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https://issues.apache.org/jira/browse/WSCOMMONS-506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12766156#action_12766156
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Andreas Veithen commented on WSCOMMONS-506:
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Rich,
There are two points in your analysis that don't seem very convincing to me:
- If I understand correctly, you're saying that Java doesn't provide enough
guarantees to use finalization to reliably clean up temporary files. If
finalization is used together with File#deleteOnExit (or a shutdown hook), can
you give me an example where this would cause a leak (and where a timeout based
solution doesn't)?
- Your argument about FileAccessor is only relevant if client code can get
access to that object. However, I fail to see how you can get from the
Attachments object to any of the FileAccessor instances. Can you point me to
the code that allows this?
> Temporary copies of MTOM attachments are not deleted from the file system in
> a timely manner
> --------------------------------------------------------------------------------------------
>
> Key: WSCOMMONS-506
> URL: https://issues.apache.org/jira/browse/WSCOMMONS-506
> Project: WS-Commons
> Issue Type: Bug
> Components: AXIOM
> Reporter: Wendy Raschke
> Assignee: Rich Scheuerle
> Attachments: WSCOMMONS-506.patch
>
>
> When customers send MTOM attachments having a certain size, the Axis2 runtime
> uses Axiom to make copies of these attachments and name them with a pattern
> of AxisXXXXXX.att, where XXXXXX is an arbitrary sequence of integers. These
> copies may not be deleted in a timely manner, and may be removed only when
> the JVM exits. This can cause a lot of files to accumulate on the customer's
> file system and eat up disk space, and some of these files can be quite large.
> Note that the internal sizeThreshold property controls whether attachment
> files are written to memory or as files to the disk.
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