at > org.apache.hadoop.ipc.Client$ClientExecutorServiceFactory.unrefAndCleanup(Client.java:191) > at org.apache.hadoop.ipc.Client.stop(Client.java:1235) > at org.apache.hadoop.ipc.ClientCache.stopClient(ClientCache.java:100) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.close(ProtobufRpcEngine.java:251) > at org.apache.hadoop.ipc.RPC.stopProxy(RPC.java:626) > at > org.apache.hadoop.yarn.api.impl.pb.client.ApplicationClientProtocolPBClientImpl.close(ApplicationClientProtocolPBClientImpl.java:112) > at org.apache.hadoop.ipc.RPC.stopProxy(RPC.java:621) > at > org.apache.hadoop.io.retry.DefaultFailoverProxyProvider.close(DefaultFailoverProxyProvider.java:57) > at > org.apache.hadoop.io.retry.RetryInvocationHandler.close(RetryInvocationHandler.java:206) > at org.apache.hadoop.ipc.RPC.stopProxy(RPC.java:626) > at > org.apache.hadoop.yarn.client.api.impl.YarnClientImpl.serviceStop(YarnClientImpl.java:124) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > . . . > {code} > It happens sporadically when stopping YarnClient. > Looking at the code in Client's 'unrefAndCleanup' its not immediately obvious > why and who throws the interrupt but in any event it should not be logged as > ERROR. Probably a WARN with no stack trace. > Also, for consistency and correctness you may want to Interrupt current > thread as well. -- This message was sent by Atlassian JIRA (v6.3.4#6332)