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From "Peter Bacsko (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-9446) TestMiniMRClientCluster.testRestart is flaky
Date Fri, 05 Apr 2019 14:08:00 GMT
Peter Bacsko created YARN-9446:
----------------------------------

             Summary: TestMiniMRClientCluster.testRestart is flaky
                 Key: YARN-9446
                 URL: https://issues.apache.org/jira/browse/YARN-9446
             Project: Hadoop YARN
          Issue Type: Bug
          Components: test
            Reporter: Peter Bacsko
            Assignee: Peter Bacsko


The testcase {{TestMiniMRClientCluster.testRestart}} sometimes fails with this error:

{noformat}
2019-04-04 11:21:31,896 INFO [main] service.AbstractService (AbstractService.java:noteFailure(273))
- Service org.apache.hadoop.yarn.server.resourcemanager.AdminService failed in state STARTED;
cause: org.apache.hadoop.yarn.exceptions.YarnRuntimeException: java.net.BindException: Problem
binding to [test-host:35491] java.net.BindException: Address already in use; For more details
see: http://wiki.apache.org/hadoop/BindException
org.apache.hadoop.yarn.exceptions.YarnRuntimeException: java.net.BindException: Problem binding
to [test-host:35491] java.net.BindException: Address already in use; For more details see:
http://wiki.apache.org/hadoop/BindException
 at org.apache.hadoop.yarn.factories.impl.pb.RpcServerFactoryPBImpl.getServer(RpcServerFactoryPBImpl.java:138)
 at org.apache.hadoop.yarn.ipc.HadoopYarnProtoRPC.getServer(HadoopYarnProtoRPC.java:65)
 at org.apache.hadoop.yarn.ipc.YarnRPC.getServer(YarnRPC.java:54)
 at org.apache.hadoop.yarn.server.resourcemanager.AdminService.startServer(AdminService.java:178)
 at org.apache.hadoop.yarn.server.resourcemanager.AdminService.serviceStart(AdminService.java:165)
 at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194)
 at org.apache.hadoop.service.CompositeService.serviceStart(CompositeService.java:121)
 at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStart(ResourceManager.java:1244)
 at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194)
 at org.apache.hadoop.yarn.server.MiniYARNCluster.startResourceManager(MiniYARNCluster.java:355)
 at org.apache.hadoop.yarn.server.MiniYARNCluster.access$300(MiniYARNCluster.java:127)
 at org.apache.hadoop.yarn.server.MiniYARNCluster$ResourceManagerWrapper.serviceStart(MiniYARNCluster.java:493)
 at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194)
 at org.apache.hadoop.service.CompositeService.serviceStart(CompositeService.java:121)
 at org.apache.hadoop.yarn.server.MiniYARNCluster.serviceStart(MiniYARNCluster.java:312)
 at org.apache.hadoop.mapreduce.v2.MiniMRYarnCluster.serviceStart(MiniMRYarnCluster.java:210)
 at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194)
 at org.apache.hadoop.mapred.MiniMRYarnClusterAdapter.restart(MiniMRYarnClusterAdapter.java:73)
 at org.apache.hadoop.mapred.TestMiniMRClientCluster.testRestart(TestMiniMRClientCluster.java:114)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62){noformat}

The solution is to set the socket option SO_REUSEADDR which is implemented in HADOOP-16238.



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