[
https://issues.apache.org/jira/browse/YARN-3087?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14338867#comment-14338867
]
Li Lu commented on YARN-3087:
-----------------------------
Hi [~djp], thanks for the feedback! I totally understand your concern here. The
current solution is a workaround for JAXB resolver, which cannot return an
interface (Map) type. This work around is consistent with the v1 version of our
ATS object model (in
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/timeline/,
such as TimelineEvent.java, TimelineEntity.java), fixed in YARN-2804. If it's
needed, maybe we'd like to keep the declarations to be Map, and do the cast in
the jaxb getter?
> [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
>
>
> 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}
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
