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https://issues.apache.org/jira/browse/YARN-2484?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14132758#comment-14132758
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Hudson commented on YARN-2484:
------------------------------
SUCCESS: Integrated in Hadoop-Hdfs-trunk #1870 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/1870/])
YARN-2484. FileSystemRMStateStore#readFile/writeFile should close
FSData(In|Out)putStream in final block. Contributed by Tsuyoshi OZAWA (jlowe:
rev 78b048393a80a9bd1399d08525590bb211a32d8c)
* hadoop-yarn-project/CHANGES.txt
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/FileSystemRMStateStore.java
> FileSystemRMStateStore#readFile/writeFile should close
> FSData(In|Out)putStream in final block
> ---------------------------------------------------------------------------------------------
>
> Key: YARN-2484
> URL: https://issues.apache.org/jira/browse/YARN-2484
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Tsuyoshi OZAWA
> Assignee: Tsuyoshi OZAWA
> Priority: Trivial
> Fix For: 2.6.0
>
> Attachments: YARN-2484.1.patch, YARN-2484.2.patch
>
>
> File descriptors can leak if exceptions are thrown in these methods.
> {code}
> private byte[] readFile(Path inputPath, long len) throws Exception {
> FSDataInputStream fsIn = fs.open(inputPath);
> // state data will not be that "long"
> byte[] data = new byte[(int)len];
> fsIn.readFully(data);
> fsIn.close();
> return data;
> }
> {code}
> {code}
> private void writeFile(Path outputPath, byte[] data) throws Exception {
> Path tempPath =
> new Path(outputPath.getParent(), outputPath.getName() + ".tmp");
> FSDataOutputStream fsOut = null;
> // This file will be overwritten when app/attempt finishes for saving the
> // final status.
> fsOut = fs.create(tempPath, true);
> fsOut.write(data);
> fsOut.close();
> fs.rename(tempPath, outputPath);
> }
> {code}
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