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Posted to yarn-dev@hadoop.apache.org by Apache Jenkins Server <je...@builds.apache.org> on 2014/12/16 20:40:46 UTC

Failed: YARN-313 PreCommit Build #6121

Jira: https://issues.apache.org/jira/browse/YARN-313
Build: https://builds.apache.org/job/PreCommit-YARN-Build/6121/

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########################## LAST 60 LINES OF THE CONSOLE ###########################
[...truncated 3899 lines...]

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 4 new or modified test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:red}-1 findbugs{color}.  The patch appears to introduce 49 new Findbugs (version 2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager:

                  org.apache.hadoop.yarn.client.TestResourceTrackerOnHA
                  org.apache.hadoop.yarn.client.TestApplicationClientProtocolOnHA

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/6121//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-YARN-Build/6121//artifact/patchprocess/newPatchFindbugsWarningshadoop-yarn-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-YARN-Build/6121//artifact/patchprocess/newPatchFindbugsWarningshadoop-yarn-server-resourcemanager.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-YARN-Build/6121//artifact/patchprocess/newPatchFindbugsWarningshadoop-yarn-common.html
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/6121//console

This message is automatically generated.


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    Adding comment to Jira.
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Comment added.
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======================================================================
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    Finished build.
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======================================================================


Build step 'Execute shell' marked build as failure
Archiving artifacts
Sending artifact delta relative to PreCommit-YARN-Build #6051
Archived 30 artifacts
Archive block size is 32768
Received 150 blocks and 4844532 bytes
Compression is 50.4%
Took 1.4 sec
[description-setter] Could not determine description.
Recording test results
Email was triggered for: Failure
Sending email for trigger: Failure



###################################################################################
############################## FAILED TESTS (if any) ##############################
8 tests failed.
FAILED:  org.apache.hadoop.yarn.client.TestApplicationClientProtocolOnHA.testGetContainersOnHA

Error Message:
Call From asf905.gq1.ygridcore.net/67.195.81.149 to asf905.gq1.ygridcore.net:28032 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused

Stack Trace:
java.net.ConnectException: Call From asf905.gq1.ygridcore.net/67.195.81.149 to asf905.gq1.ygridcore.net:28032 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused
	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
	at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:530)
	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:494)
	at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:607)
	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:705)
	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:368)
	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1521)
	at org.apache.hadoop.ipc.Client.call(Client.java:1438)
	at org.apache.hadoop.ipc.Client.call(Client.java:1399)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:230)
	at com.sun.proxy.$Proxy17.getContainers(Unknown Source)
	at org.apache.hadoop.yarn.api.impl.pb.client.ApplicationClientProtocolPBClientImpl.getContainers(ApplicationClientProtocolPBClientImpl.java:410)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy18.getContainers(Unknown Source)
	at org.apache.hadoop.yarn.client.api.impl.YarnClientImpl.getContainers(YarnClientImpl.java:654)
	at org.apache.hadoop.yarn.client.TestApplicationClientProtocolOnHA.testGetContainersOnHA(TestApplicationClientProtocolOnHA.java:154)


FAILED:  org.apache.hadoop.yarn.client.TestApplicationClientProtocolOnHA.testGetNewApplicationOnHA

Error Message:
Call From asf905.gq1.ygridcore.net/67.195.81.149 to asf905.gq1.ygridcore.net:28032 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused

Stack Trace:
java.net.ConnectException: Call From asf905.gq1.ygridcore.net/67.195.81.149 to asf905.gq1.ygridcore.net:28032 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused
	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
	at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:530)
	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:494)
	at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:607)
	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:705)
	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:368)
	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1521)
	at org.apache.hadoop.ipc.Client.call(Client.java:1438)
	at org.apache.hadoop.ipc.Client.call(Client.java:1399)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:230)
	at com.sun.proxy.$Proxy17.getNewApplication(Unknown Source)
	at org.apache.hadoop.yarn.api.impl.pb.client.ApplicationClientProtocolPBClientImpl.getNewApplication(ApplicationClientProtocolPBClientImpl.java:217)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy18.getNewApplication(Unknown Source)
	at org.apache.hadoop.yarn.client.api.impl.YarnClientImpl.getNewApplication(YarnClientImpl.java:206)
	at org.apache.hadoop.yarn.client.api.impl.YarnClientImpl.createApplication(YarnClientImpl.java:214)
	at org.apache.hadoop.yarn.client.TestApplicationClientProtocolOnHA.testGetNewApplicationOnHA(TestApplicationClientProtocolOnHA.java:76)


FAILED:  org.apache.hadoop.yarn.client.TestApplicationClientProtocolOnHA.testSubmitApplicationOnHA

Error Message:
Call From asf905.gq1.ygridcore.net/67.195.81.149 to asf905.gq1.ygridcore.net:28032 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused

Stack Trace:
java.net.ConnectException: Call From asf905.gq1.ygridcore.net/67.195.81.149 to asf905.gq1.ygridcore.net:28032 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused
	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
	at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:530)
	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:494)
	at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:607)
	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:705)
	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:368)
	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1521)
	at org.apache.hadoop.ipc.Client.call(Client.java:1438)
	at org.apache.hadoop.ipc.Client.call(Client.java:1399)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:230)
	at com.sun.proxy.$Proxy17.submitApplication(Unknown Source)
	at org.apache.hadoop.yarn.api.impl.pb.client.ApplicationClientProtocolPBClientImpl.submitApplication(ApplicationClientProtocolPBClientImpl.java:232)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy18.submitApplication(Unknown Source)
	at org.apache.hadoop.yarn.client.api.impl.YarnClientImpl.submitApplication(YarnClientImpl.java:240)
	at org.apache.hadoop.yarn.client.TestApplicationClientProtocolOnHA.testSubmitApplicationOnHA(TestApplicationClientProtocolOnHA.java:173)


FAILED:  org.apache.hadoop.yarn.client.TestApplicationClientProtocolOnHA.testGetApplicationReportOnHA

Error Message:
Call From asf905.gq1.ygridcore.net/67.195.81.149 to asf905.gq1.ygridcore.net:28032 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused

Stack Trace:
java.net.ConnectException: Call From asf905.gq1.ygridcore.net/67.195.81.149 to asf905.gq1.ygridcore.net:28032 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused
	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
	at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:530)
	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:494)
	at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:607)
	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:705)
	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:368)
	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1521)
	at org.apache.hadoop.ipc.Client.call(Client.java:1438)
	at org.apache.hadoop.ipc.Client.call(Client.java:1399)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:230)
	at com.sun.proxy.$Proxy17.getApplicationReport(Unknown Source)
	at org.apache.hadoop.yarn.api.impl.pb.client.ApplicationClientProtocolPBClientImpl.getApplicationReport(ApplicationClientProtocolPBClientImpl.java:187)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy18.getApplicationReport(Unknown Source)
	at org.apache.hadoop.yarn.client.api.impl.YarnClientImpl.getApplicationReport(YarnClientImpl.java:399)
	at org.apache.hadoop.yarn.client.TestApplicationClientProtocolOnHA.testGetApplicationReportOnHA(TestApplicationClientProtocolOnHA.java:68)


FAILED:  org.apache.hadoop.yarn.client.TestApplicationClientProtocolOnHA.testGetQueueInfoOnHA

Error Message:
Call From asf905.gq1.ygridcore.net/67.195.81.149 to asf905.gq1.ygridcore.net:28032 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused

Stack Trace:
java.net.ConnectException: Call From asf905.gq1.ygridcore.net/67.195.81.149 to asf905.gq1.ygridcore.net:28032 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused
	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
	at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:530)
	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:494)
	at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:607)
	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:705)
	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:368)
	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1521)
	at org.apache.hadoop.ipc.Client.call(Client.java:1438)
	at org.apache.hadoop.ipc.Client.call(Client.java:1399)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:230)
	at com.sun.proxy.$Proxy17.getQueueInfo(Unknown Source)
	at org.apache.hadoop.yarn.api.impl.pb.client.ApplicationClientProtocolPBClientImpl.getQueueInfo(ApplicationClientProtocolPBClientImpl.java:276)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy18.getQueueInfo(Unknown Source)
	at org.apache.hadoop.yarn.client.api.impl.YarnClientImpl.getQueueInfo(YarnClientImpl.java:509)
	at org.apache.hadoop.yarn.client.TestApplicationClientProtocolOnHA.testGetQueueInfoOnHA(TestApplicationClientProtocolOnHA.java:111)


FAILED:  org.apache.hadoop.yarn.client.TestApplicationClientProtocolOnHA.testGetContainerReportOnHA

Error Message:
Call From asf905.gq1.ygridcore.net/67.195.81.149 to asf905.gq1.ygridcore.net:28032 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused

Stack Trace:
java.net.ConnectException: Call From asf905.gq1.ygridcore.net/67.195.81.149 to asf905.gq1.ygridcore.net:28032 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused
	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
	at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:530)
	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:494)
	at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:607)
	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:705)
	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:368)
	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1521)
	at org.apache.hadoop.ipc.Client.call(Client.java:1438)
	at org.apache.hadoop.ipc.Client.call(Client.java:1399)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:230)
	at com.sun.proxy.$Proxy17.getContainerReport(Unknown Source)
	at org.apache.hadoop.yarn.api.impl.pb.client.ApplicationClientProtocolPBClientImpl.getContainerReport(ApplicationClientProtocolPBClientImpl.java:396)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy18.getContainerReport(Unknown Source)
	at org.apache.hadoop.yarn.client.api.impl.YarnClientImpl.getContainerReport(YarnClientImpl.java:629)
	at org.apache.hadoop.yarn.client.TestApplicationClientProtocolOnHA.testGetContainerReportOnHA(TestApplicationClientProtocolOnHA.java:146)


FAILED:  org.apache.hadoop.yarn.client.TestApplicationClientProtocolOnHA.testGetClusterMetricsOnHA

Error Message:
Call From asf905.gq1.ygridcore.net/67.195.81.149 to asf905.gq1.ygridcore.net:28032 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused

Stack Trace:
java.net.ConnectException: Call From asf905.gq1.ygridcore.net/67.195.81.149 to asf905.gq1.ygridcore.net:28032 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused
	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
	at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:530)
	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:494)
	at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:607)
	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:705)
	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:368)
	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1521)
	at org.apache.hadoop.ipc.Client.call(Client.java:1438)
	at org.apache.hadoop.ipc.Client.call(Client.java:1399)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:230)
	at com.sun.proxy.$Proxy17.getClusterMetrics(Unknown Source)
	at org.apache.hadoop.yarn.api.impl.pb.client.ApplicationClientProtocolPBClientImpl.getClusterMetrics(ApplicationClientProtocolPBClientImpl.java:202)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy18.getClusterMetrics(Unknown Source)
	at org.apache.hadoop.yarn.client.api.impl.YarnClientImpl.getYarnClusterMetrics(YarnClientImpl.java:461)
	at org.apache.hadoop.yarn.client.TestApplicationClientProtocolOnHA.testGetClusterMetricsOnHA(TestApplicationClientProtocolOnHA.java:85)


FAILED:  org.apache.hadoop.yarn.client.TestResourceTrackerOnHA.testResourceTrackerOnHA

Error Message:
Call From asf905.gq1.ygridcore.net/67.195.81.149 to asf905.gq1.ygridcore.net:28031 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused

Stack Trace:
java.net.ConnectException: Call From asf905.gq1.ygridcore.net/67.195.81.149 to asf905.gq1.ygridcore.net:28031 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused
	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
	at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:530)
	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:494)
	at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:607)
	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:705)
	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:368)
	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1521)
	at org.apache.hadoop.ipc.Client.call(Client.java:1438)
	at org.apache.hadoop.ipc.Client.call(Client.java:1399)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:230)
	at com.sun.proxy.$Proxy87.registerNodeManager(Unknown Source)
	at org.apache.hadoop.yarn.server.api.impl.pb.client.ResourceTrackerPBClientImpl.registerNodeManager(ResourceTrackerPBClientImpl.java:68)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy88.registerNodeManager(Unknown Source)
	at org.apache.hadoop.yarn.client.TestResourceTrackerOnHA.testResourceTrackerOnHA(TestResourceTrackerOnHA.java:64)