The attached mavenised example demonstrated the observed behaviour.
In essence the following is observed:
Using line 1; line 3 above should execute with no exceptions. For v2.12.1 this is observed. For v2.13.0; line 3 throws an exception because the logFile has a open lock still active.
When line 2 is substituted for line 1. Line 3 executes with no exception for both v2.12.1 and v2.13.0
I was able to determine that this behavior change was introduced by