User cannot create new pages from templates - pop-up hangs and error java.lang.IllegalArgumentException: Invalid UUID string: in logs.
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Summary
The user is having problems with the template popup when clicking on the 3 dots, beside Create button on the top Menu, pop-up that opens it just spins/hangs. Other users don't have any problems, using this functionality. The user testuser is not able to create new pages using templates.
Diagnosis
Environment
Confluence Server & Data Center version 7.19.2
Started the analysis from this stacktrace on atlassian-confluence.log :
2023-02-28 11:18:46,915 ERROR [http-nio-8090-exec-11] [plugins.createcontent.exceptions.RestExceptionMapper] toResponse Invalid UUID string:
– referer: https://<confluence-baseURL>/pages/viewpage.action?spaceKey=TEST&title=Test+Space | url: /confluence/rest/create-dialog/1.0/blueprints/web-items | traceId: 5fd7ca7c2d84568e | userName: testuser
java.lang.IllegalArgumentException: Invalid UUID string:
at java.base/java.util.UUID.fromString(Unknown Source)
at com.atlassian.confluence.plugins.createcontent.extensions.DefaultUserBlueprintConfigManager.getSkipKeys(DefaultUserBlueprintConfigManager.java:159)
at com.atlassian.confluence.plugins.createcontent.extensions.DefaultUserBlueprintConfigManager.getSkipHowToUseKeys(DefaultUserBlueprintConfigManager.java:52)
at com.atlassian.confluence.plugins.createcontent.rest.DefaultBlueprintWebItemService.getPluginItems(DefaultBlueprintWebItemService.java:220)
at com.atlassian.confluence.plugins.createcontent.rest.DefaultBlueprintWebItemService.getCreateContentWebItems(DefaultBlueprintWebItemService.java:115)
at com.atlassian.confluence.plugins.createcontent.rest.BlueprintResource.getWebItems(BlueprintResource.java:107)Based on this stack trace, we can see that the last Atlassian class/method used before the error is: DefaultUserBlueprintConfigManager.getSkipKeys
com.atlassian.confluence.plugins.createcontent.extensions.DefaultUserBlueprintConfigManager.getSkipKeys(DefaultUserBlueprintConfigManager.java:159)
Cause
From the source code, we see that Confluence user preferences for 'SKIP_HOW_TO_USE_BLUEPRINT_KEYS' is fetched into a String and this String is split with a comma (,) then these split ids try to be added to the UUID set. At this add operation, we got the error:
java.lang.IllegalArgumentException: Invalid UUID string:
at java.base/java.util.UUID.fromString(Unknown Source)
Based on this, the user preference data for 'SKIP_HOW_TO_USE_BLUEPRINT_KEYS' has some corruption or invalid data in it.
We will need to get data from the AO_54C900_CONTENT_BLUEPRINT_AO table for UUID values which we need to match the UUID values from user preference data stored in the os_propertyentry table. User preference data is stored in this table with the entity_name starting with USERPROPS-<userkey> Example from test instance:
entity_name | entity_id | entity_key | key_type | boolean_val | double_val | string_val |
| text_val | long_val | int_val | date_val |
|---|---|---|---|---|---|---|---|---|---|---|---|
USERPROPS-ff9191917c9eeb3e017c9ggh3f6d0000 | 0 | skip-how-to-use-blueprint-keys | 5 | false | 0 | e8806893-141e-475c-8371-eea53ab2d8af |
| "" | 0 | 0 | |
USERPROPS-ff8080817c9eeb3e017c9eef3f6d0000 | 0 | createdBlueprints | 5 | false | 0 | c43a8fac-1317-4df0-a4dd-85f93bff3208,e8806893-141e-475c-8371-eea53ab2d8af,e4bf46e7-95f7-4e3a-805f-3766cf1381c6 |
| "" | 0 | 0 |
From the user_mapping table data collected, we get the testuser user_key:
9a00d1ef8582b569018582bb84b74be8 = testuser
With that, we can collect its preferences using the below SQL query:
select * from os_propertyentry where lower(entity_key) like '%blueprint%' and entity_name = 'USERPROPS-9a00d1ef8582b569018582bb84b74be8';
Collecting this data will find the possible issue from there.
entity_name | entity_id | entity_key | key_type | boolean_val | double_val | string_val |
| text_val | long_val | int_val | date_val |
|---|---|---|---|---|---|---|---|---|---|---|---|
USERPROPS-9a00d1ef8582b569018582bb84b74be8 | 0 | skip-how-to-use-blueprint-keys | 5 | false | 0 | ,5c50a939-5ebf-49e9-918d-f9655d23da33 |
| "" | 0 | 0 | |
USERPROPS-9a00d1ef8582b569018582bb84b74be8 | 0 | createdBlueprints | 5 | false | 0 | 5c50a939-5ebf-49e9-918d-f9655d23da33 |
| "" | 0 | 0 |
We can see the comma (,) on string_val column.
Solution
It is safe to delete the row that contains information about 'skip-how-to-use-blueprint-keys' for the testuser user. It will only reset this user's preference on 'Do not show this again' on the Blueprint dialog. See the screenshot below to have better visibility:
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