Apache Derby DB Error Code XRE09 – Cannot start replication slave mode for database ‘‘.

In this blog post, let’s learn about the error message “XRE09- Cannot start replication slave mode for database ‘‘.” in Apache Derby Database and the description of the error.

Error Message

XRE09- Cannot start replication slave mode for database ‘‘.

Error Details

Cannot start replication slave mode for database ‘‘. The database has already been booted.