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Posted to issues@spark.apache.org by "Yuriy Bondaruk (JIRA)" <ji...@apache.org> on 2018/01/05 18:57:00 UTC
[jira] [Created] (SPARK-22975) MetricsReporter producing
NullPointerException when there was no progress reported
Yuriy Bondaruk created SPARK-22975:
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Summary: MetricsReporter producing NullPointerException when there was no progress reported
Key: SPARK-22975
URL: https://issues.apache.org/jira/browse/SPARK-22975
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.2.1, 2.2.0
Reporter: Yuriy Bondaruk
The exception occurs in MetricsReporter when it tries to register gauges using lastProgress of each stream.
{code:java}
registerGauge("inputRate-total", () => stream.lastProgress.inputRowsPerSecond)
registerGauge("processingRate-total", () => stream.lastProgress.inputRowsPerSecond)
registerGauge("latency", () => stream.lastProgress.durationMs.get("triggerExecution").longValue())
{code}
In case if a stream doesn't have any progress reported than following exception occurs:
{noformat}
18/01/05 17:45:57 ERROR ScheduledReporter: RuntimeException thrown from CloudwatchReporter#report. Exception was suppressed.
java.lang.NullPointerException
at org.apache.spark.sql.execution.streaming.MetricsReporter$$anonfun$1.apply$mcD$sp(MetricsReporter.scala:42)
at org.apache.spark.sql.execution.streaming.MetricsReporter$$anonfun$1.apply(MetricsReporter.scala:42)
at org.apache.spark.sql.execution.streaming.MetricsReporter$$anonfun$1.apply(MetricsReporter.scala:42)
at org.apache.spark.sql.execution.streaming.MetricsReporter$$anon$1.getValue(MetricsReporter.scala:49)
at amazon.nexus.spark.metrics.cloudwatch.CloudwatchReporter.lambda$createNumericGaugeMetricDatumStream$0(CloudwatchReporter.java:146)
at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:174)
at java.util.Collections$UnmodifiableMap$UnmodifiableEntrySet.lambda$entryConsumer$0(Collections.java:1575)
at java.util.TreeMap$EntrySpliterator.forEachRemaining(TreeMap.java:2969)
at java.util.Collections$UnmodifiableMap$UnmodifiableEntrySet$UnmodifiableEntrySetSpliterator.forEachRemaining(Collections.java:1600)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
at java.util.stream.StreamSpliterators$WrappingSpliterator.forEachRemaining(StreamSpliterators.java:312)
at java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:742)
at java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:742)
at java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:742)
at java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:742)
at java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:742)
at java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:742)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:510)
at amazon.nexus.spark.metrics.cloudwatch.CloudwatchReporter.partitionIntoSublists(CloudwatchReporter.java:390)
at amazon.nexus.spark.metrics.cloudwatch.CloudwatchReporter.report(CloudwatchReporter.java:137)
at com.codahale.metrics.ScheduledReporter.report(ScheduledReporter.java:162)
at com.codahale.metrics.ScheduledReporter$1.run(ScheduledReporter.java:117)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
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)
{noformat}
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