Unpatched iText found, cannot use glyph rendering

Question

i'm using SpringBoot and i'm trying to generate a report using Jasper Report 6.4.3, but keep getting this warning on console:

WARN 25847 --- [tp1694467519-34] n.s.j.engine.export.PdfGlyphRenderer     : Unpatched iText found, cannot use glyph rendering

and i can't get the report generated. can someone help me solving this?

Answer 1

Jasper uses a special version of iText: 2.1.7.js4

Correct version can be downloaded here