Upgrade to 8.0.4 or 8.1.0 causing get ThreadLocalCache is not initialised warnings in the atlassian-confluence.log

Issue Summary

This is reproducible on Data Center: yes

The application logs is flooded with "get ThreadLocalCache is not initialised" warnings after upgrade to Confluence 8.0.4 for every operation on the application UI.

Steps to Reproduce

1. Upgrade to Confluence 8.0.4 or start new instance of Confluence 8.0.4
2. Navigate through different functionality on the UI.

Expected Results

The WARN messages should not appear continuously in the application logs.

Actual Results

The below WARN message is shown in the atlassian-confluence.log file:

2023-02-14 14:50:24,560 WARN [http-nio-8090-exec-1] [atlassian.confluence.cache.ThreadLocalCache] get ThreadLocalCache is not initialised. Could not retrieve value for key GLOBAL_SETTINGS -- url: /confluence/status | traceId: 74ec3c52d5bd5679  

This is filling up the application logs continuously.

Workaround

• To avoid restarting Confluence and to pick up the change, Go to    > General Configuration > Logging and Profiling.
• Add New Entry

  Class/Package Name	com.atlassian.confluence.cache.ThreadLocalCache
  New Level	ERROR

• You can also choose to add this to your <confluence_install>/confluence/WEB-INF/classes/log4j.properies file that will be picked during startup :

  log4j.logger.com.atlassian.confluence.cache.ThreadLocalCache=ERROR