JAG3D - problem with starting application

by Micha ⌂, Wednesday, June 20, 2018, 07:56 (29 days ago) @ Alija

Hi Alija,

after your instruction, I'm getting this message from cmd.

Fine. I was able to reproduce your error and I will release a robuster version during the next days. The problem is the so-called history file (which stores the last opened projects). Your history file is corrupt because the entries contain invalid path characters. The error message is:

java.nio.file.InvalidPathException: Illegal char <?> at index 41: C:\Users\alija\Desktop\...

Currently, the InvalidPathException is not catched by JAG3D but I will fix the problem.

To start your current version of JAG3D, please delete the history file (or correct the content in your history file). The history file is located at:


It is a simple ASCII file that contains the file path of the last opened projects (one project per line). I believe, at least one project contains the problematic ?-character which causes the InvalidPathException.


applied-geodesy.org - OpenSource Least-Squares Adjustment Software for Geodetic Sciences

JAG3D, history file

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