Thanks again Bernd... I couldn't find the hserr files under the temp or james directories. Considering we faced Too Many open files issue, will it prevent the JVM from not creating this file ? I am clueless on this issue. No process Killed James, Noone stopped James.. No OOM in logs.. No core dump :) :(
Regarding the file system I will verify. As far as I know we have a NAS... On Sat, Mar 28, 2015 at 3:50 AM, Bernd Waibel <bwai...@intarsys.de> wrote: > Hi Mahesh, > > Don't missunderstand: Out-of-file-handle COULD lead to a memory leak, > consuming memory time by time. But not NEED to. > > OOMs will normally been shown in the log, as I know, but we got this only > for the heap memory. > OOMs normally happen if the heap memory will reach the limit, and yes, we > got this in the logs, sometimes. > Every time I got an OOM in log, I restarted the server. Just to be sure it > keeps running. > So I do not have long running servers with a lot of OOM errors. So: no > experience with that. > > But you could also get short on memory for the java classes (Native area, > Method area), and I am not sure if this will show up in the log. Never had > this with james. I got his when running JIRA long ago, but could not > remember the log. > > The PID (process ID) is something handled by the linux system, it is > outside James, and I think you won't find it in log. > But the PID is created on startup (phonix.sh), and may be logged in the > shell script to somewhere, together with a time stamp. > But not in the james logs. > > If your sysadmins do use a monitoring tool (like nagios or icinga) the may > monitor the memory. > You could also monitor the memory inside the VM using JMX, but this is a > little bit hard to set up. > > But anyway: the memory may NOT be the problem. So do not spend to much > time on that. > > If you could find a hserr*.pid file, the file will tell the reason for > "crashing". > > > There is something else I could remember. But with another software. > If the log file is stored on a file server (not a local directory), and > the file server will reboot, you will loose the log. > We got a java process which "died", cause the file server has been > rebooted at midnight, and the java process lost all mounted directories. > After that we made sure that the log directory is always local. And the > programm directory too. > You may check if your server uses mounted file systems. > > > Greetings > Bernd > > -----Ursprüngliche Nachricht----- > Von: Mahesh Sivarama Pillai [mailto:srm...@gmail.com] > Gesendet: Freitag, 27. März 2015 15:17 > An: James Users List > Betreff: Re: URGENT HELP: James 2.3.2 not responding after few days of run > > Hi Bernd, > > Thanks for the pointers. Let me ask the Sys admin on these details. Btw, > will this memory leak be shown in the logs? I couldn't find any OOM errors > in any of the logs. When the issue, happened, our team restarted the > server. It will create a new PID rite ? Is there a way we can see the old > pids from the james logs ? > > Thanks > Mahesh > > On Fri, Mar 27, 2015 at 7:33 PM, Bernd Waibel <bwai...@intarsys.de> wrote: > > > Hi Mahesh > > > > to man open files may result in a memory leak. > > Could the sysadmin monitor the memory? > > > > It is a java prozess. Is there a file called hserr*.pid? That is > > produced if the vm crashes. > > > > Ciao > > Bernd > > > > > > -------- Ursprüngliche Nachricht -------- > > Von: Mahesh Sivarama Pillai <srm...@gmail.com> > > Datum: 27.03.2015 14:18 (GMT+01:00) > > An: James Users List <server-user@james.apache.org> > > Betreff: URGENT HELP: James 2.3.2 not responding after few days of run > > > > Hi, > > > > I need an urgent help. We have rolled out James 2.3.2 to production > > for our email processing application. I see that James getting > > shutdown (no trace in the phoenix.console) after few days of run. It > > processes around 100K email a day and sends a good amount of > > Notification through RemoveDelivery. > > > > I have verified the logs but I couldn't find any reason for this > > abnormal shutdown. I have seen couple of "Too Many Open Files" errors > > in smtpserver log and spoolmanager log. But I think those will not bring > down the server. > > Will they ? I am not sure if James is killed by some other Linux process. > > James is running under a user (eg: james) account with sudo access to > > run on port 25. Since I don't have root access, what all areas that I > > look to figure out what the problem is ? If I want to talk to Sys > > Admin, what all information that I should ask him/her to gather ? > > > > James is running on a 4 CPU machine with 8GB RAM. Heapsize of James is > > set to 4GB. > > > > I have configured to run James as service in Linux. I am not sure if > > our Sys Admin run the chkconfig command. Is there any impact of not > > running this command ? Please provide your inputs as early as possible.. > > > > > > Thanks > > Mahesh > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: server-user-unsubscr...@james.apache.org > For additional commands, e-mail: server-user-h...@james.apache.org >
