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https://issues.apache.org/jira/browse/HDFS-15182?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ayush Saxena updated HDFS-15182:
--------------------------------
Fix Version/s: 3.3.0
Hadoop Flags: Reviewed
Resolution: Fixed
Status: Resolved (was: Patch Available)
> TestBlockManager#testOneOfTwoRacksDecommissioned() fail in trunk
> ----------------------------------------------------------------
>
> Key: HDFS-15182
> URL: https://issues.apache.org/jira/browse/HDFS-15182
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Lisheng Sun
> Assignee: Lisheng Sun
> Priority: Minor
> Fix For: 3.3.0
>
> Attachments: HDFS-15182-001.patch, HDFS-15182-002.patch,
> HDFS-15182-003.patch, HDFS-15182-004.patch
>
>
> when run only a UT of TestBlockManager#testOneOfTwoRacksDecommissioned(), it
> will fail and throw NullPointerException.
> Since NameNode#metrics is static variableļ¼run all uts in TestBlockManager and
> other ut has init metrics.
> But that it runs only testOneOfTwoRacksDecommissioned without initialing
> metrics throws NullPointerException.
> {code:java}
> java.lang.NullPointerException
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.addBlock(BlockManager.java:4088)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.TestBlockManager.fulfillPipeline(TestBlockManager.java:518)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.TestBlockManager.doTestOneOfTwoRacksDecommissioned(TestBlockManager.java:388)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.TestBlockManager.testOneOfTwoRacksDecommissioned(TestBlockManager.java:353)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
> at
> com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
> at
> com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
> at
> com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
> at
> com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
> {code}
> And testAllNodesHoldingReplicasDecommissioned ,
> testTwoOfThreeNodesDecommissioned , testSufficientlyReplBlocksUsesNewRack
> also have the same problem.
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