hadoop-hdfs-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Eli Reisman (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4156) Seeking to a negative position should throw an IOE
Date Thu, 08 Nov 2012 21:32:16 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4156?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eli Reisman updated HDFS-4156:
------------------------------

    Attachment: HDFS-4156-1.patch

Is this all it would need?
                
> Seeking to a negative position should throw an IOE
> --------------------------------------------------
>
>                 Key: HDFS-4156
>                 URL: https://issues.apache.org/jira/browse/HDFS-4156
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 1.0.0, 2.0.0-alpha
>            Reporter: Eli Collins
>              Labels: newbie
>         Attachments: HDFS-4156-1.patch
>
>
> Credit to [~vanzin] for finding this. If you seek() to a position before the start of
the file, the seek() call succeeds, and the following read() call throws an NPE. A more friendly
approach would be to fail the seek() call.
> {noformat}
> Exception in thread "main" java.lang.NullPointerException
> at org.apache.hadoop.hdfs.DFSInputStream.readWithStrategy(DFSInputStream.java:670)
> at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:685)
> at java.io.DataInputStream.read(DataInputStream.java:83)
> at fstest.main(fstest.java:12)
> {noformat}

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira

Mime
View raw message