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From "Roman Shaposhnik (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-3916) various issues with running yarn proxyserver
Date Fri, 24 Feb 2012 18:23:48 GMT
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
            Reporter: Roman Shaposhnik


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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