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https://issues.apache.org/jira/browse/HADOOP-18505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17622606#comment-17622606
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FuzzingTeam edited comment on HADOOP-18505 at 10/22/22 10:58 AM:
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*Code snippet of where* {*}ArrayIndexOutOfBoundsException occurs{*}{*}:{*}
{code:java}
int idx = 0;
for (int i = 0; i < erasedDataIndexes.length; i++) {
toEraseChunks[idx ++] = dataChunks[erasedDataIndexes[i]];
dataChunks[erasedDataIndexes[i]] = null;
}
for (int i = 0; i < erasedParityIndexes.length; i++) {
toEraseChunks[idx ++] = parityChunks[erasedParityIndexes[i]];
parityChunks[erasedParityIndexes[i]] = null;
}{code}
{*}Solution:-{*}{*}{*}
We propose to add a check to prevent the
java.lang.ArrayIndexOutOfBoundsException.
We also propose fixing the exception type from IllegalArgumentException to
HadoopIllegalArgumentException in _DecodingState_ class as done in several
places around that code.
was (Author: JIRAUSER296392):
*Code snippet of where* {*}ArrayIndexOutOfBoundsException occurs{*}{*}:{*}
{code:java}
int idx = 0;
for (int i = 0; i < erasedDataIndexes.length; i++) {
toEraseChunks[idx ++] = dataChunks[erasedDataIndexes[i]];
dataChunks[erasedDataIndexes[i]] = null;
}
for (int i = 0; i < erasedParityIndexes.length; i++) {
toEraseChunks[idx ++] = parityChunks[erasedParityIndexes[i]];
parityChunks[erasedParityIndexes[i]] = null;
}{code}
{*}Solution:-{*}{*}{*}
We propose to add a check to prevent the
java.lang.ArrayIndexOutOfBoundsException.
We also propose fixing the exception type from IllegalArgumentException to
HadoopIllegalArgumentException in _DecodingState_ class as done in several
places around that code.
> ArrayIndexOutOfBoundsException in TestCoderBase.java
> ----------------------------------------------------
>
> Key: HADOOP-18505
> URL: https://issues.apache.org/jira/browse/HADOOP-18505
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 3.3.4
> Reporter: FuzzingTeam
> Priority: Major
> Labels: pull-request-available
>
> The code throws an unhandled ArrayIndexOutOfBoundsException in the method
> _backupAndEraseChunks_ of _TestCoderBase_ class when it tries to access the
> out of bound indexes in _dataChunks_ and _parityChunks_ array.
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