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https://issues.apache.org/jira/browse/HADOOP-10542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14281746#comment-14281746
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Hudson commented on HADOOP-10542:
---------------------------------
FAILURE: Integrated in Hadoop-Yarn-trunk-Java8 #77 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/77/])
HADOOP-10542 Potential null pointer dereference in Jets3tFileSystemStore
retrieveBlock(). (Ted Yu via stevel) (stevel: rev
c6c0f4eb25e511944915bc869e741197f7a277e0)
* hadoop-common-project/hadoop-common/CHANGES.txt
*
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3/Jets3tFileSystemStore.java
> Potential null pointer dereference in Jets3tFileSystemStore#retrieveBlock()
> ---------------------------------------------------------------------------
>
> Key: HADOOP-10542
> URL: https://issues.apache.org/jira/browse/HADOOP-10542
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs/s3
> Affects Versions: 2.6.0
> Reporter: Ted Yu
> Assignee: Ted Yu
> Priority: Minor
> Attachments: hadoop-10542-001.patch
>
>
> {code}
> in = get(blockToKey(block), byteRangeStart);
> out = new BufferedOutputStream(new FileOutputStream(fileBlock));
> byte[] buf = new byte[bufferSize];
> int numRead;
> while ((numRead = in.read(buf)) >= 0) {
> {code}
> get() may return null.
> The while loop dereferences in without null check.
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