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https://issues.apache.org/jira/browse/BEAM-12032?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kenneth Knowles updated BEAM-12032:
-----------------------------------
    Status: Open  (was: Triage Needed)

> Spark warns on SparkBeamMetric already registered
> -------------------------------------------------
>
>                 Key: BEAM-12032
>                 URL: https://issues.apache.org/jira/browse/BEAM-12032
>             Project: Beam
>          Issue Type: Improvement
>          Components: runner-spark
>            Reporter: Ismaël Mejía
>            Assignee: Ismaël Mejía
>            Priority: P2
>
> {{Spark runner in some environments (Spark 3 and Databricks) reports a 
> warning on Unknown metric type.}}
> {{}}
> {{The pipeline works well and the metrics appear correct but the warning 
> seems to be a problem of the runner.}}
> [2021-03-23T15:10:02,222] [INFO ] o.a.s.m.MetricsSystem - Metrics already 
> registered
> java.lang.IllegalArgumentException: Unknown metric type: class 
> org.apache.beam.runners.spark.metrics.SparkBeamMetric
>       at 
> com.codahale.metrics.MetricRegistry.notifyListenerOfAddedMetric(MetricRegistry.java:532)
>  ~[spark-3.0.1-yarn-shuffle.jar:?]
>       at 
> com.codahale.metrics.MetricRegistry.addListener(MetricRegistry.java:363) 
> ~[spark-3.0.1-yarn-shuffle.jar:?]
>       at com.codahale.metrics.MetricRegistry.register(MetricRegistry.java:93) 
> ~[spark-3.0.1-yarn-shuffle.jar:?]
>       at 
> org.apache.spark.metrics.MetricsSystem.registerSource(MetricsSystem.scala:165)
>  [spark-core_2.12-3.0.1.jar:3.0.1]
>       at 
> org.apache.beam.runners.spark.SparkRunner.registerMetricsSource(SparkRunner.java:275)
>  [beam-runners-spark-2.27.0.jar:?]
>       at org.apache.beam.runners.spark.SparkRunner.run(SparkRunner.java:250) 
> [beam-runners-spark-2.27.0.jar:?]
>       at org.apache.beam.runners.spark.SparkRunner.run(SparkRunner.java:92) 
> [beam-runners-spark-2.27.0.jar:?]
>       at org.apache.beam.sdk.Pipeline.run(Pipeline.java:322) 
> [beam-sdks-java-harness-2.27.0.jar:?]



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