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Posted to jira@kafka.apache.org by "huxihx (JIRA)" <ji...@apache.org> on 2017/12/15 08:08:03 UTC
[jira] [Assigned] (KAFKA-6370)
MirrorMakerIntegrationTest#testCommaSeparatedRegex may fail due to
NullPointerException
[ https://issues.apache.org/jira/browse/KAFKA-6370?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
huxihx reassigned KAFKA-6370:
-----------------------------
Assignee: huxihx
> MirrorMakerIntegrationTest#testCommaSeparatedRegex may fail due to NullPointerException
> ---------------------------------------------------------------------------------------
>
> Key: KAFKA-6370
> URL: https://issues.apache.org/jira/browse/KAFKA-6370
> Project: Kafka
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: huxihx
> Priority: Minor
>
> From https://builds.apache.org/job/kafka-trunk-jdk8/2277/testReport/junit/kafka.tools/MirrorMakerIntegrationTest/testCommaSeparatedRegex/ :
> {code}
> java.lang.NullPointerException
> at scala.collection.immutable.StringLike.$anonfun$format$1(StringLike.scala:351)
> at scala.collection.TraversableLike.$anonfun$map$1(TraversableLike.scala:234)
> at scala.collection.IndexedSeqOptimized.foreach(IndexedSeqOptimized.scala:32)
> at scala.collection.IndexedSeqOptimized.foreach$(IndexedSeqOptimized.scala:29)
> at scala.collection.mutable.WrappedArray.foreach(WrappedArray.scala:38)
> at scala.collection.TraversableLike.map(TraversableLike.scala:234)
> at scala.collection.TraversableLike.map$(TraversableLike.scala:227)
> at scala.collection.AbstractTraversable.map(Traversable.scala:104)
> at scala.collection.immutable.StringLike.format(StringLike.scala:351)
> at scala.collection.immutable.StringLike.format$(StringLike.scala:350)
> at scala.collection.immutable.StringOps.format(StringOps.scala:29)
> at kafka.metrics.KafkaMetricsGroup$.$anonfun$toScope$3(KafkaMetricsGroup.scala:170)
> at scala.collection.immutable.List.map(List.scala:283)
> at kafka.metrics.KafkaMetricsGroup$.kafka$metrics$KafkaMetricsGroup$$toScope(KafkaMetricsGroup.scala:170)
> at kafka.metrics.KafkaMetricsGroup.explicitMetricName(KafkaMetricsGroup.scala:67)
> at kafka.metrics.KafkaMetricsGroup.explicitMetricName$(KafkaMetricsGroup.scala:51)
> at kafka.network.RequestMetrics.explicitMetricName(RequestChannel.scala:352)
> at kafka.metrics.KafkaMetricsGroup.metricName(KafkaMetricsGroup.scala:47)
> at kafka.metrics.KafkaMetricsGroup.metricName$(KafkaMetricsGroup.scala:42)
> at kafka.network.RequestMetrics.metricName(RequestChannel.scala:352)
> at kafka.metrics.KafkaMetricsGroup.newHistogram(KafkaMetricsGroup.scala:81)
> at kafka.metrics.KafkaMetricsGroup.newHistogram$(KafkaMetricsGroup.scala:80)
> at kafka.network.RequestMetrics.newHistogram(RequestChannel.scala:352)
> at kafka.network.RequestMetrics.<init>(RequestChannel.scala:364)
> at kafka.network.RequestChannel$Metrics.$anonfun$new$2(RequestChannel.scala:57)
> at scala.collection.mutable.ResizableArray.foreach(ResizableArray.scala:59)
> at scala.collection.mutable.ResizableArray.foreach$(ResizableArray.scala:52)
> at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)
> at kafka.network.RequestChannel$Metrics.<init>(RequestChannel.scala:56)
> at kafka.network.RequestChannel.<init>(RequestChannel.scala:243)
> at kafka.network.SocketServer.<init>(SocketServer.scala:71)
> at kafka.server.KafkaServer.startup(KafkaServer.scala:238)
> at kafka.utils.TestUtils$.createServer(TestUtils.scala:135)
> at kafka.integration.KafkaServerTestHarness.$anonfun$setUp$1(KafkaServerTestHarness.scala:93)
> {code}
> Here is the code from KafkaMetricsGroup.scala :
> {code}
> .map { case (key, value) => "%s.%s".format(key, value.replaceAll("\\.", "_"))}
> {code}
> It seems (some) value was null.
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