https://bz.apache.org/bugzilla/show_bug.cgi?id=64707
Bug ID: 64707
Summary: Editing existing XSSFTable without header corrupts
xlsx
Product: POI
Version: 4.1.x-dev
Hardware: All
OS: All
Status: NEW
Severity: critical
Priority: P2
Component: XSSF
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Editing a XSSFTable without header leads to a corrupted x
Steps to reproduce:
1) Create a XLSX with a XSSFTable and remove / hide the header.
2) Use Apache POI to open the XLSX file and add a few lines to the table
3) Adjust the AreaReference to cover all added data
4) Write XLSX and open in Excel
The method XSSFTable.updateHeaders() always updates the table headers
regardless of getHeaderRowCount().
Therefore it tries to write the first row of data into the header names.
Suggestion for a fix: XSSFTable::updateHeaders, line 821:
Extend the existing "if" with a check for getHeaderRowCount() > 0
<< if (row != null && row.getCTRow().validate()) {
>> if (row != null && row.getCTRow().validate() && getHeaderRowCount() > 0) {
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