Filipe Brandenburger wrote: > Hi, > > On Thu, May 8, 2008 at 6:00 PM, Rudi Ahlers <Rudi at softdux.com> wrote: > >> Exception in thread "main" java.lang.OutOfMemoryError: Cannot create >> > > It looks like it's running out of memory when starting more threads. > Did you check if you have enough memory in this server to run Tomcat? > I think you need at least 512MB for it, but I would recommend more. > > I know there are some tunings made to the JVM for it to request more > memory. If you do "ps -ef | grep java" when Tomcat is started you will > see some parameters starting with -X that will specify memory sizes, > check how much it requests. I don't really know how to tweak those, > check the script that starts Tomcat to see if it allows changing them. > > HTH, > Filipe > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > > What you're saying could be true, but I don't think it's the case. I have confirmed with the client, and he says that 128MB RAM would be enough for his app. [root at vps06 /]# /etc/init.d/tomcat5 restart Starting tomcat5: [ OK ] [root at vps06 /]# ps -ef | grep java tomcat 13918 1 62 02:40 ? 00:00:02 /usr/lib/jvm/java/bin/java -Dcatalina.ext.dirs=/usr/share/tomcat5/shared/lib:/usr/share/tomcat5/common/lib -Dcatalina.ext.dirs=/usr/share/tomcat5/shared/lib:/usr/share/tomcat5/common/lib -Djava.endorsed.dirs=/usr/share/tomcat5/common/endorsed -classpath /usr/lib/jvm/java/lib/tools.jar:/usr/share/tomcat5/bin/bootstrap.jar:/usr/share/tomcat5/bin/commons-logging-api.jar:/usr/share/java/mx4j/mx4j-impl.jar:/usr/share/java/mx4j/mx4j-jmx.jar -Dcatalina.base=/usr/share/tomcat5 -Dcatalina.home=/usr/share/tomcat5 -Djava.io.tmpdir=/usr/share/tomcat5/temp org.apache.catalina.startup.Bootstrap start [root at vps06 /]# ps -ef | grep java root 14011 12038 0 02:40 pts/0 00:00:00 grep java [root at vps06 /]# free -m total used free shared buffers cached Mem: 256 20 235 0 0 0 -/+ buffers/cache: 20 235 As you can see, the first time I ran "ps -ef | grep java" I could see that it's starting up, but the second time, it's not running I have another terminal open with top running, and the memory usage didn't even blink when I ran it -- Kind Regards Rudi Ahlers CEO, SoftDux Web: http://www.SoftDux.com Check out my technical blog, http://blog.softdux.com for Linux or other technical stuff, or visit http://www.WebHostingTalk.co.za for Web Hosting stuff