Jian He created MAPREDUCE-5397:
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Summary: AM crashes because Webapp failed to start on multi node
cluster
Key: MAPREDUCE-5397
URL: https://issues.apache.org/jira/browse/MAPREDUCE-5397
Project: Hadoop Map/Reduce
Issue Type: Bug
Reporter: Jian He
Assignee: Jian He
I set up a 12 nodes cluster and tried submitting jobs but get this exception.
But job is able to succeed after AM crashes and retry a few times(2 or 3)
{code}
2013-07-12 18:56:28,438 INFO [main] org.mortbay.log: Extract
jar:file:/grid/0/dev/jhe/hadoop-2.1.0-beta/share/hadoop/yarn/hadoop-yarn-common-2.1.0-beta.jar!/webapps/mapreduce
to /tmp/Jetty_0_0_0_0_43554_mapreduce____ljbmlg/webapp
2013-07-12 18:56:28,528 WARN [main] org.mortbay.log: Failed startup of context
org.mortbay.jetty.webapp.WebAppContext@2726b2{/,jar:file:/grid/0/dev/jhe/hadoop-2.1.0-beta/share/hadoop/yarn/hadoop-yarn-common-2.1.0-beta.jar!/webapps/mapreduce}
java.io.FileNotFoundException:
/tmp/Jetty_0_0_0_0_43554_mapreduce____ljbmlg/webapp/webapps/mapreduce/.keep (No
such file or directory)
at java.io.FileOutputStream.open(Native Method)
at java.io.FileOutputStream.<init>(FileOutputStream.java:194)
at java.io.FileOutputStream.<init>(FileOutputStream.java:145)
at org.mortbay.resource.JarResource.extract(JarResource.java:215)
at
org.mortbay.jetty.webapp.WebAppContext.resolveWebApp(WebAppContext.java:974)
at
org.mortbay.jetty.webapp.WebAppContext.getWebInf(WebAppContext.java:832)
at
org.mortbay.jetty.webapp.WebInfConfiguration.configureClassLoader(WebInfConfiguration.java:62)
at
org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:489)
at
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at
org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152)
at
org.mortbay.jetty.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:156)
at
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at
org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.jetty.Server.doStart(Server.java:224)
at
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.apache.hadoop.http.HttpServer.start(HttpServer.java:684)
at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:211)
at
org.apache.hadoop.mapreduce.v2.app.client.MRClientService.serviceStart(MRClientService.java:134)
at
org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
at
org.apache.hadoop.service.CompositeService.serviceStart(CompositeService.java:101)
at
org.apache.hadoop.mapreduce.v2.app.MRAppMaster.serviceStart(MRAppMaster.java:1019)
at
org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
at
org.apache.hadoop.mapreduce.v2.app.MRAppMaster$1.run(MRAppMaster.java:1394)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1477)
at
org.apache.hadoop.mapreduce.v2.app.MRAppMaster.initAndStartAppMaster(MRAppMaster.java:1390)
{code}
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