On Mon, 11 Jan 2010, Scott Callaghan wrote:
I get a null pointer exception when I use a WorkbookFactory.create()
java.lang.NullPointerException
at org.apache.poi.util.PackageHelper.copy(PackageHelper.java:129)
at org.apache.poi.util.PackageHelper.clone(PackageHelper.java:87)
at org.apache.poi.util.PackageHelper.clone(PackageHelper.java:44)
at org.apache.poi.POIXMLDocument.ensureWriteAccess(POIXMLDocument.java:185)
at org.apache.poi.xssf.usermodel.XSSFWorkbook.<init>(XSSFWorkbook.java:169)
at
org.apache.poi.ss.usermodel.WorkbookFactory.create(WorkbookFactory.java:63)
This looks to me like there's something corrupt in the relationship
definitions in your file. Can you upload the file so we can take a look?
(When you pass in an input stream, we have to do an in-memory buffer/copy
to work on it. You'll save memory by passing the file directly to
opcpackage, but that requires you to know it's xssf ahead of time)
Nick
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