ResourceReader produces Java Heap Overflow when reading a huge resource
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                 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
            Assignee: Felix Knecht


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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