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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-7751) TestDelayedRpc occasionally fails in trunk
Date Sat, 02 Feb 2013 15:24:12 GMT
Ted Yu created HBASE-7751:
-----------------------------

             Summary: TestDelayedRpc occasionally fails in trunk
                 Key: HBASE-7751
                 URL: https://issues.apache.org/jira/browse/HBASE-7751
             Project: HBase
          Issue Type: Bug
            Reporter: Ted Yu
             Fix For: 0.96.0


>From https://builds.apache.org/job/HBase-TRUNK/3846/testReport/org.apache.hadoop.hbase.ipc/TestDelayedRpc/testDelayedRpcImmediateReturnValue/:
{code}
java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
	at java.util.ArrayList.rangeCheck(ArrayList.java:604)
	at java.util.ArrayList.get(ArrayList.java:382)
	at org.apache.hadoop.hbase.ipc.TestDelayedRpc.testDelayedRpc(TestDelayedRpc.java:96)
	at org.apache.hadoop.hbase.ipc.TestDelayedRpc.testDelayedRpcImmediateReturnValue(TestDelayedRpc.java:59)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.junit.runners.Suite.runChild(Suite.java:127)
	at org.junit.runners.Suite.runChild(Suite.java:26)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:722)
Standard Output

2013-02-02 07:49:26,693 INFO  [pool-1-thread-1] hbase.ResourceChecker(147): before: ipc.TestDelayedRpc#testDelayedRpcImmediateReturnValue
Thread=5, OpenFileDescriptor=81, MaxFileDescriptor=4096, ConnectionCount=0
2013-02-02 07:49:31,746 WARN  [pool-1-thread-1] impl.MetricsSystemImpl(137): Metrics system
not started: Cannot locate configuration: tried hadoop-metrics2-hbase.properties, hadoop-metrics2.properties
Exception in thread "Thread-7" java.lang.AssertionError: Unexpected exception: null	at org.junit.Assert.fail(Assert.java:88)
at org.apache.hadoop.hbase.ipc.TestDelayedRpc$TestThread.run(TestDelayedRpc.java:249)Exception
in thread "Thread-8" java.lang.AssertionError: Unexpected exception: null	at org.junit.Assert.fail(Assert.java:88)
at org.apache.hadoop.hbase.ipc.TestDelayedRpc$TestThread.run(TestDelayedRpc.java:249)2013-02-02
07:49:36,410 WARN  [IPC Client (47) connection to /127.0.0.1:36850 from jenkins] ipc.HBaseClient$Connection(640):
Unexpected exception receiving call responses
java.lang.RuntimeException: java.lang.NullPointerException
	at org.apache.hadoop.hbase.ipc.HBaseClient$Connection.receiveResponse(HBaseClient.java:1003)
	at org.apache.hadoop.hbase.ipc.HBaseClient$Connection.run(HBaseClient.java:637)
Caused by: java.lang.NullPointerException
	at org.apache.hadoop.hbase.ipc.HBaseClient$Connection.receiveResponse(HBaseClient.java:999)
	... 1 more
Exception in thread "Thread-9" java.lang.AssertionError: Unexpected exception: null	at org.junit.Assert.fail(Assert.java:88)
at org.apache.hadoop.hbase.ipc.TestDelayedRpc$TestThread.run(TestDelayedRpc.java:249)2013-02-02
07:49:36,449 INFO  [pool-1-thread-1] hbase.ResourceChecker(171): after: ipc.TestDelayedRpc#testDelayedRpcImmediateReturnValue
Thread=21 (was 5)
{code}
Here is related code where NPE was thrown:
{code}
            rpcResponseType = ProtobufRpcClientEngine.Invoker.getReturnProtoType(
                getMethod(remoteId.getProtocol(),
                          call.param.getMethodName()));
{code}


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