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Posted to common-issues@hadoop.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2023/09/14 00:46:00 UTC

[jira] [Updated] (HADOOP-18896) NegativeArraySizeException thrown in FSOutputSummer.java given large file.bytes-per-checksum

     [ https://issues.apache.org/jira/browse/HADOOP-18896?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated HADOOP-18896:
------------------------------------
    Labels: pull-request-available  (was: )

> NegativeArraySizeException thrown in FSOutputSummer.java given large file.bytes-per-checksum
> --------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-18896
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18896
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 3.3.6
>            Reporter: ConfX
>            Priority: Critical
>              Labels: pull-request-available
>
> Buffer size of FSOutputSummer equals to `file.bytes-per-checksum` times `BUFFER_NUM_CHUNKS`. A large `file.bytes-per-checksum` causes buffer size to overflow and crash with NegativeArraySizeException.
> To reproduce:
> 1. set `file.bytes-per-checksum` to 238609295
> 2. `mvn surefire:test -Dtest=org.apache.hadoop.hdfs.TestDecommissionWithStriped#testFileSmallerThanOneStripe`
> We linked this issue to a PR that provides a fix which checks the buffer size is positive after multiplying `file.bytes-per-checksum` with `BUFFER_NUM_CHUNKS`



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