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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=11744 write of empty document corrupts file Summary: write of empty document corrupts file Product: POI Version: 1.5.1 Platform: Other OS/Version: Windows NT/2K Status: NEW Severity: Major Priority: Other Component: POIFS AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] Problem observed with 1.5.1, 1.7.0, and nightly build 1.8.0-dev-20020813. POIFS does not "write" an empty document stream correctly (i.e. a document that is zero bytes in length). Failure is observed when trying to read the document in the form of an IOException with the message of either "Cannot remove block[ 0 ]; out of range" or "block[ 0 ] already removed". Example method to reproduce: // construct a new POIFSFileSystem with an empty document POIFSFileSystem fs = new POIFSFileSystem(); fs.getRoot().createDocument("Foo", new ByteArrayInputStream(new byte[0])); // save the document into a byte array ByteArrayOutputStream out = new ByteArrayOutputStream(); fs.writeFilesystem(out); // now try to read the POIFSFileSystem from that byte array. new POIFSFileSystem(new ByteArrayInputStream(out.toByteArray())); This was recently posted on poi-dev, but has been added here to make sure the bug is tracked and not forgotten about. The post on poi-dev has much more detail than what's here. See: http://www.mail-archive.com/poi-dev%40jakarta.apache.org/msg03105.html -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
