[TAJO-1197] Unit test failed: unable to create new native thread

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.9.0
• Fix Version/s: 0.10.0
• Component/s: Unit Test
• Assignee: Jinho Kim
• Reporter: Jinho Kim
• Created: 19/Nov/14 03:04
• Updated: 19/Nov/14 16:10
• Resolved: 19/Nov/14 11:16

Description

TravisCI are occasionally failed due to too many thread created

Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 4.563 sec <<< FAILURE! - in org.apache.tajo.master.ha.TestHAServiceHDFSImpl
testTwoBackupMasters(org.apache.tajo.master.ha.TestHAServiceHDFSImpl)  Time elapsed: 4.563 sec  <<< ERROR!
java.lang.OutOfMemoryError: unable to create new native thread
	at java.lang.Thread.start0(Native Method)
	at java.lang.Thread.start(Thread.java:679)
	at java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:950)
	at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1372)
	at org.jboss.netty.util.internal.DeadLockProofWorker.start(DeadLockProofWorker.java:38)
	at org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:343)
	at org.jboss.netty.channel.socket.nio.AbstractNioSelector.<init>(AbstractNioSelector.java:95)
	at org.jboss.netty.channel.socket.nio.AbstractNioWorker.<init>(AbstractNioWorker.java:53)
	at org.jboss.netty.channel.socket.nio.NioWorker.<init>(NioWorker.java:45)
	at org.jboss.netty.channel.socket.nio.NioWorkerPool.createWorker(NioWorkerPool.java:45)
	at org.jboss.netty.channel.socket.nio.NioWorkerPool.createWorker(NioWorkerPool.java:28)
	at org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.newWorker(AbstractNioWorkerPool.java:99)
	at org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.init(AbstractNioWorkerPool.java:69)
	at org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:39)
	at org.apache.tajo.rpc.RpcChannelFactory.createServerChannelFactory(RpcChannelFactory.java:89)
	at org.apache.tajo.rpc.NettyServerBase.init(NettyServerBase.java:69)
	at org.apache.tajo.rpc.AsyncRpcServer.<init>(AsyncRpcServer.java:58)
	at org.apache.tajo.worker.TajoWorkerManagerService.init(TajoWorkerManagerService.java:73)
	at org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107)
	at org.apache.tajo.worker.TajoWorker.serviceInit(TajoWorker.java:236)
	at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
	at org.apache.tajo.worker.TajoWorker.startWorker(TajoWorker.java:146)
	at org.apache.tajo.TajoTestingCluster.startTajoWorkers(TajoTestingCluster.java:401)
	at org.apache.tajo.TajoTestingCluster.startMiniTajoCluster(TajoTestingCluster.java:339)
	at org.apache.tajo.TajoTestingCluster.startMiniCluster(TajoTestingCluster.java:490)
	at org.apache.tajo.TajoTestingCluster.startMiniCluster(TajoTestingCluster.java:455)
	at org.apache.tajo.master.ha.TestHAServiceHDFSImpl.testTwoBackupMasters(TestHAServiceHDFSImpl.java:56)