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https://issues.apache.org/jira/browse/SPARK-35005?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17317855#comment-17317855
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Apache Spark commented on SPARK-35005:
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User 'ulysses-you' has created a pull request for this issue:
https://github.com/apache/spark/pull/32106
> Improve error msg if UTF8String concatWs length overflow
> --------------------------------------------------------
>
> Key: SPARK-35005
> URL: https://issues.apache.org/jira/browse/SPARK-35005
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: ulysses you
> Priority: Minor
>
> We encounter a very extreme case with expression `concat_ws`, and the error
> msg is
> {code:java}
> Caused by: java.lang.NegativeArraySizeException
> at org.apache.spark.unsafe.types.UTF8String.concatWs
> {code}
> Seems the `UTF8String.concat` has already done the length check, so it's
> better to add in `concatWs`.
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