JBDS6:

"-Dprogram.name=JBossTools: JBoss SOA 531_ER4 Runtime"
-server -Xms256m -Xmx768m -XX:MaxPermSize=256m -Djava.net.preferIPv4Stack=true
-Dsun.rmi.dgc.client.gcInterval=3600000 -Dsun.rmi.dgc.server.gcInterval=3600000 "-Djava.endorsed.dirs=/jboss/local/SOA_servers/531_ER4/jboss-soa-p-5/jboss-as/lib/endorsed"

SOA 5.3.1 run.conf:

if [ "x$JAVA_OPTS" = "x" ]; then
JAVA_OPTS="-Xms1303m -Xmx1303m -XX:MaxPermSize=256m -Djava.awt.headless=true -Dorg.apache.xml.dtm.DTMManager=org.apache.xml.dtm.ref.DTMManagerDefault -Dorg.jboss.net.protocol.file.useURI=false -Dorg.jboss.resolver.warning
=true -Dsun.rmi.dgc.client.gcInterval=3600000 -Dsun.rmi.dgc.server.gcInterval=3600000 -Dsun.lang.ClassLoader.allowArraySyntax=true"
fi