Peter, Thanks for your quick reply I add JAVA_OPTS="-Xms128m -Xmx512m -Dsun.rmi.dgc.client.gcInterval=3600000 -Dsun.rmi.dgc.server.gcInterval=3600000" -Djavax.xml.transform.TransformerFactory=org.apache.xalan.xsltc.trax.SmartTransformerFactoryImpl in run.bat but I still got an error. I am not the issue is in the Java Virtual Machine. is this a proper way in setting my web application I create a deploy.bat below is the content @echo off set JAVA_HOME=C:\j2sdk1.4.2_12 set JBossHome=C:\jboss-3.2.7 "%JAVA_HOME%\bin\jar.exe" -cvf iproof.war *.jsp WEB-INF copy iproof.war "%JBossHome%\server\default\deploy" pause and run the deploy.bat Hope you can help me on this Thanks, Elmer View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4044492#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...