https://bz.apache.org/bugzilla/show_bug.cgi?id=59026
Bug ID: 59026
Summary: NullPointerException when try to Exports XLSX data
using Custom XML Mapping
Product: POI
Version: 3.14-dev
Hardware: All
OS: All
Status: NEW
Severity: critical
Priority: P2
Component: XSSF
Assignee: [email protected]
Reporter: [email protected]
Created attachment 33568
--> https://bz.apache.org/bugzilla/attachment.cgi?id=33568&action=edit
Zip containing sample xsd, XLSX with Custom Mapping and code to reproduce this
issue
I got the following exception when try to export XLSX data using my Custom XML
Mapping. Its due to the following line. I comment out this line as a workaround
in my project because xml in sorted order is not my requirement. This issue
occur because my XML Schema contains Anonymous complex types and Abstract
complex types. I need a lot of changes to use all named complex types and
remove abstract types from my schema. Can I go with this workaround and expect
you will fix this issue in next release, so I don't need to rebuild the whole
project for this single line change. You may give an overrided method with an
additional boolean parameter to get whether need sorting or not like validation
as a quick fix for this.
XSSFExportToXml:153
Collections.sort(xpaths, this);
Here is the exception.
Exception in thread "main" java.lang.NullPointerException
at
org.apache.poi.xssf.extractor.XSSFExportToXml.indexOfElementInComplexType(XSSFExportToXml.java:449)
at
org.apache.poi.xssf.extractor.XSSFExportToXml.compare(XSSFExportToXml.java:430)
at
org.apache.poi.xssf.extractor.XSSFExportToXml.compare(XSSFExportToXml.java:1)
at java.util.TimSort.countRunAndMakeAscending(Unknown Source)
at java.util.TimSort.sort(Unknown Source)
at java.util.TimSort.sort(Unknown Source)
at java.util.Arrays.sort(Unknown Source)
at java.util.Collections.sort(Unknown Source)
at
org.apache.poi.xssf.extractor.XSSFExportToXml.exportToXML(XSSFExportToXml.java:153)
at
org.apache.poi.xssf.extractor.XSSFExportToXml.exportToXML(XSSFExportToXml.java:106)
I attached a zip containing sample xsd, XLSX with Custom Mapping and code to
reproduce this issue.
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