[GitHub] [dolphinscheduler] liqingwang commented on pull request #10399: [Bug][Tools] Add datasource url for mysql profile in tools application.yaml

[GitBox <gi...@apache.org>]

liqingwang commented on PR #10399:
URL: https://github.com/apache/dolphinscheduler/pull/10399#issuecomment-1153683348

   `export DATABASE=${DATABASE:-h2}` 
   
   This field DATABASE is the key to letting the Spring choose the active profile.
   
   And the active profile will choose the DB `driver-class-name` automatically.
   
   `dolphinscheduler-standalone-server/src/main/bin/start.sh` miss this line. 
   
   So you seted the MySQL URL and other information, but the DB `driver-class-name` is still PostgreSQL, So you can see the error is `Caused by: java.lang.RuntimeException: Driver com.mysql.cj.jdbc.Driver claims to not accept jdbcUrl, jdbc:postgresql://127.0.0.1:5432/dolphinscheduler`
   
   And the more detailed information about why we don't need to define URL in YAML file,  you can see https://github.com/apache/dolphinscheduler/issues/10103#issuecomment-1131238019


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