JBOSS 启动出错..急..

   用的是jboss 5.0 ...  启动就出现这样的错误??  请高手棒棒忙...指点一下org.jboss.deployers.spi.DeploymentException: Error deploying: DefaultPersistenceProperties
at org.jboss.deployers.spi.DeploymentException.rethrowAsDeploymentException(DeploymentException.java:49)
at org.jboss.deployers.vfs.deployer.kernel.BeanMetaDataDeployer.deploy(BeanMetaDataDeployer.java:128)
at org.jboss.deployers.vfs.deployer.kernel.BeanMetaDataDeployer.deploy(BeanMetaDataDeployer.java:51)
at org.jboss.deployers.spi.deployer.helpers.AbstractSimpleRealDeployer.internalDeploy(AbstractSimpleRealDeployer.java:62)
at org.jboss.deployers.spi.deployer.helpers.AbstractRealDeployer.deploy(AbstractRealDeployer.java:50)
at org.jboss.deployers.plugins.deployers.DeployerWrapper.deploy(DeployerWrapper.java:169)
at org.jboss.deployers.plugins.deployers.DeployersImpl.doDeploy(DeployersImpl.java:1285)
at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1003)
at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1024)
at org.jboss.deployers.plugins.deployers.DeployersImpl.install(DeployersImpl.java:944)
at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)
at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1598)
at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)
at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1062)
at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)
at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)
at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)
at org.jboss.deployers.plugins.deployers.DeployersImpl.process(DeployersImpl.java:627)
at org.jboss.deployers.plugins.main.MainDeployerImpl.process(MainDeployerImpl.java:541)
at org.jboss.system.server.profileservice.ProfileServiceBootstrap.loadProfile(ProfileServiceBootstrap.java:265)
at org.jboss.system.server.profileservice.ProfileServiceBootstrap.start(ProfileServiceBootstrap.java:143)
at org.jboss.bootstrap.AbstractServerImpl.start(AbstractServerImpl.java:409)
at org.jboss.Main.boot(Main.java:209)
at org.jboss.Main$1.run(Main.java:544)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.IllegalStateException: DefaultPersistenceProperties is already installed.
at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:716)
at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:540)
at org.jboss.deployers.vfs.deployer.kernel.BeanMetaDataDeployer.deploy(BeanMetaDataDeployer.java:124)
... 23 more
16:04:19,171 ERROR [ProfileServiceBootstrap] Failed to load profile: Summary of incomplete deployments (SEE PREVIOUS ERRORS FOR DETAILS):*** CONTEXTS IN ERROR: Name -> Errorvfsfile:/E:/jboss-5.0.0.CR2-jdk6/jboss-5.0.0.CR2/server/default/deploy/test3.war/ -> java.lang.IllegalStateException: DefaultPersistenceProperties is already installed.
16:04:19,218 INFO  [Http11Protocol] Starting Coyote HTTP/1.1 on http-127.0.0.1-8088
16:04:19,234 INFO  [AjpProtocol] Starting Coyote AJP/1.3 on ajp-127.0.0.1-8009
16:04:19,250 INFO  [ServerImpl] JBoss (Microcontainer) [5.0.0.CR2 (build: SVNTag=JBoss_5_0_0_CR2 date=200809171139)] Started in 3m:19s:969ms