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https://issues.apache.org/jira/browse/COCOON-2168?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12575626#action_12575626
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Felix Knecht commented on COCOON-2168:
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I agree with Joerg that my patch is against the idea of buffering the whole
pipeline. OTH (looking at security issues) I think it can be dangerous to
accept Overflows by using a default configuration - I don't know how Java
behaves in this case.
That's why I'd prefer another default value than -1 if none is configured (no
matter if it's 8192 or 1024^2). But I think it should be a value which doesn't
causes the application to fail when run with default settings and using large
resource files.
> ResourceReader produces Java Heap Overflow when reading a huge resource
> -----------------------------------------------------------------------
>
> Key: COCOON-2168
> URL: https://issues.apache.org/jira/browse/COCOON-2168
> Project: Cocoon
> Issue Type: Bug
> Components: * Cocoon Core
> Affects Versions: 2.2-dev (Current SVN)
> Reporter: Felix Knecht
> Attachments: ResourceReader.diff, test-case.tar.gz
>
>
> When reading a huge resource (i.e. 700MB file) the ResourceReader produces an
> overflow due to the BufferedOutputStream which is used (and forced to be used
> via AbstractReader). The BufferedOutputStream flushes only at the end (or
> when forced to), but overwrites the flush method to do nothing.
> As I don't know exactly where the BufferedOutputStream is used and what kind
> of impacts it will have to change it there I'm just going to fix the
> ResourceReader.
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