mvnd does not signal test run completion do NetBeans IDE

[homberghp]

Affected version

1.0.2 and 2.0.0-rc3

Bug description

When you set mvnd as the build system in NetBeans IDE, the test result output window stays in a mode that indicates that it is waiting for some kind of event (file, output) that does not occur.

Running mvnd and mvn appear to produce the same output.

How to reproduce:

1. Have a (recent) version of NetBeans IDE installed.
2. set mvnd as the maven implementation in options> Java> maven>
3. Make sure the test results window is visuble
4. test the project

Notice how the test result status/buttons are not enabled, and that the marching ants keep marching.

Test result window.

I have filed this as an issue with apache netbeans too, and do not know who is to blame/how to solve.

Maybe it is the way in which an inferior java session is started and signalled as completed, since the daemon should will stay alive, and only the client stops.

[cstamas]

@mbien what is the "signal" we miss?

[mbien]

Hi @cstamas. This is probably a NB bug. Code needs some more cleanup ;)

[mbien]

this is a known issue. The EventSpy is disabled if maven parallel modes are detected. Without event tracking some features can't see maven phases in detail.

If NB sees -Dmvnd.threads=1 or -Dmvnd.serial it will inject the EventSpy and things should work as expected.

@cstamas This can be likely closed since it isn't a mvnd issue.

[cstamas]

@gnodet can we do something about this?

[cstamas]

@mbien maybe we'd need some other signaling in NB? Could NB hook into sessionOnClose for example?

[mbien]

NB has a fallback mode when used without event spy. This particular issue is likely a regression of that fallback mode, but I haven't verified my suspicion yet (likely apache/netbeans#7979)

NB does also know when the process is done, so (this particular issue) would be fixable in multiple ways. But the proper fix would be to categorize events in EventSpy so that it knows what stages they are from - this would allow using it in parallel modes. Before that, there needs to be more cleanup though - that area is a bit messy still.

[mbien]

feel free to close this since mvnd is working fine, sorry for the noise. (NB patch: apache/netbeans#8539)