See https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/182/
################################################################################### ########################## LAST 60 LINES OF THE CONSOLE ########################### [...truncated 7489 lines...] [INFO] [INFO] --- maven-source-plugin:2.3:jar-no-fork (hadoop-java-sources) @ hadoop-hdfs-project --- [INFO] [INFO] --- maven-source-plugin:2.3:test-jar-no-fork (hadoop-java-sources) @ hadoop-hdfs-project --- [INFO] [INFO] --- maven-enforcer-plugin:1.3.1:enforce (dist-enforce) @ hadoop-hdfs-project --- [INFO] [INFO] --- maven-site-plugin:3.4:attach-descriptor (attach-descriptor) @ hadoop-hdfs-project --- [INFO] [INFO] --- maven-javadoc-plugin:2.8.1:jar (module-javadocs) @ hadoop-hdfs-project --- [INFO] Not executing Javadoc as the project is not a Java classpath-capable package [INFO] [INFO] --- maven-enforcer-plugin:1.3.1:enforce (depcheck) @ hadoop-hdfs-project --- [INFO] [INFO] --- maven-checkstyle-plugin:2.15:checkstyle (default-cli) @ hadoop-hdfs-project --- [INFO] [INFO] --- findbugs-maven-plugin:3.0.0:findbugs (default-cli) @ hadoop-hdfs-project --- [INFO] ------------------------------------------------------------------------ [INFO] Reactor Summary: [INFO] [INFO] Apache Hadoop HDFS Client ......................... SUCCESS [ 46.991 s] [INFO] Apache Hadoop HDFS ................................ FAILURE [ 02:50 h] [INFO] Apache Hadoop HttpFS .............................. SKIPPED [INFO] Apache Hadoop HDFS BookKeeper Journal ............. SKIPPED [INFO] Apache Hadoop HDFS-NFS ............................ SKIPPED [INFO] Apache Hadoop HDFS Project ........................ SUCCESS [ 0.057 s] [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 02:51 h [INFO] Finished at: 2015-05-11T14:25:51+00:00 [INFO] Final Memory: 52M/260M [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.17:test (default-test) on project hadoop-hdfs: There are test failures. [ERROR] [ERROR] Please refer to /home/jenkins/jenkins-slave/workspace/Hadoop-Hdfs-trunk-Java8/hadoop-hdfs-project/hadoop-hdfs/target/surefire-reports for the individual test results. [ERROR] -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException [ERROR] [ERROR] After correcting the problems, you can resume the build with the command [ERROR] mvn <goals> -rf :hadoop-hdfs Build step 'Execute shell' marked build as failure Archiving artifacts Sending artifact delta relative to Hadoop-Hdfs-trunk-Java8 #175 Archived 1 artifacts Archive block size is 32768 Received 0 blocks and 797562 bytes Compression is 0.0% Took 25 sec Recording test results Updating HDFS-8351 Sending e-mails to: hdfs-dev@hadoop.apache.org Email was triggered for: Failure Sending email for trigger: Failure ################################################################################### ############################## FAILED TESTS (if any) ############################## 6 tests failed. REGRESSION: org.apache.hadoop.hdfs.TestLeaseRecovery2.testHardLeaseRecoveryWithRenameAfterNameNodeRestart Error Message: org.apache.hadoop.util.ExitUtil$ExitException: Could not sync enough journals to persistent storage due to No journals available to flush. Unsynced transactions: 1 at org.apache.hadoop.util.ExitUtil.terminate(ExitUtil.java:126) at org.apache.hadoop.hdfs.server.namenode.FSEditLog.logSync(FSEditLog.java:631) at org.apache.hadoop.hdfs.server.namenode.FSEditLog.endCurrentLogSegment(FSEditLog.java:1298) at org.apache.hadoop.hdfs.server.namenode.FSEditLog.close(FSEditLog.java:362) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.stopActiveServices(FSNamesystem.java:1241) at org.apache.hadoop.hdfs.server.namenode.NameNode$NameNodeHAContext.stopActiveServices(NameNode.java:1728) at org.apache.hadoop.hdfs.server.namenode.ha.ActiveState.exitState(ActiveState.java:70) at org.apache.hadoop.hdfs.server.namenode.NameNode.stop(NameNode.java:866) at org.apache.hadoop.hdfs.MiniDFSCluster.shutdownNameNode(MiniDFSCluster.java:1796) at org.apache.hadoop.hdfs.MiniDFSCluster.restartNameNode(MiniDFSCluster.java:1847) at org.apache.hadoop.hdfs.MiniDFSCluster.restartNameNode(MiniDFSCluster.java:1827) at org.apache.hadoop.hdfs.TestLeaseRecovery2.hardLeaseRecoveryRestartHelper(TestLeaseRecovery2.java:493) at org.apache.hadoop.hdfs.TestLeaseRecovery2.testHardLeaseRecoveryWithRenameAfterNameNodeRestart(TestLeaseRecovery2.java:432) 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:483) 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.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$2.evaluate(ParentRunner.java:229) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) at org.junit.runners.ParentRunner.run(ParentRunner.java:309) at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:264) at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153) at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:124) at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:200) at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:153) at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103) Stack Trace: org.apache.hadoop.util.ExitUtil$ExitException: org.apache.hadoop.util.ExitUtil$ExitException: Could not sync enough journals to persistent storage due to No journals available to flush. Unsynced transactions: 1 at org.apache.hadoop.util.ExitUtil.terminate(ExitUtil.java:126) at org.apache.hadoop.hdfs.server.namenode.FSEditLog.logSync(FSEditLog.java:631) at org.apache.hadoop.hdfs.server.namenode.FSEditLog.endCurrentLogSegment(FSEditLog.java:1298) at org.apache.hadoop.hdfs.server.namenode.FSEditLog.close(FSEditLog.java:362) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.stopActiveServices(FSNamesystem.java:1241) at org.apache.hadoop.hdfs.server.namenode.NameNode$NameNodeHAContext.stopActiveServices(NameNode.java:1728) at org.apache.hadoop.hdfs.server.namenode.ha.ActiveState.exitState(ActiveState.java:70) at org.apache.hadoop.hdfs.server.namenode.NameNode.stop(NameNode.java:866) at org.apache.hadoop.hdfs.MiniDFSCluster.shutdownNameNode(MiniDFSCluster.java:1796) at org.apache.hadoop.hdfs.MiniDFSCluster.restartNameNode(MiniDFSCluster.java:1847) at org.apache.hadoop.hdfs.MiniDFSCluster.restartNameNode(MiniDFSCluster.java:1827) at org.apache.hadoop.hdfs.TestLeaseRecovery2.hardLeaseRecoveryRestartHelper(TestLeaseRecovery2.java:493) at org.apache.hadoop.hdfs.TestLeaseRecovery2.testHardLeaseRecoveryWithRenameAfterNameNodeRestart(TestLeaseRecovery2.java:432) 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:483) 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.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$2.evaluate(ParentRunner.java:229) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) at org.junit.runners.ParentRunner.run(ParentRunner.java:309) at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:264) at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153) at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:124) at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:200) at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:153) at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103) at org.apache.hadoop.util.ExitUtil.terminate(ExitUtil.java:126) at org.apache.hadoop.util.ExitUtil.terminate(ExitUtil.java:170) at org.apache.hadoop.hdfs.server.namenode.NameNode.doImmediateShutdown(NameNode.java:1697) at org.apache.hadoop.hdfs.server.namenode.NameNode$NameNodeHAContext.stopActiveServices(NameNode.java:1732) at org.apache.hadoop.hdfs.server.namenode.ha.ActiveState.exitState(ActiveState.java:70) at org.apache.hadoop.hdfs.server.namenode.NameNode.stop(NameNode.java:866) at org.apache.hadoop.hdfs.MiniDFSCluster.shutdownNameNode(MiniDFSCluster.java:1796) at org.apache.hadoop.hdfs.MiniDFSCluster.restartNameNode(MiniDFSCluster.java:1847) at org.apache.hadoop.hdfs.MiniDFSCluster.restartNameNode(MiniDFSCluster.java:1827) at org.apache.hadoop.hdfs.TestLeaseRecovery2.hardLeaseRecoveryRestartHelper(TestLeaseRecovery2.java:493) at org.apache.hadoop.hdfs.TestLeaseRecovery2.testHardLeaseRecoveryWithRenameAfterNameNodeRestart(TestLeaseRecovery2.java:432) REGRESSION: org.apache.hadoop.hdfs.TestLeaseRecovery2.testLeaseRecoverByAnotherUser Error Message: Lease monitor is not running Stack Trace: java.lang.IllegalStateException: Lease monitor is not running at com.google.common.base.Preconditions.checkState(Preconditions.java:145) at org.apache.hadoop.hdfs.server.namenode.LeaseManager.triggerMonitorCheckNow(LeaseManager.java:434) at org.apache.hadoop.hdfs.server.namenode.NameNodeAdapter.setLeasePeriod(NameNodeAdapter.java:135) at org.apache.hadoop.hdfs.MiniDFSCluster.setLeasePeriod(MiniDFSCluster.java:2436) at org.apache.hadoop.hdfs.TestLeaseRecovery2.testLeaseRecoverByAnotherUser(TestLeaseRecovery2.java:158) REGRESSION: org.apache.hadoop.hdfs.TestLeaseRecovery2.testHardLeaseRecovery Error Message: End of File Exception between local host is: "asf905.gq1.ygridcore.net/67.195.81.149"; destination host is: "localhost":49352; : java.io.EOFException; For more details see: http://wiki.apache.org/hadoop/EOFException Stack Trace: java.io.EOFException: End of File Exception between local host is: "asf905.gq1.ygridcore.net/67.195.81.149"; destination host is: "localhost":49352; : java.io.EOFException; For more details see: http://wiki.apache.org/hadoop/EOFException at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:408) at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:792) at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:765) at org.apache.hadoop.ipc.Client.call(Client.java:1496) at org.apache.hadoop.ipc.Client.call(Client.java:1423) at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229) at com.sun.proxy.$Proxy20.create(Unknown Source) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.create(ClientNamenodeProtocolTranslatorPB.java:296) 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:483) at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186) at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101) at com.sun.proxy.$Proxy21.create(Unknown Source) at org.apache.hadoop.hdfs.DFSOutputStream.newStreamForCreate(DFSOutputStream.java:237) at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:1350) at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:1281) at org.apache.hadoop.hdfs.DistributedFileSystem$7.doCall(DistributedFileSystem.java:450) at org.apache.hadoop.hdfs.DistributedFileSystem$7.doCall(DistributedFileSystem.java:446) at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81) at org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:461) at org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:389) at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:909) at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:890) at org.apache.hadoop.hdfs.TestLeaseRecovery2.testHardLeaseRecovery(TestLeaseRecovery2.java:275) Caused by: java.io.EOFException: null at java.io.DataInputStream.readInt(DataInputStream.java:392) at org.apache.hadoop.ipc.Client$Connection.receiveRpcResponse(Client.java:1095) at org.apache.hadoop.ipc.Client$Connection.run(Client.java:990) FAILED: org.apache.hadoop.hdfs.TestLeaseRecovery2.org.apache.hadoop.hdfs.TestLeaseRecovery2 Error Message: Test resulted in an unexpected exit Stack Trace: java.lang.AssertionError: Test resulted in an unexpected exit at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1734) at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1721) at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1714) at org.apache.hadoop.hdfs.TestLeaseRecovery2.tearDown(TestLeaseRecovery2.java:104) FAILED: org.apache.hadoop.hdfs.tools.TestHdfsConfigFields.testCompareXmlAgainstConfigurationClass Error Message: hdfs-default.xml has 2 properties missing in class org.apache.hadoop.hdfs.DFSConfigKeys Stack Trace: java.lang.AssertionError: hdfs-default.xml has 2 properties missing in class org.apache.hadoop.hdfs.DFSConfigKeys at org.junit.Assert.fail(Assert.java:88) at org.junit.Assert.assertTrue(Assert.java:41) at org.apache.hadoop.conf.TestConfigurationFieldsBase.testCompareXmlAgainstConfigurationClass(TestConfigurationFieldsBase.java:468) 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:483) 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.RunBefores.evaluate(RunBefores.java:26) 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$2.evaluate(ParentRunner.java:229) at org.junit.runners.ParentRunner.run(ParentRunner.java:309) at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:264) at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153) at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:124) at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:200) at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:153) at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103) FAILED: org.apache.hadoop.tracing.TestTraceAdmin.testCreateAndDestroySpanReceiver Error Message: Failed to load SpanReceiver org.apache.htrace.impl.LocalFileSpanReceiver at org.apache.hadoop.tracing.SpanReceiverHost.loadInstance(SpanReceiverHost.java:171) at org.apache.hadoop.tracing.SpanReceiverHost.addSpanReceiver(SpanReceiverHost.java:216) at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addSpanReceiver(NameNodeRpcServer.java:2029) at org.apache.hadoop.tracing.TraceAdminProtocolServerSideTranslatorPB.addSpanReceiver(TraceAdminProtocolServerSideTranslatorPB.java:81) at org.apache.hadoop.tracing.TraceAdminPB$TraceAdminService$2.callBlockingMethod(TraceAdminPB.java:4580) at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:976) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2174) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2170) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2170) Stack Trace: org.apache.hadoop.ipc.RemoteException: Failed to load SpanReceiver org.apache.htrace.impl.LocalFileSpanReceiver at org.apache.hadoop.tracing.SpanReceiverHost.loadInstance(SpanReceiverHost.java:171) at org.apache.hadoop.tracing.SpanReceiverHost.addSpanReceiver(SpanReceiverHost.java:216) at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addSpanReceiver(NameNodeRpcServer.java:2029) at org.apache.hadoop.tracing.TraceAdminProtocolServerSideTranslatorPB.addSpanReceiver(TraceAdminProtocolServerSideTranslatorPB.java:81) at org.apache.hadoop.tracing.TraceAdminPB$TraceAdminService$2.callBlockingMethod(TraceAdminPB.java:4580) at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:976) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2174) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2170) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2170) at org.apache.hadoop.ipc.Client.call(Client.java:1492) at org.apache.hadoop.ipc.Client.call(Client.java:1423) at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229) at com.sun.proxy.$Proxy20.addSpanReceiver(Unknown Source) at org.apache.hadoop.tracing.TraceAdminProtocolTranslatorPB.addSpanReceiver(TraceAdminProtocolTranslatorPB.java:82) at org.apache.hadoop.tracing.TraceAdmin.addSpanReceiver(TraceAdmin.java:120) at org.apache.hadoop.tracing.TraceAdmin.run(TraceAdmin.java:182) at org.apache.hadoop.tracing.TestTraceAdmin.runTraceCommand(TestTraceAdmin.java:44) at org.apache.hadoop.tracing.TestTraceAdmin.testCreateAndDestroySpanReceiver(TestTraceAdmin.java:76)
