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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 51948] New: Data written to parts not readable
Date Tue, 04 Oct 2011 09:32:25 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=51948

             Bug #: 51948
           Summary: Data written to parts not readable
           Product: POI
           Version: 3.8-dev
          Platform: PC
            Status: NEW
          Severity: major
          Priority: P2
         Component: XWPF
        AssignedTo: dev@poi.apache.org
        ReportedBy: bernd.fuhrmann@stm-media.de
    Classification: Unclassified


Created attachment 27683
  --> https://issues.apache.org/bugzilla/attachment.cgi?id=27683
test case

In the attached test case I'm reading a file with a comments part and the try
to change the comments part via commentspart.getOutputStream().

This leads to the execution of PackagePart.getOutputStream(), which will try to
convert a read-only part to a writable part (MemoryPackagePart). 

The problem is, that this will have no influence on the parts I get via
doc.getRelations(). So when I later try to read the comments part, it will
serve me the old data, originally read from the file and not what I have
written to it. It will however write the correct data.

I know there are workarounds, but still I'd like to file this as a bug.

IMHO, it's necessary to get rid of the strange conversion done in
PackagePart.getOutputStream(). That really is weird. But that's just my opinion
then. Any ideas? Or am I expecting the wrong thing from POI framework or
misusing the API?

I was using 3.8-beta4

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