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List:       poi-dev
Subject:    DO NOT REPLY [Bug 12136] New:  -
From:       bugzilla () apache ! org
Date:       2002-08-28 19:46:22
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=12136

NullPointerException when reading a large excel file

           Summary: NullPointerException when reading a large excel file
           Product: POI
           Version: unspecified
          Platform: PC
        OS/Version: Windows NT/2K
            Status: NEW
          Severity: Critical
          Priority: Other
         Component: HSSF
        AssignedTo: poi-dev@jakarta.apache.org
        ReportedBy: elvira_gurevich@ibi.com


Running code from jakarta-poi-1.7.0-dev-bin.zip,
I get the following stack trace when reading a file of about 130 rows and 4 
columns( not really that big!):
java.lang.NullPointerException
        at org.apache.poi.hssf.usermodel.HSSFSheet.setPropertiesFromSheet(HSSFSh
eet.java:174)
        at org.apache.poi.hssf.usermodel.HSSFSheet.<init>(HSSFSheet.java:136)
        at org.apache.poi.hssf.usermodel.HSSFWorkbook.<init>(HSSFWorkbook.java:1
64)
        at org.apache.poi.hssf.usermodel.HSSFWorkbook.<init>(HSSFWorkbook.java:1
90)
        at com.ibi.preparsers.XDExcelpreParser.transform(XDExcelpreParser.java:1
07)
        at com.ibi.edaqm.XDWorker.parseAndValidate(XDWorker.java:1202)
        at com.ibi.edaqm.XDWorker.parseAndValidate(XDWorker.java:1147)
        at com.ibi.edaqm.XDFileWorker.run(XDFileWorker.java:208)
        at java.lang.Thread.run(Thread.java:484)

This does not happen when the file has 1 row less.
The call to HSSFWorkbook is as following:
        HSSFWorkbook workbook = new HSSFWorkbook(new ByteArrayInputStream
(input.getBytes()));
where the file was initially read into a String input.

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