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https://issues.apache.org/jira/browse/SPARK-11147?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14960976#comment-14960976
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Sean Owen commented on SPARK-11147:
-----------------------------------
Are you sure you don't have network connectivity problems? just because you can
reach X from one node doesn't mean others can. Are you also sure you're looking
at the right app? you ahve some evidence you're not actually debugging the app
you think. Did the app fail? I think you need to give more info about what
happened.
> HTTP 500 if try to access Spark UI in yarn-cluster
> --------------------------------------------------
>
> Key: SPARK-11147
> URL: https://issues.apache.org/jira/browse/SPARK-11147
> Project: Spark
> Issue Type: Bug
> Components: Web UI, YARN
> Affects Versions: 1.5.1
> Environment: HDP: 2.3.2.0-2950 (Hadoop 2.7.1.2.3.2.0-2950)
> Spark: 1.5.x (c27e1904)
> Reporter: Sebastian YEPES FERNANDEZ
>
> Hello,
> I am facing a similar issue as described in SPARK-5837, but is my case the
> SparkUI only work in "yarn-client" mode. If a run the same job using
> "yarn-cluster" I get the HTTP 500 error:
> {code}
> HTTP ERROR 500
> Problem accessing /proxy/application_1444297190346_0085/. Reason:
> Connection to http://XX.XX.XX.XX:55827 refused
> Caused by:
> org.apache.http.conn.HttpHostConnectException: Connection to
> http://XX.XX.XX.XX:55827 refused
> at
> org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:190)
> at
> org.apache.http.impl.conn.ManagedClientConnectionImpl.open(ManagedClientConnectionImpl.java:294)
> at
> org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:643)
> at
> org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:479)
> at
> org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:906)
> {code}
> I have verified that the UI port "55827" is actually Listening on the worker
> node, I can even run a "curl http://XX.XX.XX.XX:55827"; and it redirects me to
> another URL: http://YY.YY.YY.YY:8088/proxy/application_1444297190346_0082
> The strange thing is the its redirecting me to the app "_0082" and not the
> actually running job "_0085"
> Does anyone have any suggestions on what could be causing this issue?
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