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https://issues.apache.org/jira/browse/BEAM-2017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15975540#comment-15975540
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ASF GitHub Bot commented on BEAM-2017:
--------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/beam/pull/2596
> DataflowRunner: fix NullPointerException that can occur when no metrics are
> present
> -----------------------------------------------------------------------------------
>
> Key: BEAM-2017
> URL: https://issues.apache.org/jira/browse/BEAM-2017
> Project: Beam
> Issue Type: Bug
> Components: runner-dataflow
> Reporter: Daniel Halperin
> Assignee: Daniel Halperin
> Fix For: First stable release
>
>
> {code}
> Exception in thread "main" java.lang.NullPointerException
> at
> org.apache.beam.runners.dataflow.DataflowMetrics.populateMetricQueryResults(DataflowMetrics.java:118)
> at
> org.apache.beam.runners.dataflow.DataflowMetrics.queryServiceForMetrics(DataflowMetrics.java:173)
> at
> org.apache.beam.runners.dataflow.DataflowMetrics.queryMetrics(DataflowMetrics.java:186)
> at
> com.google.cloud.dataflow.integration.autotuning.separation.SeparationHarness.verifySeparationInPipelineWithHangingFn(SeparationHarness.java:146)
> at
> com.google.cloud.dataflow.integration.autotuning.separation.SeparationHarness.verifySeparationInPipeline(SeparationHarness.java:129)
> at
> com.google.cloud.dataflow.integration.autotuning.separation.SeparationHarness.verifySeparation(SeparationHarness.java:120)
> at
> com.google.cloud.dataflow.integration.autotuning.separation.InMemorySeparation.main(InMemorySeparation.java:19)
> {code}
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