Where is this command line to set the maximum heap size located?  Please
help, I am kind of new to this staff!

----- Original Message -----
From: "Craig R. McClanahan" <[EMAIL PROTECTED]>
To: "Tomcat Users List" <[EMAIL PROTECTED]>; "Max Hugen"
<[EMAIL PROTECTED]>
Sent: Friday, August 24, 2001 10:41 PM
Subject: Re: OutOfMemory - Set Java Heap Size?


> The "java" command line option you want is actually "-Xmx256m" to set the
> maximum heap size.  To set this, you can establish an environment variable
> named TOMCAT_OPTS (Tomcat 3.x) or CATALINA_OPTS (Tomcat 4.x) that contains
> the command line options to be sent to the JVM.  For example:
>
>   export TOMCAT_OPTS="-Xmx256m"
>   $TOMCAT_HOME/bin/tomcat.sh start
>
> Craig McClanahan
>
>
> On Sat, 25 Aug 2001, Max Hugen wrote:
>
> > Date: Sat, 25 Aug 2001 13:00:41 +1000
> > From: Max Hugen <[EMAIL PROTECTED]>
> > Reply-To: [EMAIL PROTECTED], Max Hugen
<[EMAIL PROTECTED]>
> > To: Tomcat Users List <[EMAIL PROTECTED]>
> > Subject: OutOfMemory - Set Java Heap Size?
> >
> > I run Linux/Apache/Tomcat plus Oracle on a server with 512Mb of memory.
I
> > have successfully implemented a couple of Internet applications using
JSP,
> > Servlets (plus Oracle) etc.
> >
> > For each application (and client) I start a new Tomcat session, using a
> > custom server.xml for each one. All was ok, until I tried increasing
Tomcat
> > sessions from 6 to 7, then I received the java.lang.OutOfMemoryError
when
> > starting the Tomcat sessions.
> >
> > I've read through many of the posts on this subject, some of which
suggest
> > to increase the "heap" size. Unfortunately, I'm a newbie to Java (and
Linux
> > and JSP and Oracle <g>) so I don't know how to either check this heap
size,
> > nor how to permanently set it to a value via a script using a switch
> > like -Xms256m.
> >
> > The script I use to start Tomcat follows, plus the console output. Could
> > anyone advise how to set the heap please?
> >
> >
> > Many thanks,
> >
> > Max Hugen   [EMAIL PROTECTED]
> > Hugen Enterprises Pty Ltd, Sydney, Australia
> > www.hugen.com.au
> > Internet Application Developers
> >
> > >>>>>>>>>Script Start>>>>>>>>
> > echo "~~~~~~~~Tomcat Startup ~~~~~~~~~~~~~"
> > echo "Start an instance of Tomcat for hugen"
> > /usr/local/tomcat/bin/startup.sh -f /usr/local/tomcat/conf/server_he.xml
> > echo "Start an instance of Tomcat for yass3i"
> > /usr/local/tomcat/bin/startup.sh -f
/usr/local/tomcat/conf/server_yass3i.xml
> > echo "Start an instance of Tomcat for isp"
> > /usr/local/tomcat/bin/startup.sh -f
/usr/local/tomcat/conf/server_isp.xml
> > echo "Start an instance of Tomcat for im2000i"
> > /usr/local/tomcat/bin/startup.sh -f
> > /usr/local/tomcat/conf/server_im2000i.xml
> > echo "Start an instance of Tomcat for secure"
> > /usr/local/tomcat/bin/startup.sh -f
/usr/local/tomcat/conf/server_secure.xml
> > echo "Start an instance of Tomcat for aedo"
> > /usr/local/tomcat/bin/startup.sh -f
/usr/local/tomcat/conf/server_aedo.xml
> > echo "Start an instance of Tomcat for ncap"
> > /usr/local/tomcat/bin/startup.sh -f
/usr/local/tomcat/conf/server_ncap.xml
> > # Give Tomcat time to start before restarting Apache.
> > echo "Waiting 45 secs..."
> > sleep 45
> > # Restart Apache to register Tomcat properly.
> > echo "Restart Apache"
> > /etc/rc.d/init.d/httpd stop
> > /etc/rc.d/init.d/httpd start
> > sleep 2
> > echo "Ok, we should be in business!"
> > >>>>>>>>>Script End>>>>>>>>
> >
> > >>>>>>>>>Console Output Start>>>>>>>>
> > Starting tomcat. Check logs/tomcat.log for error messages
> > Starting tomcat. Check logs/tomcat.log for error messages
> > Starting tomcat. Check logs/tomcat.log for error messages
> > Starting tomcat. Check logs/tomcat.log for error messages
> > Starting tomcat. Check logs/tomcat.log for error messages
> > Starting tomcat. Check logs/tomcat.log for error messages
> > Starting tomcat. Check logs/tomcat.log for error messages
> >
> > Restart Apache
> >
> > Exception in thread "main" java.lang.OutOfMemoryError: unable to create
new
> > native thread
> >         at java.lang.Thread.start(Native Method)
> >         at
> >
org.apache.tomcat.util.ThreadPool$ControlRunnable.<init>(ThreadPool.java:465
> > )
> >         at
> > org.apache.tomcat.util.ThreadPool.openThreads(ThreadPool.java:360)
> >         at org.apache.tomcat.util.ThreadPool.start(ThreadPool.java:148)
> >         at
> >
org.apache.tomcat.service.PoolTcpEndpoint.startEndpoint(PoolTcpEndpoint.java
> > :245)
> >         at
> >
org.apache.tomcat.service.PoolTcpConnector.start(PoolTcpConnector.java:188)
> >         at
> > org.apache.tomcat.core.ContextManager.start(ContextManager.java:527)
> >         at org.apache.tomcat.startup.Tomcat.execute(Tomcat.java:202)
> >         at org.apache.tomcat.startup.Tomcat.main(Tomcat.java:235)
> >
> > Exception in thread "main" java.lang.OutOfMemoryError: unable to create
new
> > native thread
> >         at java.lang.Thread.start(Native Method)
> >         at
> >
org.apache.tomcat.util.ThreadPool$MonitorRunnable.<init>(ThreadPool.java:382
> > )
> >         at org.apache.tomcat.util.ThreadPool.start(ThreadPool.java:149)
> >         at
> >
org.apache.tomcat.service.PoolTcpEndpoint.startEndpoint(PoolTcpEndpoint.java
> > :245)
> >         at
> >
org.apache.tomcat.service.PoolTcpConnector.start(PoolTcpConnector.java:188)
> >         at
> > org.apache.tomcat.core.ContextManager.start(ContextManager.java:527)
> >         at org.apache.tomcat.startup.Tomcat.execute(Tomcat.java:202)
> >         at org.apache.tomcat.startup.Tomcat.main(Tomcat.java:235)
> >
> > Shutting down Web Service: httpd
> >
> > /etc/rc.d/init.d/httpd: fork: Resource temporarily unavailable
> >  Web Service: /usr/sbin/httpd
> >
> > >>>>>>>>>Console Output End>>>>>>>>
> >
> >
>
>

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