java.lang.NullPointerException: This exception has no message.

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via Coderanch by vicky ece, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at jxl.biff.DVParser.(DVParser.java:669)
at jxl.biff.BaseCellFeatures.getDVParser(BaseCellFeatures.java:501)
at jxl.write.biff.SheetWriter.writeDataValidation(SheetWriter.java:1137)
at jxl.write.biff.SheetWriter.write(SheetWriter.java:581)
at jxl.write.biff.WritableSheetImpl.write(WritableSheetImpl.java:1558)
at jxl.write.biff.WritableWorkbookImpl.write(WritableWorkbookImpl.java:950)
at bugTest.BugTest1.main(BugTest1.java:20)

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