[
https://issues.apache.org/jira/browse/HBASE-7933?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13586342#comment-13586342
]
Enis Soztutar commented on HBASE-7933:
--------------------------------------
{code}
java.io.IOException: java.io.IOException: java.lang.NullPointerException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at
org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:95)
at
org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:79)
at
org.apache.hadoop.hbase.ipc.ProtobufRpcClientEngine$Invoker.invoke(ProtobufRpcClientEngine.java:148)
at $Proxy23.createTable(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$MasterProtocolHandler.invoke(HConnectionManager.java:1619)
at org.apache.hadoop.hbase.client.$Proxy24.createTable(Unknown Source)
at org.apache.hadoop.hbase.client.HBaseAdmin$2.call(HBaseAdmin.java:519)
at org.apache.hadoop.hbase.client.HBaseAdmin$2.call(HBaseAdmin.java:515)
at
org.apache.hadoop.hbase.client.HBaseAdmin.executeCallable(HBaseAdmin.java:2568)
at
org.apache.hadoop.hbase.client.HBaseAdmin.execute(HBaseAdmin.java:2543)
at
org.apache.hadoop.hbase.client.HBaseAdmin.createTableAsync(HBaseAdmin.java:515)
at
org.apache.hadoop.hbase.client.HBaseAdmin.createTable(HBaseAdmin.java:408)
at
org.apache.hadoop.hbase.client.HBaseAdmin.createTable(HBaseAdmin.java:344)
at
org.apache.hadoop.hbase.constraint.TestConstraint.testDisableConstraints(TestConstraint.java:185)
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: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.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
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$2.evaluate(ParentRunner.java:229)
at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
at
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:234)
at
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:133)
at
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:114)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:188)
at
org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:166)
at
org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:86)
at
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:101)
at
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:74)
Caused by: org.apache.hadoop.ipc.RemoteException: java.io.IOException:
java.lang.NullPointerException
at java.util.TreeSet.addAll(TreeSet.java:283)
at
org.apache.hadoop.hbase.zookeeper.lock.ZKInterProcessWriteLock.getLockPath(ZKInterProcessWriteLock.java:54)
at
org.apache.hadoop.hbase.zookeeper.lock.ZKInterProcessLockBase.tryAcquire(ZKInterProcessLockBase.java:180)
at
org.apache.hadoop.hbase.master.TableLockManager$ZKTableLockManager$TableLockImpl.acquire(TableLockManager.java:235)
at
org.apache.hadoop.hbase.master.handler.CreateTableHandler.prepare(CreateTableHandler.java:110)
at org.apache.hadoop.hbase.master.HMaster.createTable(HMaster.java:1520)
at org.apache.hadoop.hbase.master.HMaster.createTable(HMaster.java:1550)
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.apache.hadoop.hbase.ipc.ProtobufRpcServerEngine$Server.call(ProtobufRpcServerEngine.java:197)
at
org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1786)
at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:1304)
at
org.apache.hadoop.hbase.ipc.ProtobufRpcClientEngine$Invoker.invoke(ProtobufRpcClientEngine.java:139)
... 47 more
{code}
> NPE in TableLockManager
> -----------------------
>
> Key: HBASE-7933
> URL: https://issues.apache.org/jira/browse/HBASE-7933
> Project: HBase
> Issue Type: Bug
> Components: master, Zookeeper
> Reporter: Enis Soztutar
> Assignee: Enis Soztutar
> Fix For: 0.96.0
>
>
> We are getting NPE in TableLockManager sometimes in tests.
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