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https://issues.apache.org/jira/browse/HDDS-1420?focusedWorklogId=226577&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-226577
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ASF GitHub Bot logged work on HDDS-1420:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 12/Apr/19 11:17
            Start Date: 12/Apr/19 11:17
    Worklog Time Spent: 10m 
      Work Description: elek commented on issue #723: HDDS-1420. Tracing 
exception in DataNode HddsDispatcher. Contributed …
URL: https://github.com/apache/hadoop/pull/723#issuecomment-482537186
 
 
   Created: https://issues.apache.org/jira/browse/HDDS-1435
   
   Both the tests have similar failures in the log (NotLeaderException...)
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 226577)
    Time Spent: 40m  (was: 0.5h)

> Tracing exception in DataNode HddsDispatcher
> --------------------------------------------
>
>                 Key: HDDS-1420
>                 URL: https://issues.apache.org/jira/browse/HDDS-1420
>             Project: Hadoop Distributed Data Store
>          Issue Type: Bug
>          Components: Ozone Datanode, tracing
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> The following exception is seen in some unit tests:
> {code}
> 2019-04-10 13:00:27,537 WARN  
> internal.PropagationRegistry$ExceptionCatchingExtractorDecorator 
> (PropagationRegistry.java:extract(60)) - Error when extracting SpanContext 
> from carrier. Handling gracefully.
> io.jaegertracing.internal.exceptions.MalformedTracerStateStringException: 
> String does not match tracer state format: 
> 90041ce6-81f3-4733-8e2b-6aceaa697b77
>     at org.apache.hadoop.hdds.tracing.StringCodec.extract(StringCodec.java:49)
>     at org.apache.hadoop.hdds.tracing.StringCodec.extract(StringCodec.java:34)
>     at 
> io.jaegertracing.internal.PropagationRegistry$ExceptionCatchingExtractorDecorator.extract(PropagationRegistry.java:57)
>     at io.jaegertracing.internal.JaegerTracer.extract(JaegerTracer.java:208)
>     at io.jaegertracing.internal.JaegerTracer.extract(JaegerTracer.java:61)
>     at io.opentracing.util.GlobalTracer.extract(GlobalTracer.java:143)
>     at 
> org.apache.hadoop.hdds.tracing.TracingUtil.importAndCreateScope(TracingUtil.java:98)
>     at 
> org.apache.hadoop.ozone.container.common.impl.HddsDispatcher.dispatch(HddsDispatcher.java:148)
>     at 
> org.apache.hadoop.ozone.container.common.transport.server.ratis.ContainerStateMachine.dispatchCommand(ContainerStateMachine.java:347)
>     at 
> org.apache.hadoop.ozone.container.common.transport.server.ratis.ContainerStateMachine.runCommand(ContainerStateMachine.java:354)
>     at 
> org.apache.hadoop.ozone.container.common.transport.server.ratis.ContainerStateMachine.lambda$applyTransaction$5(ContainerStateMachine.java:613)
>     at 
> java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1590)
>     at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>     at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>     at java.lang.Thread.run(Thread.java:748)
> {code}



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