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https://issues.apache.org/jira/browse/KAFKA-10220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17148550#comment-17148550
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huxihx commented on KAFKA-10220:
--------------------------------
[~ecomar] Thanks for reporting. I could not reproduce this issue with trunk.
Are you using the latest code for clients?
> NPE when describing resources
> -----------------------------
>
> Key: KAFKA-10220
> URL: https://issues.apache.org/jira/browse/KAFKA-10220
> Project: Kafka
> Issue Type: Bug
> Components: core
> Reporter: Edoardo Comar
> Priority: Major
>
> In current trunk code
> Describing a topic from the CLI can fail with an NPE in the broker
> on the line
> {{
> resource.configurationKeys.asScala.forall(_.contains(configName))}}
>
> (configurationKeys is null?)
> {{[2020-06-30 11:10:39,464] ERROR [Admin Manager on Broker 0]: Error
> processing describe configs request for resource
> DescribeConfigsResource(resourceType=2, resourceName='topic1',
> configurationKeys=null)
> (kafka.server.AdminManager)}}{{java.lang.NullPointerException}}{{at
> kafka.server.AdminManager.$anonfun$describeConfigs$3(AdminManager.scala:395)}}{{at
>
> kafka.server.AdminManager.$anonfun$describeConfigs$3$adapted(AdminManager.scala:393)}}{{at
>
> scala.collection.TraversableLike.$anonfun$filterImpl$1(TraversableLike.scala:248)}}{{at
> scala.collection.Iterator.foreach(Iterator.scala:929)}}{{at
> scala.collection.Iterator.foreach$(Iterator.scala:929)}}{{at
> scala.collection.AbstractIterator.foreach(Iterator.scala:1417)}}{{at
> scala.collection.IterableLike.foreach(IterableLike.scala:71)}}{{at
> scala.collection.IterableLike.foreach$(IterableLike.scala:70)}}{{at
> scala.collection.AbstractIterable.foreach(Iterable.scala:54)}}{{at
> scala.collection.TraversableLike.filterImpl(TraversableLike.scala:247)}}{{at
> scala.collection.TraversableLike.filterImpl$(TraversableLike.scala:245)}}{{at
> scala.collection.AbstractTraversable.filterImpl(Traversable.scala:104)}}{{at
> scala.collection.TraversableLike.filter(TraversableLike.scala:259)}}{{at
> scala.collection.TraversableLike.filter$(TraversableLike.scala:259)}}{{at
> scala.collection.AbstractTraversable.filter(Traversable.scala:104)}}{{at
> kafka.server.AdminManager.createResponseConfig$1(AdminManager.scala:393)}}{{at
>
> kafka.server.AdminManager.$anonfun$describeConfigs$1(AdminManager.scala:412)}}{{at
> scala.collection.immutable.List.map(List.scala:283)}}{{at
> kafka.server.AdminManager.describeConfigs(AdminManager.scala:386)}}{{at
> kafka.server.KafkaApis.handleDescribeConfigsRequest(KafkaApis.scala:2595)}}{{at
> kafka.server.KafkaApis.handle(KafkaApis.scala:165)}}{{at
> kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:70)}}{{at
> java.lang.Thread.run(Thread.java:748)}}
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