Bug - error message

GanttProject Desktop Support
#1

On starting - opening a .gan project file created in a previous session - the following error messages are generated:
Writing log to /home/nick/.ganttproject.d/.ganttproject-20201003222549.log
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.itextpdf.text.pdf.MappedRandomAccessFile$1 (file:/usr/share/ganttproject/plugins/2.8.11/org.ganttproject.impex.htmlpdf/lib/itextpdf-5.3.1.jar) to method java.nio.DirectByteBuffer.cleaner()
WARNING: Please consider reporting this to the maintainers of com.itextpdf.text.pdf.MappedRandomAccessFile$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release

I’m using version 2.8.11

#2

We know it, thanks. It is not a bug and these messages are warnings, not errors.

#3

The messages are warnings, OK. But this is still a bug. Warnings have a purpose. They flag bugs that need to be fixed, even though they don’t actually cause the program to crash.