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https://issues.apache.org/jira/browse/MYFACES-4228?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16462804#comment-16462804
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Thomas Andraschko commented on MYFACES-4228:
--------------------------------------------
A patch would be great!
> File Descriptor leak in DefaultFaceletFactory
> ---------------------------------------------
>
> Key: MYFACES-4228
> URL: https://issues.apache.org/jira/browse/MYFACES-4228
> Project: MyFaces Core
> Issue Type: Bug
> Affects Versions: 2.2.12
> Environment: CentOS 7
> Reporter: Peter Rainer
> Priority: Major
> Fix For: 2.2.13, 2.3.2
>
>
> URLConnection opened in line 346 of DefaultFaceletFactory.java is never closed
>
>
> {code:java}
> try
> {
> URLConnection conn = facelet.getSource().openConnection();
> long lastModified = ResourceLoaderUtils.getResourceLastModified(conn);
> return lastModified == 0 || lastModified > target;
> }
> catch (IOException e)
> {
> throw new FaceletException("Error Checking Last Modified for " +
> facelet.getAlias(), e);
> }
> {code}
>
> While this usually isn't an issue in most production environments, because
> the javax.faces.FACELETS_REFRESH_PERIOD is set either -1 or a high value,
> this can cause unexpected side effects in both test and hot-deploy production
> environments.
>
> The result of this issue is that every time the lastModified for a composite
> component is checked, the composite component file descriptor does stay open
> - on my test environment we did have 500k open file descriptors for composite
> component xhtml files.
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