gnodet commented on PR #12733:
URL: https://github.com/apache/maven/pull/12733#issuecomment-5396307051
Thanks for the contribution! The root cause identification is correct — the
stdout logger is hardcoded to `INFO_INT` and ignores the quiet-mode log level.
However, this fix has an unintended side effect: setting the stdout logger
to `ERROR_INT` causes the output to be **suppressed entirely**, not just
stripped of the prefix. The output path is:
```java
PrintStream psOut = new LoggingOutputStream(s -> stdout.info("[stdout] " +
s)).printStream();
```
Since the message is emitted via `stdout.info(...)`, an ERROR-level logger
silences it completely — both the `[INFO] [stdout]` prefix *and* the actual
value. So `mvn -q help:evaluate -DforceStdout` would produce no output at all
instead of the clean value.
The correct approach is to bypass the `LoggingOutputStream` wrapper entirely
in quiet mode (same as `--raw-streams`), which I've implemented in #12810.
Closing in favor of that PR.
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