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From Jean-Baptiste Lièvremont (JIRA) <j...@apache.org>
Subject [jira] [Created] (ODFTOOLKIT-353) NullPointerException caused by ZipException, loading file generated by LibreOffice 3.6
Date Wed, 13 Feb 2013 11:06:13 GMT
Jean-Baptiste Lièvremont created ODFTOOLKIT-353:
---------------------------------------------------

             Summary: NullPointerException caused by ZipException, loading file generated
by LibreOffice 3.6
                 Key: ODFTOOLKIT-353
                 URL: https://issues.apache.org/jira/browse/ODFTOOLKIT-353
             Project: ODF Toolkit
          Issue Type: Bug
          Components: odfdom
    Affects Versions: odfdom-0.8.7, odfdom-0.8.8
         Environment: Oracle JDK 1.6.0_22 x64
Windows 7 Professional 64 bits
LibreOffice 3.6
            Reporter: Jean-Baptiste Lièvremont
         Attachments: empty.odt

I am trying to load the attached (?) empty ODT file generated with LibreOffice 3.6. I put
the file on the classpath in order to be able to load it through getResourceAsStream.

The NPE is as follows:
java.lang.NullPointerException
	at org.odftoolkit.odfdom.pkg.ZipHelper.entriesToMap(ZipHelper.java:86)
	at org.odftoolkit.odfdom.pkg.OdfPackage.readZip(OdfPackage.java:329)
	at org.odftoolkit.odfdom.pkg.OdfPackage.initializeZip(OdfPackage.java:324)
	at org.odftoolkit.odfdom.pkg.OdfPackage.<init>(OdfPackage.java:220)
	at org.odftoolkit.odfdom.pkg.OdfPackage.loadPackage(OdfPackage.java:275)
	at org.odftoolkit.odfdom.doc.OdfDocument.loadDocument(OdfDocument.java:219)
	at org.odftoolkit.odfdom.doc.OdfTextDocument.loadDocument(OdfTextDocument.java:150)
	at (redacted)

Debugging into ZipHelper, I found that the NPE is caused by an erroneous access to the "Java.version"
system property (which shoud probably read "java.version" - in lowercase).

Now, if I explicitly define Java.version (-DJava.version=1.6.0), I get the following ZipException:

java.util.zip.ZipException: invalid entry CRC (expected 0xef5e424d but got 0x585c5715)
	at java.util.zip.ZipInputStream.read(ZipInputStream.java:179)
	at java.util.zip.ZipInputStream.closeEntry(ZipInputStream.java:100)
	at java.util.zip.ZipInputStream.getNextEntry(ZipInputStream.java:78)
	at org.odftoolkit.odfdom.pkg.ZipHelper.entriesToMap(ZipHelper.java:83)
	at org.odftoolkit.odfdom.pkg.OdfPackage.readZip(OdfPackage.java:329)
	at org.odftoolkit.odfdom.pkg.OdfPackage.initializeZip(OdfPackage.java:324)
	at org.odftoolkit.odfdom.pkg.OdfPackage.<init>(OdfPackage.java:220)
	at org.odftoolkit.odfdom.pkg.OdfPackage.loadPackage(OdfPackage.java:275)
	at org.odftoolkit.odfdom.doc.OdfDocument.loadDocument(OdfDocument.java:219)
	at org.odftoolkit.odfdom.doc.OdfTextDocument.loadDocument(OdfTextDocument.java:150)
	at (redacted)

Of course, the file loads just fine in LibreOffice 3.6, as well as 7-Zip, but e.g Word 2010
also says that it is corrupt.

So my guess is that the ZipException is somehow provoked by an issue with LibreOffice 3.6
(but should not 7-Zip also complain in case of a bad CRC ?).

Anyhow, there is an unprotected read - and comparison - of an unexisting system property.

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