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From "Li Lu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3087) [Aggregator implementation] the REST server (web server) for per-node aggregator does not work if it runs inside node manager
Date Thu, 26 Feb 2015 21:51:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-3087?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14339233#comment-14339233
] 

Li Lu commented on YARN-3087:
-----------------------------

Hi [~djp], thanks for the comments! I agree that we may want to use generic types to solve
the problem. Similar code also appear in v1 timeline object model, so maybe we'd like to fix
both together? If that's the case we may open a separate JIRA to trace this. 

> [Aggregator implementation] the REST server (web server) for per-node aggregator does
not work if it runs inside node manager
> -----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-3087
>                 URL: https://issues.apache.org/jira/browse/YARN-3087
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Sangjin Lee
>            Assignee: Li Lu
>             Fix For: YARN-2928
>
>         Attachments: YARN-3087-022315.patch, YARN-3087-022515.patch, YARN-3087-022615.patch
>
>
> This is related to YARN-3030. YARN-3030 sets up a per-node timeline aggregator and the
associated REST server. It runs fine as a standalone process, but does not work if it runs
inside the node manager due to possible collisions of servlet mapping.
> Exception:
> {noformat}
> org.apache.hadoop.yarn.webapp.WebAppException: /v2/timeline: controller for v2 not found
> 	at org.apache.hadoop.yarn.webapp.Router.resolveDefault(Router.java:232)
> 	at org.apache.hadoop.yarn.webapp.Router.resolve(Router.java:140)
> 	at org.apache.hadoop.yarn.webapp.Dispatcher.service(Dispatcher.java:134)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
> 	at com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:263)
> 	at com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:178)
> 	at com.google.inject.servlet.ManagedServletPipeline.service(ManagedServletPipeline.java:91)
> 	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:62)
> 	at com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:900)
> 	at com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:834)
> 	at com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:795)
> ...
> {noformat}



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