I'm having this error Error: java: Illegal char
I'm having this error Error: java: Illegal char
This is the IDEA problem - not your project.
The easiest way to solve it is to do the following:
In the top panel of IDEA - > Archive - > Project Structure ( Ctrl + Alt + Shift + S ) - > Global Libraries - > " Delete " for the library " Juqery
"
For some reason, when " api.jquery
" is included as a Global Library - this will cause this error.