Peter Bacsko created YARN-9446:
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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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