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https://issues.apache.org/jira/browse/HDFS-7399?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14216303#comment-14216303
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Hudson commented on HDFS-7399:
------------------------------
SUCCESS: Integrated in Hadoop-Mapreduce-trunk-Java8 #9 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/9/])
HDFS-7399. Lack of synchronization in
DFSOutputStream#Packet#getLastByteOffsetBlock() (Contributed by Vinayakumar B)
(vinayakumarb: rev 6783d17fcf5b25165767888f756a6b7802ab1371)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSOutputStream.java
> Lack of synchronization in DFSOutputStream#Packet#getLastByteOffsetBlock()
> --------------------------------------------------------------------------
>
> Key: HDFS-7399
> URL: https://issues.apache.org/jira/browse/HDFS-7399
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Vinayakumar B
> Priority: Minor
> Fix For: 2.7.0
>
> Attachments: HDFS-7399-001.patch
>
>
> {code}
> long getLastByteOffsetBlock() {
> return offsetInBlock + dataPos - dataStart;
> {code}
> Access to fields of Packet.this should be protected by synchronization as
> done in other methods such as writeTo().
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