https://bz.apache.org/bugzilla/show_bug.cgi?id=69905
Bug ID: 69905
Summary: XSSFCell StackOverflowError possible in
getCellFormula()
Product: POI
Version: 5.4.2-FINAL
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P2
Component: XSSF
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
This line:
https://github.com/apache/poi/blame/094968cfc3d48224db08f0b7f0a6fc341b035114/poi-ooxml/src/main/java/org/apache/poi/xssf/usermodel/XSSFCell.java#L413
doesn't check first if the cell returned by the previous line is the current
cell. We apparently have some workbooks in our dataset with empty array
formulas somewhere, which cause this to throw StackOverflowError.
It should check for this.equals(cell) first, and return null or
f.getStringValue() if true.
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