The application seems to get stuck after a few minutes

The Graphical Editor seems to crash after a few minutes of working.
It happens both on Mars and Neon.

It is necessary to kill the process and start the eclipse again.

Start by reproducing the Graphical Editor hang after several minutes on both Mars and Neon, then collect the relevant Eclipse or application logs before the process is killed. The issue does not name files, tests, or an expected failure detail; done means identifying and fixing the cause so the editor remains usable without restarting.

Written by the indexing model from the issue text.