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Date: Fri, 30 Mar 2012 13:44:28 +0000 (UTC)
From: "Alejandro Abdelnur (Updated) (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
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Subject: [jira] [Updated] (MAPREDUCE-3916) various issues with running yarn
 proxyserver
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     [ https://issues.apache.org/jira/browse/MAPREDUCE-3916?page=3Dcom.atla=
ssian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alejandro Abdelnur updated MAPREDUCE-3916:
------------------------------------------

          Resolution: Fixed
       Fix Version/s: 2.0.0
    Target Version/s: 2.0.0, 3.0.0  (was: 3.0.0, 2.0.0)
        Hadoop Flags: Reviewed
              Status: Resolved  (was: Patch Available)

Thanks Devaraj. I had to manually create the proxy/.keep file as the patch =
command ignored it. Committed to trunk and branch-2
               =20
> various issues with running yarn proxyserver
> --------------------------------------------
>
>                 Key: MAPREDUCE-3916
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3916
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2, resourcemanager, webapps
>    Affects Versions: 0.23.1, 2.0.0, 3.0.0
>            Reporter: Roman Shaposhnik
>            Assignee: Devaraj K
>            Priority: Critical
>              Labels: mrv2
>             Fix For: 2.0.0
>
>         Attachments: MAPREDUCE-3916.patch
>
>
> Seem like yarn proxyserver is not operational when running out of the 0.2=
3.1 RC2 tarball.
> # Setting yarn.web-proxy.address to match yarn.resourcemanager.address do=
esn't disable the proxyserver (althought not setting yarn.web-proxy.address=
 at all correctly disable it and produces a message: org.apache.hadoop.yarn=
.YarnException: yarn.web-proxy.address is not set so the proxy will not run=
). This contradicts the documentation provided for yarn.web-proxy.address i=
n yarn-default.xml
> # Setting yarn.web-proxy.address and running the service results in the f=
ollowing:
> {noformat}
> $ ./sbin/yarn-daemon.sh start proxyserver=20
> starting proxyserver, logging to /tmp/hadoop-0.23.1/logs/yarn-rvs-proxyse=
rver-ahmed-laptop.out
> /usr/java/64/jdk1.6.0_22/bin/java -Dproc_proxyserver -Xmx1000m -Dhadoop.l=
og.dir=3D/tmp/hadoop-0.23.1/logs -Dyarn.log.dir=3D/tmp/hadoop-0.23.1/logs -=
Dhadoop.log.file=3Dyarn-rvs-proxyserver-ahmed-laptop.log -Dyarn.log.file=3D=
yarn-rvs-proxyserver-ahmed-laptop.log -Dyarn.home.dir=3D -Dyarn.id.str=3Drv=
s -Dhadoop.root.logger=3DINFO,DRFA -Dyarn.root.logger=3DINFO,DRFA -Djava.li=
brary.path=3D/tmp/hadoop-0.23.1/lib/native -Dyarn.policy.file=3Dhadoop-poli=
cy.xml -Dhadoop.log.dir=3D/tmp/hadoop-0.23.1/logs -Dyarn.log.dir=3D/tmp/had=
oop-0.23.1/logs -Dhadoop.log.file=3Dyarn-rvs-proxyserver-ahmed-laptop.log -=
Dyarn.log.file=3Dyarn-rvs-proxyserver-ahmed-laptop.log -Dyarn.home.dir=3D/t=
mp/hadoop-0.23.1 -Dhadoop.root.logger=3DINFO,DRFA -Dyarn.root.logger=3DINFO=
,DRFA -Djava.library.path=3D/tmp/hadoop-0.23.1/lib/native -classpath /tmp/h=
adoop-0.23.1/etc/hadoop:/tmp/hadoop-0.23.1/etc/hadoop:/tmp/hadoop-0.23.1/et=
c/hadoop:/tmp/hadoop-0.23.1/share/hadoop/common/lib/*:/tmp/hadoop-0.23.1/sh=
are/hadoop/common/*:/tmp/hadoop-0.23.1/share/hadoop/hdfs:/tmp/hadoop-0.23.1=
/share/hadoop/hdfs/lib/*:/tmp/hadoop-0.23.1/share/hadoop/hdfs/*:/tmp/hadoop=
-0.23.1/share/hadoop/mapreduce/lib/*:/tmp/hadoop-0.23.1/share/hadoop/mapred=
uce/*:/tmp/hadoop-0.23.1/share/hadoop/mapreduce/*:/tmp/hadoop-0.23.1/share/=
hadoop/mapreduce/lib/* org.apache.hadoop.yarn.server.webproxy.WebAppProxySe=
rver
> {noformat}
> with the following message found in the logs:
> {noformat}
> 2012-02-24 09:26:31,099 FATAL org.apache.hadoop.yarn.server.webproxy.WebA=
ppProxy: Could not start proxy web server
> java.io.FileNotFoundException: webapps/proxy not found in CLASSPATH
>         at org.apache.hadoop.http.HttpServer.getWebAppsPath(HttpServer.ja=
va:532)
>         at org.apache.hadoop.http.HttpServer.<init>(HttpServer.java:224)
>         at org.apache.hadoop.http.HttpServer.<init>(HttpServer.java:164)
>         at org.apache.hadoop.yarn.server.webproxy.WebAppProxy.start(WebAp=
pProxy.java:85)
>         at org.apache.hadoop.yarn.service.CompositeService.start(Composit=
eService.java:68)
>         at org.apache.hadoop.yarn.server.webproxy.WebAppProxyServer.main(=
WebAppProxyServer.java:76)
> {noformat}

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