Changes for page Troubleshooting
Last modified by kindler on 2025/05/14 16:54
Summary
-
Page properties (1 modified, 0 added, 0 removed)
-
Attachments (0 modified, 0 added, 2 removed)
Details
- Page properties
-
- Content
-
... ... @@ -4,10 +4,6 @@ 4 4 (% class="wikigeneratedid" %) 5 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 6 7 -== Temporary problems == 8 - 9 -Currently none known. 10 - 11 11 == Jupyter notebook environment ("Lab") related == 12 12 13 13 === Error message "Error in Authenticator.pre_spawn_start: ... 401: Unauthorized" === ... ... @@ -37,21 +37,19 @@ 37 37 [[image:1623846323177-898.png||height="287" width="350"]] 38 38 39 39 40 -=== Error message:"Couldnot identifyEBRAINS kernel "===36 +=== Test jobs make problems at Jülich === 41 41 42 - If yournotebookshows "RuntimeError: Could notidentifyEBRAINS kernel (probably too old version).Please selectthe appropriatekernelEBRAINS_experimental_release.": Please check,whether anEBRAINS kernelhas beenselectedas kernelfor thenotebook execution.In the examplescreenshotbelow the "Python 3 (ipykernel)" hasbeenused,asshownintheupper right handcornerof thetab with thenotebook.38 +Since August 2021 accessing the "Lab" link in the left hand navigation menu brings up a site selection menu: 43 43 44 -[[image:1 666184857320-440.png]]40 +[[image:Screenshot 2021-08-30 at 19.00.59.png||height="252" width="300"]] 45 45 42 +Via choosing a different lab execution site it is be possible to choose a specific site, if there are specific needs for the created Jupyter virtual machine for a given task (e.g. a large memory requirement). Currently all the examples do not need any site specific features, so you can select in principle any site. The "safe choice" is to use CSCS as the primary execution site. 46 46 47 -Fix: click the current kernel name to get the kernel selection dialog box and select the "EBRAINS_experimental_release" kernel (blue highlight in the screenshot shown below): 48 48 49 - [[image:image-20221019150927-1.png]]45 +=== === 50 50 51 -(% class="wikigeneratedid" %) 52 -=== Import error for hbp_service_client === 53 53 54 - Thehbp_service_client was needed for the now not-existing-any-longer Collaboratory version 1. The import line can be deleted from scripts.48 + 55 55 56 56 == BrainScaleS-2 specific == 57 57
- 1666184857320-440.png
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.kindler - Size
-
... ... @@ -1,1 +1,0 @@ 1 -80.1 KB - Content
- image-20221019150927-1.png
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.kindler - Size
-
... ... @@ -1,1 +1,0 @@ 1 -85.0 KB - Content
- 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