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Posted to hdfs-issues@hadoop.apache.org by "Vinayakumar B (JIRA)" <ji...@apache.org> on 2014/11/17 06:15:33 UTC

[jira] [Updated] (HDFS-7399) Lack of synchronization in DFSOutputStream#Packet#getLastByteOffsetBlock()

     [ https://issues.apache.org/jira/browse/HDFS-7399?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vinayakumar B updated HDFS-7399:
--------------------------------
    Attachment: HDFS-7399-001.patch

Thanks [~tedyu] for reporting.
Since this is causing findbugs test failed in all recent jenkins runs, I am going ahead and submitting patch.

> 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
>            Priority: Minor
>         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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