[jira] [Commented] (MAPREDUCE-4703) Add the ability to start the MiniMRClientCluster using the configurations used before it is being stopped.

["Alejandro Abdelnur (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13528120#comment-13528120 ] 

Alejandro Abdelnur commented on MAPREDUCE-4703:
-----------------------------------------------

Thanks Ahmed. I've committed to trunk and branch-2 after running the tests. 

However, when trying to run the test with the branch-1 patch the test is failing with the following output.

Would you please take a look at it? I'll hold off committing to branch-1 until this is addressed. Leaving the JIRA open as well.

{code}
Testcase: testJob took 14.387 sec
Testcase: testRestart took 7.333 sec
	Caused an ERROR
java.io.IOException: Call to localhost/127.0.0.1:59747 failed on local exception: java.io.EOFException
java.lang.RuntimeException: java.io.IOException: Call to localhost/127.0.0.1:59747 failed on local exception: java.io.EOFException
	at org.apache.hadoop.mapred.MiniMRCluster.waitUntilIdle(MiniMRCluster.java:325)
	at org.apache.hadoop.mapred.MiniMRCluster.<init>(MiniMRCluster.java:527)
	at org.apache.hadoop.mapred.MiniMRCluster.<init>(MiniMRCluster.java:465)
	at org.apache.hadoop.mapred.MiniMRCluster.<init>(MiniMRCluster.java:457)
	at org.apache.hadoop.mapred.MiniMRCluster.<init>(MiniMRCluster.java:449)
	at org.apache.hadoop.mapred.MiniMRCluster.<init>(MiniMRCluster.java:439)
	at org.apache.hadoop.mapred.MiniMRCluster.<init>(MiniMRCluster.java:429)
	at org.apache.hadoop.mapred.MiniMRClusterAdapter.restart(MiniMRClusterAdapter.java:80)
	at org.apache.hadoop.mapred.TestMiniMRClientCluster.testRestart(TestMiniMRClientCluster.java:109)
Caused by: java.io.IOException: Call to localhost/127.0.0.1:59747 failed on local exception: java.io.EOFException
	at org.apache.hadoop.ipc.Client.wrapException(Client.java:1144)
	at org.apache.hadoop.ipc.Client.call(Client.java:1112)
	at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:229)
	at org.apache.hadoop.mapred.$Proxy10.getProtocolVersion(Unknown Source)
	at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:411)
	at org.apache.hadoop.mapred.JobClient.createRPCProxy(JobClient.java:505)
	at org.apache.hadoop.mapred.JobClient.init(JobClient.java:496)
	at org.apache.hadoop.mapred.JobClient.<init>(JobClient.java:479)
	at org.apache.hadoop.mapred.MiniMRCluster.waitUntilIdle(MiniMRCluster.java:311)
Caused by: java.io.EOFException
	at java.io.DataInputStream.readInt(DataInputStream.java:375)
	at org.apache.hadoop.ipc.Client$Connection.receiveResponse(Client.java:841)
	at org.apache.hadoop.ipc.Client$Connection.run(Client.java:786)
{code}
                
> Add the ability to start the MiniMRClientCluster using the configurations used before it is being stopped.
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4703
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4703
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv1, mrv2, test
>            Reporter: Ahmed Radwan
>            Assignee: Ahmed Radwan
>         Attachments: MAPREDUCE-4703_branch-1.patch, MAPREDUCE-4703_branch-1_rev2.patch, MAPREDUCE-4703.patch, MAPREDUCE-4703_rev2.patch, MAPREDUCE-4703_rev3.patch
>
>
> The objective here is to enable starting back the cluster, after being stopped, using the same configurations/port numbers used before stopping.

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