On Mon, Sep 13, 2010 at 08:29:58PM +0200, Elmar Bschorer wrote: > Eugene Yunak wrote: > >On 13 September 2010 17:36, Elmar Bschorer > ><elmar.bscho...@bugconsulting.de> wrote: > >>Samir SAADA wrote: > >>>On Sun, Sep 12, 2010 at 11:37:37AM +0200, Elmar Bschorer wrote: > >>>>hi list, > >>>> > >>>>when i try to connect to a jvm pid with jconsole for debugging i end > >>>>up with a "connection failed". > >>>> > >>>>i also tried connecting to a remote process ending up with the same > >>>>error. when i try to connect with jconsole to the same remote > >>>>process from a linux system it works. so it seems that jmx is > >>>>configured successfully on the remote side. > >>>> > >>>>are there any security related issues on 4.7 that prevent me from > >>>>establishing a connection with jconsole? > >>>> > >>>you do not give detailed description of your problem, > >>>anyway, it works ok here, > >>>check your network settings including /etc/hosts. > >>I didn't make any changes to /etc/hosts. > >> > >>I am running a fresh installation of OpenBSD 4.7 (stable). I installed > >>tomcat5.5 via pkg_add. > >>I start tomcat with startup.sh (as root) and then i start jconsole (as root > >>as well). jconsole starts up and i can choose a process-id to connect to > >>(localy running). I choose tomcat's pid but the connection fails after a > >>minute or so. > >> > > > > > >pfctl -d ? > > > > > > > yes - i had stopped the firewall as well... but meanwhile i found > the problem. Samir SAADA was right. The problem was my /etc/hosts:-( > > the ip resolution for my hostname was mapped to my em0 network > interface ip-address. but when i tried to connect to tomcat with > jconsole i had the iwn0 (wireless) interface up with a different > ip-adress. Since I changed that all works great!
Java does that a lot. I've had problems with java problems and needing to have /etc/hosts modified (when of course anything sane worked perfectly without it). If anyone knows a good solution for that i would love to hear it. java stuff that does networking + laptops where the ip changes often enough are a painful combination -0- -- Dentist, n.: A Prestidigitator who, putting metal in one's mouth, pulls coins out of one's pockets. -- Ambrose Bierce, "The Devil's Dictionary"