Hi Emmanuel,

On 21.08.25 23:18, Emmanuel Lecharny wrote:
Hi Thomas,

On 21/08/2025 15:33, Thomas Wolf wrote:
On 21.08.25 10:59, Emmanuel Lecharny wrote:
Hi,

sorry to bother you, but I have tried to build the project, and it always ends this way after around 30mins:

[INFO] Running org.apache.sshd.server.shell.InvertedShellWrapperTest
[INFO] Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.083 s -- in org.apache.sshd.server.shell.InvertedShellWrapperTest
[INFO] Running org.apache.sshd.spring.SpringConfigTest

[1]+  Stopped                 mvn clean install

on my Linux Debian 12 box.

Suspending a running foreground process in a shell is usually Ctrl-Z.
Maybe the shell running the maven process gets a Ctrl-Z somehow?

No. I have launched it many times, on both Java 17 and 21, and I see the build stop at least 3 times before succeeding (I use fg to restart the build).

If you figure out what caused it I'd be interested to know!

Something must be sending a SIGSTOP or SIGTSTP to that maven process. Maybe running under strace similar to [1] might give some clues.

At which tests do these three stops occur? Maybe it is something these particular tests do that causes such behavior on some machines...

I ran the tests on a Linux VM I happened to have around (from some other testing; it's CentOS 7 though), and could not reproduce the issue.

Cheers,

  Thomas

[1] https://unix.stackexchange.com/questions/186200/whats-the-easiest-way-to-detect-what-signals-are-being-sent-to-a-process

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