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From "Kevan Miller (JIRA)" <>
Subject [jira] Commented: (GERONIMO-4871) Something blocking 'kill -3' signals?
Date Tue, 27 Oct 2009 18:17:00 GMT


Kevan Miller commented on GERONIMO-4871:

Thanks for the ideas Quintin.

Agreed that there's something unique in G 2.2. I don't know of any javaagent changes in 2.2.
JMX changed, but current branches/2.1 has also changed the way that JMX is started in a 2.1.5-SNAPSHOT
server. There are some new/updated libraries in 2.2, also. I'm running geronimo in foreground
( run) and we don't capture STDOUT or redirect to file.

The same Geronimo binary works fine on Linux using the same command to start (i.e. prints
thread stacks), testing on Mac OS doesn't work.  So, something in 2.2 seems to cause different
behavior unique to Mac OS.

In the scheme of things, this is relatively minor. And may well be a Mac OS JDK bug... Will
leave it open for now...

> Something blocking 'kill -3' signals?
> -------------------------------------
>                 Key: GERONIMO-4871
>                 URL:
>             Project: Geronimo
>          Issue Type: Bug
>      Security Level: public(Regular issues) 
>            Reporter: Kevan Miller
>             Fix For: 2.2.1
> I occasionally use 'kill -3' to cause a java process to dump all thread stacks. For some
reason, this isn't working on Geronimo 2.2

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