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https://issues.apache.org/jira/browse/YARN-7063?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16162210#comment-16162210
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Haibo Chen commented on YARN-7063:
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bq. Do we have any other option?
Agree with you there is no other option.
bq. this code would have to be retained.
Do you mind removing the last sentence of the comment in this case?
> TestTimelineReaderWebServicesHBaseStorage fails with NoClassDefFoundError on
> TSv2 branch2
> -----------------------------------------------------------------------------------------
>
> Key: YARN-7063
> URL: https://issues.apache.org/jira/browse/YARN-7063
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: timelineserver
> Reporter: Vrushali C
> Assignee: Varun Saxena
> Attachments: YARN-7063-YARN-5355_branch2.01.patch
>
>
> Seeing NoClassDefFound on the branch2 at runtime
> Stack trace
> {code}
> java.lang.NoClassDefFoundError:
> org/apache/hadoop/security/AuthenticationWithProxyUserFilter
> at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
> at
> org.apache.hadoop.yarn.server.timelineservice.reader.security.TimelineReaderAuthenticationFilterInitializer.initFilter(TimelineReaderAuthenticationFilterInitializer.java:49)
> at
> org.apache.hadoop.http.HttpServer2.initializeWebServer(HttpServer2.java:393)
> at org.apache.hadoop.http.HttpServer2.<init>(HttpServer2.java:344)
> at org.apache.hadoop.http.HttpServer2.<init>(HttpServer2.java:104)
> at
> org.apache.hadoop.http.HttpServer2$Builder.build(HttpServer2.java:292)
> at
> org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderServer.startTimelineReaderWebApp(TimelineReaderServer.java:181)
> at
> org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderServer.serviceStart(TimelineReaderServer.java:124)
> at
> org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
> at
> org.apache.hadoop.yarn.server.timelineservice.reader.AbstractTimelineReaderHBaseTestBase.initialize(AbstractTimelineReaderHBaseTestBase.java:91)
> at
> org.apache.hadoop.yarn.server.timelineservice.reader.TestTimelineReaderWebServicesHBaseStorage.setupBeforeClass(TestTimelineReaderWebServicesHBaseStorage.java:79)
> {code}
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