Cannot start sprint when user profile language set to German running AdoptOpenJDK 11.0.11+9
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Summary
Starting a sprint when the user profile language is in German causes an error or date format mismatch.
Global language: English
Indexing language: German
User profile language: German
Java : AdoptOpenJDK 11.0.11+9
Environment
Jira Software
Diagnosis
When Jira's global language is set to English and a user selects Germans as their personal language. This combination can block the user from starting a sprint if Jira is running using (AdoptOpenJDK 11.0.11+9)
Cause
Starting from version 9 OpenJDK started using CLDR Standard to represent patterns and formats which can cause mismatching issues with Jira's date/time patterns.
Solution
Since OpenJDK left a way to use the legacy settings, update Jira's startup configuration, using setEnvivroment script, and enable legacy locale provider
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