Changes for page Troubleshooting

Last modified by kindler on 2025/05/14 16:54
From version 13.1
edited by kindler
on 2021/06/16 14:25
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To version 7.1
edited by kindler
on 2021/05/06 08:45
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3 3  === Error message "Error in Authenticator.pre_spawn_start: ... 401: Unauthorized" ===
4 4  
5 -When a new user accesses the Lab in a new collab for the first time, it is possible, that the JuypterLab is not starting and instead shows a "...401 Unauthorized" message.
5 +To fix this error when starting the "Lab", please access the "Drive" link in the collab once (left hand navigation menu of the Collab)
6 6  
7 -To fix this error, please access the **"Drive"** link in the collab once (the "Drive" is also in the left hand navigation menu of the Collab). After the "Drive" has been accesses once the JupyterLab should start.
8 -
9 9  === No example notebooks in the Jupyter notebook environment ("Lab") ===
10 10  
11 11  When starting the Jupyter notebook environment for the first time it takes about a minute (without visible "in progress" indication) until the example files appear in the file-chooser. Until then the list is just empty. So the fix here is "have a minute patience"
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17 17  It is possible, that accessing the "Lab" link results in a "timeout" message. This can happen, when the lab environment is started for the first time on one of the virtual machines providing the service, as the very first start per machine takes quite some time (in the order of 2 minutes). Accessing the "Lab" link again after a few minutes usually works.
18 18  
19 -== BrainScaleS specific tips ==
17 +== Problems with the BrainScaleS-2 service on 4 May 2021 ==
20 20  
21 -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.
19 +On 4 May 2021 the BrainScaleS services are instable / partly unreachable due to hardware works in Heidelberg.
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