Oleg Zhurakousky created YARN-1965:
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Summary: Interrupted exception when closing YarnClient
Key: YARN-1965
URL: https://issues.apache.org/jira/browse/YARN-1965
Project: Hadoop YARN
Issue Type: Bug
Components: resourcemanager
Affects Versions: 2.3.0
Reporter: Oleg Zhurakousky
Priority: Minor
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.
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