This error indicates a programming bug in Maven itself. To report this issue, please follow these steps:
- Capture the debug output of the failing build, e.g. by adding the flag
-X
to the command line and redirecting the console output of Maven to a file:mvn <your goals> -X > debug.log
- Create a ticket in our issue tracking system and attach the previously captured log output to this ticket.
- As the issue will likely only show up under certain circumstances, we need instructions how to reproduce it. For example, a minimal test project along with the command line that exhibits the issue would be highly appreciated.