Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/music-synthesizer-for-android/src/commit/7e0f289ed75c40a5a633416242eaf1e44aa11498/test/lib/junit-4.8.2.jar
You should set ROOT_URL correctly, otherwise the web may not work correctly.