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https://issues.apache.org/jira/browse/MAPREDUCE-3916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13242335#comment-13242335
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Devaraj K commented on MAPREDUCE-3916:
--------------------------------------
Thanks a lot Alejandro for reviewing and verifying the patch.
{quote}
-1 tests included. The patch doesn't appear to include any new or modified
tests.
Please justify why no new tests are needed for this patch.
Also please list what manual steps were performed to verify this patch.
{quote}
No new tests required because changes done in yarn-default.xml and added one
dir.
> 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 0.23.1
> RC2 tarball.
> # Setting yarn.web-proxy.address to match yarn.resourcemanager.address
> doesn'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 in yarn-default.xml
> # Setting yarn.web-proxy.address and running the service results in the
> following:
> {noformat}
> $ ./sbin/yarn-daemon.sh start proxyserver
> starting proxyserver, logging to
> /tmp/hadoop-0.23.1/logs/yarn-rvs-proxyserver-ahmed-laptop.out
> /usr/java/64/jdk1.6.0_22/bin/java -Dproc_proxyserver -Xmx1000m
> -Dhadoop.log.dir=/tmp/hadoop-0.23.1/logs
> -Dyarn.log.dir=/tmp/hadoop-0.23.1/logs
> -Dhadoop.log.file=yarn-rvs-proxyserver-ahmed-laptop.log
> -Dyarn.log.file=yarn-rvs-proxyserver-ahmed-laptop.log -Dyarn.home.dir=
> -Dyarn.id.str=rvs -Dhadoop.root.logger=INFO,DRFA -Dyarn.root.logger=INFO,DRFA
> -Djava.library.path=/tmp/hadoop-0.23.1/lib/native
> -Dyarn.policy.file=hadoop-policy.xml -Dhadoop.log.dir=/tmp/hadoop-0.23.1/logs
> -Dyarn.log.dir=/tmp/hadoop-0.23.1/logs
> -Dhadoop.log.file=yarn-rvs-proxyserver-ahmed-laptop.log
> -Dyarn.log.file=yarn-rvs-proxyserver-ahmed-laptop.log
> -Dyarn.home.dir=/tmp/hadoop-0.23.1 -Dhadoop.root.logger=INFO,DRFA
> -Dyarn.root.logger=INFO,DRFA
> -Djava.library.path=/tmp/hadoop-0.23.1/lib/native -classpath
> /tmp/hadoop-0.23.1/etc/hadoop:/tmp/hadoop-0.23.1/etc/hadoop:/tmp/hadoop-0.23.1/etc/hadoop:/tmp/hadoop-0.23.1/share/hadoop/common/lib/*:/tmp/hadoop-0.23.1/share/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/mapreduce/*:/tmp/hadoop-0.23.1/share/hadoop/mapreduce/*:/tmp/hadoop-0.23.1/share/hadoop/mapreduce/lib/*
> org.apache.hadoop.yarn.server.webproxy.WebAppProxyServer
> {noformat}
> with the following message found in the logs:
> {noformat}
> 2012-02-24 09:26:31,099 FATAL
> org.apache.hadoop.yarn.server.webproxy.WebAppProxy: Could not start proxy web
> server
> java.io.FileNotFoundException: webapps/proxy not found in CLASSPATH
> at
> org.apache.hadoop.http.HttpServer.getWebAppsPath(HttpServer.java: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(WebAppProxy.java:85)
> at
> org.apache.hadoop.yarn.service.CompositeService.start(CompositeService.java:68)
> at
> org.apache.hadoop.yarn.server.webproxy.WebAppProxyServer.main(WebAppProxyServer.java:76)
> {noformat}
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