https://bz.apache.org/bugzilla/show_bug.cgi?id=68336
Bug ID: 68336
Summary: java.lang.NullPointerException in
org.apache.poi.openxml4j
Product: POI
Version: 5.2.3-FINAL
Hardware: PC
OS: Mac OS X 10.1
Status: NEW
Severity: normal
Priority: P2
Component: OPC
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 39458
--> https://bz.apache.org/bugzilla/attachment.cgi?id=39458&action=edit
Crash sample
Recently we discovered a bug in poi (5.2.3).
Due to the lack of contextual knowledge in the poi library, we cannot
thoroughly fix some bugs hence we look forward to any proposed plan from the
developers in fixing these bugs.
# Crash Stack
Exception in thread "main" java.lang.NullPointerException
at
org.apache.poi.openxml4j.opc.PackagePartName.throwExceptionIfEmptyURI(PackagePartName.java:204)
at
org.apache.poi.openxml4j.opc.PackagePartName.throwExceptionIfInvalidPartUri(PackagePartName.java:173)
at
org.apache.poi.openxml4j.opc.PackagePartName.<init>(PackagePartName.java:82)
at
org.apache.poi.openxml4j.opc.PackagingURIHelper.createPartName(PackagingURIHelper.java:481)
at
org.apache.poi.openxml4j.opc.internal.ContentTypeManager.parseContentTypesFile(ContentTypeManager.java:411)
at
org.apache.poi.openxml4j.opc.internal.ContentTypeManager.<init>(ContentTypeManager.java:102)
at
org.apache.poi.openxml4j.opc.internal.ZipContentTypeManager.<init>(ZipContentTypeManager.java:53)
at
org.apache.poi.openxml4j.opc.ZipPackage.getPartsImpl(ZipPackage.java:282)
at
org.apache.poi.openxml4j.opc.OPCPackage.getParts(OPCPackage.java:749)
at org.apache.poi.openxml4j.opc.OPCPackage.open(OPCPackage.java:322)
at org.apache.poi.ooxml.util.PackageHelper.open(PackageHelper.java:59)
at
org.apache.poi.xssf.usermodel.XSSFWorkbook.<init>(XSSFWorkbook.java:290)
at
org.apache.poi.xssf.usermodel.XSSFWorkbook.<init>(XSSFWorkbook.java:286)
at com.test.Entry.main(Entry.java:32)
# Test Program
package com.test;
import java.io.File;
import java.io.InputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellType;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
public class Entry {
public static void main (String args[]) throws IOException {
assert args.length == 1;
System.out.println("Testing Harness with args[0]: " + args[0]);
try {
FileInputStream fis = new FileInputStream(args[0]);
Workbook workbook = null;
workbook = new XSSFWorkbook(fis);
int numberOfSheets = workbook.getNumberOfSheets();
for(int i=0; i < numberOfSheets; i++){
Sheet sheet = workbook.getSheetAt(i);
Iterator<Row> rowIterator = sheet.iterator();
while (rowIterator.hasNext())
{
String name = "";
String shortCode = "";
Row row = rowIterator.next();
Iterator<Cell> cellIterator =
row.cellIterator();
while (cellIterator.hasNext())
{
Cell cell = cellIterator.next();
if (cell.getCellType() == CellType.STRING){
name = cell.getStringCellValue().trim();
System.out.println("Random data::"+ name);
} else if (cell.getCellType() ==
CellType.NUMERIC){
System.out.println("Random
data::"+cell.getNumericCellValue());
}
}
}
fis.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
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