cstamas commented on PR #11303:
URL: https://github.com/apache/maven/pull/11303#issuecomment-3425610887

   Yes, exactly as you wrote. But have to note, that IMO this affects ONLY 
"repeated embedded executor usage", hence ITs. There, embedded executor keeps 
"hot" embedded Maven, and as we saw, sporadically happens only (tl;dr toolbox 
plugin execution returns with empty string but without error, as stdout output 
landed on surefire out; causing all kind of havoc in ITs as given IT instead 
deleting own files starts deleting whole local repository). But, when it 
happens, it causes a range on weird issues and at the end IT failures. 
   
   One of these issues were recorded as 
https://github.com/apache/maven-resolver/issues/1636 but now I am sure this is 
not a bug per-se, but in fact one of the "symptoms" of this bug (as two or more 
parallel executing IT make each other fails, by pulling the rug beneath them, 
as one just nuke local repository).


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