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https://issues.apache.org/jira/browse/YARN-6117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15838828#comment-15838828
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Sangjin Lee edited comment on YARN-6117 at 1/25/17 11:39 PM:
-------------------------------------------------------------
Ported it to branch-2 as well (2.9.0). Since the shared cache is not fully
implemented in previous versions, I don't think we need to backport to those
versions.
was (Author: sjlee0):
Ported it to branch-2 as well (2.9.0).
> SharedCacheManager does not start up
> ------------------------------------
>
> Key: YARN-6117
> URL: https://issues.apache.org/jira/browse/YARN-6117
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 2.7.3, 3.0.0-alpha2
> Reporter: Chris Trezzo
> Assignee: Chris Trezzo
> Fix For: 2.9.0, 3.0.0-alpha3
>
> Attachments: YARN-6117-trunk.001.patch
>
>
> The webapp directory for the SharedCacheManager is missing and the SCM fails
> to start up with the following:
> {noformat}
> 2017-01-22 00:14:25,162 INFO org.apache.hadoop.service.AbstractService:
> Service SharedCacheManager failed in state STARTED; cause:
> org.apache.hadoop.yarn.webapp.WebAppException: Error starting http server
> org.apache.hadoop.yarn.webapp.WebAppException: Error starting http server
> at
> org.apache.hadoop.yarn.webapp.WebApps$Builder.build(WebApps.java:330)
> at
> org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:377)
> at
> org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:373)
> at
> org.apache.hadoop.yarn.server.sharedcachemanager.webapp.SCMWebServer.serviceStart(SCMWebServer.java:65)
> at
> org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
> at
> org.apache.hadoop.service.CompositeService.serviceStart(CompositeService.java:120)
> at
> org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
> at
> org.apache.hadoop.yarn.server.sharedcachemanager.SharedCacheManager.main(SharedCacheManager.java:157)
> Caused by: java.io.FileNotFoundException: webapps/sharedcache not found in
> CLASSPATH
> at
> org.apache.hadoop.http.HttpServer2.getWebAppsPath(HttpServer2.java:972)
> at org.apache.hadoop.http.HttpServer2.<init>(HttpServer2.java:478)
> at org.apache.hadoop.http.HttpServer2.<init>(HttpServer2.java:117)
> at
> org.apache.hadoop.http.HttpServer2$Builder.build(HttpServer2.java:392)
> at
> org.apache.hadoop.yarn.webapp.WebApps$Builder.build(WebApps.java:291)
> ... 7 more
> {noformat}
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