Jupyter startup leads to multiple errors on JS console
Reproduce:
- Open JS console in browser (in FF pressing "F12")
- Open JupyterLab/Reload
Here for Jupyter-devel these messages are logged:
- WARN:
11:09:08.762 unreachable code after return statement vendors~main.fde9ca774f8ad6512c71.js:1:3096260
- WARN:
11:09:08.762 unreachable code after return statement vendors~main.fde9ca774f8ad6512c71.js:1:5490018
- WARN:
11:09:09.551 Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user’s experience. For more help http://xhr.spec.whatwg.org/ vendors~main.fde9ca774f8ad6512c71.js:1:460424
- WARN:
11:09:10.047 Deprecated include of L.Mixin.Events: this property will be removed in future releases, please inherit from L.Evented instead. D@https://jupyter-jsc.fz-juelich.de/user/c.witzler@fz-juelich.de/catalyst/static/lab/vendors~main.fde9ca774f8ad6512c71.js:1:2275923 4R65/</O.extend@https://jupyter-jsc.fz-juelich.de/user/c.witzler@fz-juelich.de/catalyst/static/lab/vendors~main.fde9ca774f8ad6512c71.js:1:2274925 OTXi@https://jupyter-jsc.fz-juelich.de/user/c.witzler@fz-juelich.de/catalyst/static/lab/vendors~main.fde9ca774f8ad6512c71.js:1:6048599 a@https://jupyter-jsc.fz-juelich.de/user/c.witzler@fz-juelich.de/catalyst/static/lab/main.b103a828618f71e66792.js:1:1004 mGYY@https://jupyter-jsc.fz-juelich.de/user/c.witzler@fz-juelich.de/catalyst/static/lab/vendors~main.fde9ca774f8ad6512c71.js:1:10712508 a@https://jupyter-jsc.fz-juelich.de/user/c.witzler@fz-juelich.de/catalyst/static/lab/main.b103a828618f71e66792.js:1:1004 MIrW@https://jupyter-jsc.fz-juelich.de/user/c.witzler@fz-juelich.de/catalyst/static/lab/vendors~main.fde9ca774f8ad6512c71.js:1:5754805 a@https://jupyter-jsc.fz-juelich.de/user/c.witzler@fz-juelich.de/catalyst/static/lab/main.b103a828618f71e66792.js:1:1004 O3wJ@https://jupyter-jsc.fz-juelich.de/user/c.witzler@fz-juelich.de/catalyst/static/lab/vendors~main.fde9ca774f8ad6512c71.js:1:6014288 a@https://jupyter-jsc.fz-juelich.de/user/c.witzler@fz-juelich.de/catalyst/static/lab/main.b103a828618f71e66792.js:1:1004 xtrE@https://jupyter-jsc.fz-juelich.de/user/c.witzler@fz-juelich.de/catalyst/static/lab/vendors~main.fde9ca774f8ad6512c71.js:1:17326954 a@https://jupyter-jsc.fz-juelich.de/user/c.witzler@fz-juelich.de/catalyst/static/lab/main.b103a828618f71e66792.js:1:1004 12aA@https://jupyter-jsc.fz-juelich.de/user/c.witzler@fz-juelich.de/catalyst/static/lab/vendors~main.fde9ca774f8ad6512c71.js:1:1838201 a@https://jupyter-jsc.fz-juelich.de/user/c.witzler@fz-juelich.de/catalyst/static/lab/main.b103a828618f71e66792.js:1:1004 u@https://jupyter-jsc.fz-juelich.de/user/c.witzler@fz-juelich.de/catalyst/static/lab/main.b103a828618f71e66792.js:1:27462 vendors~main.fde9ca774f8ad6512c71.js:1:2275782
-
11:09:10.247 hub-extension: Found configuration Object { hubHost: "", hubPrefix: "/hub/" } vendors~main.fde9ca774f8ad6512c71.js:1:16072900
- WARN:
11:09:10.105 unreachable code after return statement vendors~main.fde9ca774f8ad6512c71.js:1:3096260
-
11:09:10.776 Starting application in workspace: "/lab" vendors~main.fde9ca774f8ad6512c71.js:1:9642329
-
11:09:10.791 JupyterLab extension jupyterlab_iframe is activated! vendors~main.fde9ca774f8ad6512c71.js:1:16875393
-
11:09:10.791 JupyterFrontEnd extension lmod is activated! vendors~main.fde9ca774f8ad6512c71.js:1:3202188
- ERR:
11:09:11.495 TypeError: this._themes[e] is undefined vendors~main.fde9ca774f8ad6512c71.js:1:3167923
-
11:09:18.377 Starting WebSocket: wss://jupyter-jsc.fz-juelich.de/user/c.witzler@fz-juelich.de/catalyst/api/kernels/d45ce518-b2bc-4eba-b6d6-a435654f3175 vendors~main.fde9ca774f8ad6512c71.js:1:8931353
-
11:09:18.564 Kernel: connected (d45ce518-b2bc-4eba-b6d6-a435654f3175) vendors~main.fde9ca774f8ad6512c71.js:1:8947866
-
11:09:19.021 Object { destroy: u(), fireConnectionReady: (), onConnectionReady: (), fireConnectionClose: (), onConnectionClose: (), fireConnectionError: (), onConnectionError: (), isA: isA(), getConfig: (), getConfigDecorator: (), … } vendors~main.fde9ca774f8ad6512c71.js:1:2876636
- ERR:
11:09:19.528 SyntaxError: JSON.parse: unexpected character at line 2 column 1 of the JSON data
- WARN:
11:09:21.137 unreachable code after return statement vendors~main.fde9ca774f8ad6512c71.js:1:5490018
Edited by Christian Witzler