jboss运作几天后自动关闭

jboss运行几天后自动关闭
jboss5.0.0GA上部署EJB3,发现运行一段时间后,会自行关闭。
异常为:
2011-09-17 14:53:34,071 INFO  [org.jboss.bootstrap.microcontainer.ServerImpl] (JBoss Shutdown Hook) Runtime shutdown hook called, forceHalt: true
2011-09-17 14:53:34,071 DEBUG [org.jboss.web.tomcat.service.deployers.TomcatService] (JBoss Shutdown Hook) Saw org.jboss.system.server.stopped notification, stopping connectors


解决办法:
编辑run.sh
set JAVA_OPTS=%JAVA_OPTS% -Xms128m -Xmx512m -Xrs