Changes for page Troubleshooting
Last modified by kindler on 2025/05/14 16:54
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... ... @@ -1,9 +7,3 @@ 1 -(% class="wikigeneratedid" %) 2 -This page collects some more commonly encountered problems when using the systems via the Collaboratory. 3 - 4 -(% class="wikigeneratedid" %) 5 -For more information on the Collaboratory, please seee the [[documentation of the EBRAINS Collaboratory environment>>https://wiki.ebrains.eu/bin/view/Collabs/the-collaboratory/]]. 6 - 7 7 == Jupyter notebook environment ("Lab") related == 8 8 9 9 === Error message "Error in Authenticator.pre_spawn_start: ... 401: Unauthorized" === ... ... @@ -74,16 +74,12 @@ 74 74 75 75 The BrainScaleS-2 interactive examples need the BrainScaleS client software. Currently (December 2021) this software is not available from the started-by-default "Python 3" kernel in the Jupyter lab, but requires the "EBRAINS_release_...." kernel. Please choose the kernel by clicking the kernel name in the lower left hand corner of the Lab window ("Python 3" in the screenshot) 76 76 77 -[[image:1639576461861-804.png ||height="42" width="456"]]71 +[[image:1639576461861-804.png]] 78 78 79 79 Then select the "EBRAINS_release_..." kernel from the dialog box and run the example again. 80 80 81 -[[image:1639576524483-695.png ||height="259" width="420"]]75 +[[image:1639576524483-695.png]] 82 82 83 -It may be necessary to restart the newly chosen kernel via "Kernel > restart Kernel" from the menu. 84 - 85 -[[image:1639576718553-361.png||height="125" width="518"]] 86 - 87 87 == BrainScaleS-1 specific == 88 88 89 89 The [[BrainScaleS external user chat>>https://chat.bioai.eu/external-users/channels/town-square]] has service announcements (e.g. when a system is down due to maintenance) and is also a good place to ask general questions.
- Temporary problems
- Jupyter notebook environment ("Lab") related
- Error message "RuntimeError: EBRAINS kernel mismatch. Expected: EBRAINS-24.04 Actual: EBRAINS-25.02. Please select the appropriate kernel."
- Error message "Error in Authenticator.pre_spawn_start: ... 401: Unauthorized"
- No example notebooks in the Jupyter notebook environment ("Lab")
- Timeout when starting the Jupyter notebook environment ("Lab")
- Lab error message "Cannot open - Could not find path..."
- Error message: "Could not identify EBRAINS kernel "
- Import error for hbp_service_client
- BrainScaleS-2 specific
- BrainScaleS-1 specific
- Spikey