https://issues.apache.org/bugzilla/show_bug.cgi?id=53432
Priority: P2
Bug ID: 53432
Assignee: [email protected]
Summary: workbook.getAllPictures() throws NullPointerException
when called after adding an image to a workbook
without images
Severity: normal
Classification: Unclassified
OS: Windows XP
Reporter: [email protected]
Hardware: PC
Status: NEW
Version: 3.9-dev
Component: HSSF
Product: POI
Created attachment 28953
--> https://issues.apache.org/bugzilla/attachment.cgi?id=28953&action=edit
Test case, slightly modified snippet for adding an image from "quick guide".
Attached is the code to reproduce exception. This is basically snippet from
"Busy developers' guide" to add a picture except that saving workbook part is
skipped, instead there is a call to wb.getAllPictures() which throws
NullPointerException:
java.lang.NullPointerException
at
org.apache.poi.hssf.record.AbstractEscherHolderRecord.decode(AbstractEscherHolderRecord.java:261)
at
org.apache.poi.hssf.usermodel.HSSFWorkbook.getAllPictures(HSSFWorkbook.java:1639)
at ExcelImageNpeTest.test(ExcelImageNpeTest.java:46)
This also happens if instead of creating a workbook you open existing one
without any images inside, add image and call getAllPictures().
This does not happen when opening a workbook without images and calling
getAllPictures() without adding an image.
This does not happen when opening a workbook with images inside and adding a
new one (but getAllPictures().size() will return previous number of images,
i.e. will not take into account just added one).
Also happens with PNG images.
Does not happen with XSSF workbook.
Tested with 3.8 and build 20120613 from Jenkins.
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