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Posted to dev@avro.apache.org by "Martin Jubelgas (JIRA)" <ji...@apache.org> on 2018/12/19 20:38:00 UTC
[jira] [Commented] (AVRO-2286) DataFileReader leaks file descriptor
on exception during construction
[ https://issues.apache.org/jira/browse/AVRO-2286?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16725327#comment-16725327 ]
Martin Jubelgas commented on AVRO-2286:
---------------------------------------
Don't think that's a big one. I'll be trying to submit a fix for this ASAP. Thanks for providing a test, too ;)
> DataFileReader leaks file descriptor on exception during construction
> ---------------------------------------------------------------------
>
> Key: AVRO-2286
> URL: https://issues.apache.org/jira/browse/AVRO-2286
> Project: Apache Avro
> Issue Type: Bug
> Components: java
> Affects Versions: 1.8.2
> Reporter: Holger Fleischmann
> Priority: Major
> Attachments: DataFileReaderCloseBug.java
>
>
> The constructor {{DataFileReader(File, DatumReader)}} does not close the already opened file again when it throws an exception. This leads to a leaked file descriptor and especially to not being able to delete the still open invalid file then (at least on Windows).
> This case is important when Avro files may be truncated on write, e.g. due to a hard shutdown, and the application must be able to recover from such a situation on the next restart.
> Please see the attached file {{DataFileReaderCloseBug.java}} to reproduce the problem.
> I did not find that problem in Jira/mailing lists. Thanks for your help in advance :)
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