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Posted to hdfs-dev@hadoop.apache.org by "Lisheng Sun (Jira)" <ji...@apache.org> on 2020/02/19 01:58:00 UTC
[jira] [Created] (HDFS-15182)
TestBlockManager#testOneOfTwoRacksDecommissioned() fail in trunk
Lisheng Sun created HDFS-15182:
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Summary: 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
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}
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