https://bz.apache.org/bugzilla/show_bug.cgi?id=58443
Bug ID: 58443
Summary: Corrupted workbook: sheet contains overlapping merged
regions
Product: POI
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: SS Common
Assignee: dev@poi.apache.org
Reporter: javenon...@gmail.com
Depends on: 58350
It's currently possible in POI to create a spreadsheet with overlapping merged
regions. When saved to a file, this results in a corrupted workbook that
Microsoft Excel must repair before being able to read.
In order to eliminate the possibility of creating a corrupted workbook from
merged regions, Sheet.addMergedRegion(CellRangeAddress) should check existing
merged regions for any existing regions that overlap with the candidate.
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