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https://issues.apache.org/jira/browse/HDFS-14742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17087537#comment-17087537
]
Akira Ajisaka commented on HDFS-14742:
--------------------------------------
Thank you for your report [~zhangchen]. I found the root cause and creating a
PR shortly.
> RBF:TestRouterFaultTolerant tests are flaky
> -------------------------------------------
>
> Key: HDFS-14742
> URL: https://issues.apache.org/jira/browse/HDFS-14742
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Chen Zhang
> Assignee: Chen Zhang
> Priority: Major
>
> [https://builds.apache.org/job/PreCommit-HDFS-Build/27516/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs-rbf.txt]
> {code:java}
> [ERROR] Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 3.665
> s <<< FAILURE! - in
> org.apache.hadoop.hdfs.server.federation.router.TestRouterFaultTolerant
> [ERROR]
> testWriteWithFailedSubcluster(org.apache.hadoop.hdfs.server.federation.router.TestRouterFaultTolerant)
> Time elapsed: 3.516 s <<< FAILURE!
> java.lang.AssertionError:
> Failed to run "Full tests":
> org.apache.hadoop.ipc.RemoteException(java.io.IOException): Cannot find
> locations for /HASH_ALL-failsubcluster, because the default nameservice is
> disabled to read or write
> at
> org.apache.hadoop.hdfs.server.federation.resolver.MountTableResolver.lookupLocation(MountTableResolver.java:425)
> at
> org.apache.hadoop.hdfs.server.federation.resolver.MountTableResolver$1.call(MountTableResolver.java:391)
> at
> org.apache.hadoop.hdfs.server.federation.resolver.MountTableResolver$1.call(MountTableResolver.java:388)
> at
> com.google.common.cache.LocalCache$LocalManualCache$1.load(LocalCache.java:4876)
> at
> com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3528)
> at
> com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2277)
> at
> com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2154)
> at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2044)
> at com.google.common.cache.LocalCache.get(LocalCache.java:3952)
> at
> com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4871)
> at
> org.apache.hadoop.hdfs.server.federation.resolver.MountTableResolver.getDestinationForPath(MountTableResolver.java:394)
> at
> org.apache.hadoop.hdfs.server.federation.resolver.MultipleDestinationMountTableResolver.getDestinationForPath(MultipleDestinationMountTableResolver.java:87)
> at
> org.apache.hadoop.hdfs.server.federation.router.RouterRpcServer.getLocationsForPath(RouterRpcServer.java:1498)
> at
> org.apache.hadoop.hdfs.server.federation.router.RouterClientProtocol.getListing(RouterClientProtocol.java:734)
> at
> org.apache.hadoop.hdfs.server.federation.router.RouterRpcServer.getListing(RouterRpcServer.java:827)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getListing(ClientNamenodeProtocolServerSideTranslatorPB.java:732)
> at
> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:529)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1070)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:1001)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:929)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1891)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2921)
> at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1553)
> at org.apache.hadoop.ipc.Client.call(Client.java:1499)
> at org.apache.hadoop.ipc.Client.call(Client.java:1396)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:233)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:118)
> at com.sun.proxy.$Proxy35.getListing(Unknown Source)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getListing(ClientNamenodeProtocolTranslatorPB.java:678)
> 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.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:422)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:165)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:157)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:95)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:359)
> at com.sun.proxy.$Proxy36.getListing(Unknown Source)
> at org.apache.hadoop.hdfs.DFSClient.listPaths(DFSClient.java:1665)
> at org.apache.hadoop.hdfs.DFSClient.listPaths(DFSClient.java:1649)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem.listStatusInternal(DistributedFileSystem.java:1058)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem.access$1000(DistributedFileSystem.java:131)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem$24.doCall(DistributedFileSystem.java:1122)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem$24.doCall(DistributedFileSystem.java:1119)
> at
> org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem.listStatus(DistributedFileSystem.java:1129)
> at
> org.apache.hadoop.hdfs.server.federation.router.TestRouterFaultTolerant.listStatus(TestRouterFaultTolerant.java:391)
> at
> org.apache.hadoop.hdfs.server.federation.router.TestRouterFaultTolerant.checkDirectoriesFaultTolerant(TestRouterFaultTolerant.java:284)
> at
> org.apache.hadoop.hdfs.server.federation.router.TestRouterFaultTolerant.testWriteWithFailedSubcluster(TestRouterFaultTolerant.java:250)
> at
> org.apache.hadoop.hdfs.server.federation.router.TestRouterFaultTolerant.lambda$testWriteWithFailedSubcluster$1(TestRouterFaultTolerant.java:221)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> at org.junit.Assert.fail(Assert.java:88)
> at
> org.apache.hadoop.hdfs.server.federation.router.TestRouterFaultTolerant.lambda$collectResults$8(TestRouterFaultTolerant.java:537)
> at java.util.ArrayList.forEach(ArrayList.java:1257)
> at
> org.apache.hadoop.hdfs.server.federation.router.TestRouterFaultTolerant.collectResults(TestRouterFaultTolerant.java:519)
> at
> org.apache.hadoop.hdfs.server.federation.router.TestRouterFaultTolerant.testWriteWithFailedSubcluster(TestRouterFaultTolerant.java:225)
> 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.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> 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.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
> at
> org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384)
> at
> org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345)
> at
> org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126)
> at
> org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418)
> {code}
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