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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7494) Checking of closed in DFSInputStream#pread() should be protected by synchronization
Date Tue, 16 Dec 2014 17:26:13 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14248530#comment-14248530
] 

Ted Yu commented on HDFS-7494:
------------------------------

TestOfflineEditsViewer passed with patch.
The failure doesn't seem to be related.

> Checking of closed in DFSInputStream#pread() should be protected by synchronization
> -----------------------------------------------------------------------------------
>
>                 Key: HDFS-7494
>                 URL: https://issues.apache.org/jira/browse/HDFS-7494
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>            Priority: Minor
>         Attachments: hdfs-7494-001.patch, hdfs-7494-002.patch
>
>
> {code}
>   private int pread(long position, byte[] buffer, int offset, int length)
>       throws IOException {
>     // sanity checks
>     dfsClient.checkOpen();
>     if (closed) {
> {code}
> Checking of closed should be protected by holding lock on "DFSInputStream.this"



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