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https://issues.apache.org/jira/browse/WSCOMMONS-506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12764984#action_12764984
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Andreas Veithen commented on WSCOMMONS-506:
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Rich,

I'm not suggesting to provide a "keep until" property, but to clearly identify 
the root cause of this issue and to implement a solution that fixes it once and 
for all. A timeout implementation may be a workaround, but IMHO it is not a 
good solution because it doesn't address the root cause, which is that 
Axiom/Axis2 is unable to properly manage the lifecycle of the resources it 
allocates.

> 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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