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https://issues.apache.org/jira/browse/HBASE-3124?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
rajeshbabu resolved HBASE-3124.
-------------------------------
Resolution: Duplicate
Assignee: Ted Yu
This issue got fixed as part of HBASE-7878 by providing syncronization to
ensure new HLog files will be created before archiving old splits.
> TestHLogSplit#testSplitWillNotTouchLogsIfNewHLogGets occsionally fails with
> NPE
> -------------------------------------------------------------------------------
>
> Key: HBASE-3124
> URL: https://issues.apache.org/jira/browse/HBASE-3124
> Project: HBase
> Issue Type: Bug
> Reporter: Hairong Kuang
> Assignee: Ted Yu
>
> I am working on an HDFS side patch to reduce the cost of file recovery in
> HLog#splitLog. when I run HBase unit test, I sometimes see
> TestHLogSplit#testSplitWillNotTouchLogsIfNewHLogGets fail with the following
> error.
> java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.regionserver.wal.TestHLogSplit.testSplitWillNotTouchLogsIfNewHLogGetsCreatedAfterSplitStarted(TestHLogSplit.java:462)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
> at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
> at
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
> at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
> at
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
> at
> org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:46)
> at
> org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
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