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Posted to issues@spark.apache.org by "Tathagata Das (JIRA)" <ji...@apache.org> on 2015/07/10 03:23:04 UTC
[jira] [Closed] (SPARK-8896) StreamingSource should choose a unique
name
[ https://issues.apache.org/jira/browse/SPARK-8896?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tathagata Das closed SPARK-8896.
--------------------------------
Resolution: Not A Problem
> StreamingSource should choose a unique name
> -------------------------------------------
>
> Key: SPARK-8896
> URL: https://issues.apache.org/jira/browse/SPARK-8896
> Project: Spark
> Issue Type: Bug
> Components: Streaming
> Affects Versions: 1.4.0
> Reporter: Aniket Bhatnagar
>
> If 2 instances of StreamingContext are created and run using the same SparkContext, it results the following exception in the logs and causes the latter StreamingContext's metrics to go unreported.
> [ForkJoinPool-2-worker-7] [info] o.a.s.m.MetricsSystem -Metrics already registered
> java.lang.IllegalArgumentException: A metric named <AppName>.StreamingMetrics.streaming.lastReceivedBatch_processingEndTime already exists
> at com.codahale.metrics.MetricRegistry.register(MetricRegistry.java:91)~[metrics-core-3.1.0.jar:3.1.0]
> at com.codahale.metrics.MetricRegistry.registerAll(MetricRegistry.java:385)~[metrics-core-3.1.0.jar:3.1.0]
> at com.codahale.metrics.MetricRegistry.register(MetricRegistry.java:85)~[metrics-core-3.1.0.jar:3.1.0]
> at org.apache.spark.metrics.MetricsSystem.registerSource(MetricsSystem.scala:148) ~[spark-core_2.11-1.4.0.jar:1.4.0]
> at org.apache.spark.streaming.StreamingContext.<init>(StreamingContext.scala:199) [spark-streaming_2.11-1.4.0.jar:1.4.0]
> at org.apache.spark.streaming.StreamingContext.<init>(StreamingContext.scala:71) [spark-streaming_2.11-1.4.0.jar:1.4.0]
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