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org.jboss.deployment.J2eeDeployer.startModules (J2eeDeployer.java:505) at org.jboss.deployment.J2eeDeployer.startApplication (J2eeDeployer.java:459) at org.jboss.deployment.J2eeDeployer.deploy (J2eeDeployer.java:190) at java.lang.reflect.Method.invoke(Native Method) at com.sun.management.jmx.MBeanServerImpl.invoke (MBeanServerImpl.java:1628) at com.sun.management.jmx.MBeanServerImpl.invoke (MBeanServerImpl.java:1523)
java.lang.IllegalArgumentException: addChild:  Child 
name '/webapp' is not unique
	at 
org.apache.catalina.core.ContainerBase.addChild
(ContainerBase.java:779)
	at 
org.apache.catalina.core.StandardHost.addChild
(StandardHost.java:478)
	at 
org.jboss.web.catalina.EmbeddedCatalinaServiceSX.crea
teWebContext(EmbeddedCatalinaServiceSX.java:328)
	at 
org.jboss.web.catalina.EmbeddedCatalinaServiceSX.perf
ormDeploy(EmbeddedCatalinaServiceSX.java:246)
	at 
org.jboss.web.AbstractWebContainer.deploy
(AbstractWebContainer.java:211)
	at java.lang.reflect.Method.invoke(Native 
Method)
	at 
com.sun.management.jmx.MBeanServerImpl.invoke
(MBeanServerImpl.java:1628)
	at 
com.sun.management.jmx.MBeanServerImpl.invoke
(MBeanServerImpl.java:1523)
	at 
org.jboss.deployment.J2eeDeployer.startModules
(J2eeDeployer.java:505)
	at 
org.jboss.deployment.J2eeDeployer.startApplication
(J2eeDeployer.java:459)
	at org.jboss.deployment.J2eeDeployer.deploy
(J2eeDeployer.java:190)
	at java.lang.reflect.Method.invoke(Native 
Method)
	at 
com.sun.management.jmx.MBeanServerImpl.invoke
(MBeanServerImpl.java:1628)
	at 
com.sun.management.jmx.MBeanServerImpl.invoke
(MBeanServerImpl.java:1523)	at org.jboss.deployment.AutoDeployer.deploy(AutoDeployer.java:395)	at org.jboss.deployment.AutoDeployer.run(AutoDeployer.java:233)	at java.lang.Thread.run(Unknown Source)