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https://issues.apache.org/jira/browse/YARN-4350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15059377#comment-15059377
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Naganarasimha G R commented on YARN-4350:
-----------------------------------------
hi [~sjlee0],
In my local setup at least i was able to see this and expect it to happen in
other setup too, Basically during initialization we are writing the
configurations into a file in the classpath,
{code}
Configuration yarnClusterConfig = yarnCluster.getConfig();
yarnClusterConfig.set("yarn.application.classpath", new
File(url.getPath()).getParent());
//write the document to a buffer (not directly to the file, as that
//can cause the file being written to get read -which will then fail.
ByteArrayOutputStream bytesOut = new ByteArrayOutputStream();
yarnClusterConfig.writeXml(bytesOut);
bytesOut.close();
//write the bytes to the file in the classpath
OutputStream os = new FileOutputStream(new File(url.getPath()));
os.write(bytesOut.toByteArray());
os.close();
{code}
So in the next run when this previous "yarn-site.xml" property gets loaded then
it overrides the default hence i was facing issue as v2 publisher was getting
set.
New issue which is reported by jenkins seems to be different need to take a
look!
> TestDistributedShell fails
> --------------------------
>
> Key: YARN-4350
> URL: https://issues.apache.org/jira/browse/YARN-4350
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: timelineserver
> Affects Versions: YARN-2928
> Reporter: Sangjin Lee
> Assignee: Naganarasimha G R
> Attachments: YARN-4350-feature-YARN-2928.001.patch,
> YARN-4350-feature-YARN-2928.002.patch, YARN-4350-feature-YARN-2928.003.patch
>
>
> Currently TestDistributedShell does not pass on the feature-YARN-2928 branch.
> There seem to be 2 distinct issues.
> (1) testDSShellWithoutDomainV2* tests fail sporadically
> These test fail more often than not if tested by themselves:
> {noformat}
> testDSShellWithoutDomainV2DefaultFlow(org.apache.hadoop.yarn.applications.distributedshell.TestDistributedShell)
> Time elapsed: 30.998 sec <<< FAILURE!
> java.lang.AssertionError: Application created event should be published
> atleast once expected:<1> but was:<0>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:743)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:555)
> at
> org.apache.hadoop.yarn.applications.distributedshell.TestDistributedShell.checkTimelineV2(TestDistributedShell.java:451)
> at
> org.apache.hadoop.yarn.applications.distributedshell.TestDistributedShell.testDSShell(TestDistributedShell.java:326)
> at
> org.apache.hadoop.yarn.applications.distributedshell.TestDistributedShell.testDSShellWithoutDomainV2DefaultFlow(TestDistributedShell.java:207)
> {noformat}
> They start happening after YARN-4129. I suspect this might have to do with
> some timing issue.
> (2) the whole test times out
> If you run the whole TestDistributedShell test, it times out without fail.
> This may or may not have to do with the port change introduced by YARN-2859
> (just a hunch).
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