Apache POI autoSizeColumn Resizes Incorrectly

Question

I\'m using Apache POI in java to create an excel file. I fill in the data then try to autosize each column, however the sizes are always wrong (and I think consiste

Answer 1

This is probably related to this POI Bug which is related to Java Bug JDK-8013716: Renderer for Calibri and Cambria Fonts fails since update 45.

In this case changing the Font or using JRE above 6u45 / 7u21 should fix the issue.

You can also mtigitate the issue and avoid the columns from being totally collapsed by using a code like this:

    sheet.autoSizeColumn(x);

    if (sheet.getColumnWidth(x) == 0) {
      // autosize failed use MIN_WIDTH
      sheet.setColumnWidth(x, MIN_WIDTH);
    }