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https://issues.apache.org/jira/browse/FLINK-9339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16473002#comment-16473002
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Chesnay Schepler commented on FLINK-9339:
-----------------------------------------
The issue is caused by the {{SubtasksAllAccumulatorsHandler}} never actually
being registered, the wrong headers are given to him:
{code}
// WebMonitorEndpoint#597
handlers.add(Tuple2.of(JobVertexAccumulatorsHeaders.getInstance(),
jobVertexAccumulatorsHandler));
handlers.add(Tuple2.of(JobVertexAccumulatorsHeaders.getInstance(),
subtasksAllAccumulatorsHandler));
{code}
It should be this instead:
{code}
handlers.add(Tuple2.of(JobVertexAccumulatorsHeaders.getInstance(),
jobVertexAccumulatorsHandler));
handlers.add(Tuple2.of(SubtasksAllAccumulatorsHeaders.getInstance(),
subtasksAllAccumulatorsHandler));
{code}
> Accumulators are not UI accessible running in FLIP-6 mode
> ---------------------------------------------------------
>
> Key: FLINK-9339
> URL: https://issues.apache.org/jira/browse/FLINK-9339
> Project: Flink
> Issue Type: Bug
> Components: REST
> Affects Versions: 1.5.0
> Reporter: Cliff Resnick
> Assignee: vinoyang
> Priority: Minor
>
> Using 1.5-rc2, when I run a job in flip-6 mode and try to access Accumulators
> in the UI nothing shows. Looking at the Job manager log there is this error:
>
> 2018-05-11 17:09:04,707 ERROR
> org.apache.flink.runtime.rest.handler.job.SubtaskCurrentAttemptDetailsHandler
> - Could not create the handler request.
> org.apache.flink.runtime.rest.handler.HandlerRequestException: Cannot resolve
> path parameter (subtaskindex) from value "accumulators".
> at
> org.apache.flink.runtime.rest.handler.HandlerRequest.<init>(HandlerRequest.java:61)
> at
> org.apache.flink.runtime.rest.AbstractHandler.respondAsLeader(AbstractHandler.java:155)
> at
> org.apache.flink.runtime.rest.handler.RedirectHandler.lambda$null$0(RedirectHandler.java:139)
> at
> java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760)
> at
> java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:736)
> at
> java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442)
> at
> org.apache.flink.shaded.netty4.io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:357)
> at
> org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357)
> at
> org.apache.flink.shaded.netty4.io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)
> at
> org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137)
> at java.lang.Thread.run(Thread.java:748)
>
> This error does not occur when running the same job in legacy mode.
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