[jira] [Commented] (KAFKA-9293) NPE in DumpLogSegments with --offsets-decoder

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-9293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17007762#comment-17007762 ] 

ASF GitHub Bot commented on KAFKA-9293:
---------------------------------------

hachikuji commented on pull request #7820: KAFKA-9293; Fix NPE in DumpLogSegments offsets parser and display tombstone keys
URL: https://github.com/apache/kafka/pull/7820
 
 
   
 
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> NPE in DumpLogSegments with --offsets-decoder
> ---------------------------------------------
>
>                 Key: KAFKA-9293
>                 URL: https://issues.apache.org/jira/browse/KAFKA-9293
>             Project: Kafka
>          Issue Type: Bug
>            Reporter: Jason Gustafson
>            Assignee: Jason Gustafson
>            Priority: Major
>
> {code}
> Exception in thread "main" java.lang.NullPointerException
>         at org.apache.kafka.common.utils.Utils.toArray(Utils.java:230)
>         at kafka.tools.DumpLogSegments$OffsetsMessageParser.$anonfun$parseGroupMetadata$2(DumpLogSegments.scala:287)
>         at kafka.tools.DumpLogSegments$OffsetsMessageParser.parseGroupMetadata(DumpLogSegments.scala:284)
>         at kafka.tools.DumpLogSegments$OffsetsMessageParser.parse(DumpLogSegments.scala:317)
>         at kafka.tools.DumpLogSegments$.$anonfun$dumpLog$2(DumpLogSegments.scala:372)
>         at kafka.tools.DumpLogSegments$.$anonfun$dumpLog$2$adapted(DumpLogSegments.scala:343)
>         at scala.collection.Iterator.foreach(Iterator.scala:941)
>         at scala.collection.Iterator.foreach$(Iterator.scala:941)
>         at scala.collection.AbstractIterator.foreach(Iterator.scala:1429)
>         at scala.collection.IterableLike.foreach(IterableLike.scala:74)
>         at scala.collection.IterableLike.foreach$(IterableLike.scala:73)
>         at scala.collection.AbstractIterable.foreach(Iterable.scala:56)
>         at kafka.tools.DumpLogSegments$.$anonfun$dumpLog$1(DumpLogSegments.scala:343)
>         at kafka.tools.DumpLogSegments$.$anonfun$dumpLog$1$adapted(DumpLogSegments.scala:340)
>         at scala.collection.Iterator.foreach(Iterator.scala:941)
>         at scala.collection.Iterator.foreach$(Iterator.scala:941)
>         at scala.collection.AbstractIterator.foreach(Iterator.scala:1429)
>         at scala.collection.IterableLike.foreach(IterableLike.scala:74)
>         at scala.collection.IterableLike.foreach$(IterableLike.scala:73)
>         at scala.collection.AbstractIterable.foreach(Iterable.scala:56)
>         at kafka.tools.DumpLogSegments$.dumpLog(DumpLogSegments.scala:340)
>         at kafka.tools.DumpLogSegments$.$anonfun$main$1(DumpLogSegments.scala:60)
>         at kafka.tools.DumpLogSegments$.main(DumpLogSegments.scala:51)
>         at kafka.tools.DumpLogSegments.main(DumpLogSegments.scala)
> {code}
> The problem is that "userData" is nullable, but the dump log tool doesn't check for null.



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