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Date: Wed, 23 Aug 2017 18:21:00 +0000 (UTC)
From: "Xiaoyu Yao (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.13096160.1503096161000.103725.1503512460245@Atlassian.JIRA>
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References: <JIRA.13096160.1503096161000@Atlassian.JIRA> <JIRA.13096160.1503096161422@jira-lw-us.apache.org>
Subject: [jira] [Commented] (HDFS-12324) Ozone:
 TestQueryNode#testStaleNodesCount is failing.
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archived-at: Wed, 23 Aug 2017 18:21:06 -0000


    [ https://issues.apache.org/jira/browse/HDFS-12324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16138825#comment-16138825 ] 

Xiaoyu Yao commented on HDFS-12324:
-----------------------------------

New stack after HDFS-12216, where {{MiniOzoneCluster#restartDataNode}} will call {{MiniDFSCluster#waitActive()}} and eventually timeout. Before HDFS-12216, the test passed because we don't check wait for cluster active for restartDataNode. 

Since the each individual test in TestQueryNode will create its own Mini cluster, I think we can fix the test by removing the two restartDatanode calls. cc: [~anu]/[~msingh].

{code}
Java.lang.Exception: test timed out after 10000 milliseconds

	at java.lang.Thread.sleep(Native Method)
	at org.apache.hadoop.hdfs.MiniDFSCluster.waitActive(MiniDFSCluster.java:2572)
	at org.apache.hadoop.hdfs.MiniDFSCluster.waitActive(MiniDFSCluster.java:2612)
	at org.apache.hadoop.ozone.MiniOzoneCluster.restartDataNode(MiniOzoneCluster.java:170)
	at org.apache.hadoop.ozone.MiniOzoneCluster.restartDataNode(MiniOzoneCluster.java:149)
	at org.apache.hadoop.ozone.scm.node.TestQueryNode.testStaleNodesCount(TestQueryNode.java:120)
	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$1.runReflectiveCall(FrameworkMethod.java:47)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)

2017-08-23 11:15:43,287 [Thread-412] WARN  hdfs.MiniDFSCluster (MiniDFSCluster.java:waitActive(2618)) - Tried waitActive() 2 time(s) and failed, giving up.  java.net.ConnectException: Call From hw11717.local/192.168.2.135 to localhost:56981 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused
	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:423)
	at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:815)
	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:746)
	at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1494)
	at org.apache.hadoop.ipc.Client.call(Client.java:1436)
	at org.apache.hadoop.ipc.Client.call(Client.java:1346)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:228)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:116)
	at com.sun.proxy.$Proxy79.getDatanodeReport(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getDatanodeReport(ClientNamenodeProtocolTranslatorPB.java:719)
	at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:422)
	at org.apache.hadoop.io.retry.RetryInvocationHandler$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.$Proxy82.getDatanodeReport(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.datanodeReport(DFSClient.java:1968)
	at org.apache.hadoop.hdfs.MiniDFSCluster.waitActive(MiniDFSCluster.java:2569)
	at org.apache.hadoop.hdfs.MiniDFSCluster.waitActive(MiniDFSCluster.java:2612)
	at org.apache.hadoop.ozone.MiniOzoneCluster.restartDataNode(MiniOzoneCluster.java:170)
	at org.apache.hadoop.ozone.MiniOzoneCluster.restartDataNode(MiniOzoneCluster.java:149)
	at org.apache.hadoop.ozone.scm.node.TestQueryNode.testStaleNodesCount(TestQueryNode.java:120)
	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$1.runReflectiveCall(FrameworkMethod.java:47)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
Caused by: java.net.ConnectException: Connection refused
{code}

> Ozone: TestQueryNode#testStaleNodesCount is failing.
> ----------------------------------------------------
>
>                 Key: HDFS-12324
>                 URL: https://issues.apache.org/jira/browse/HDFS-12324
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: HDFS-7240
>            Reporter: Xiaoyu Yao
>            Assignee: Xiaoyu Yao
>
> The test failed consistently with NPE. This ticket is opened to fix it. 


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