Build & Deploy Error during Jboss startup using 'run.sh' script

Below is the error encountered for xml's when the run.sh script is run to start jboss. Please help me out with the resolution for the same ...

18:09:18,873 DEBUG [ProfileServiceBootstrap] Using MainDeployer: org.jboss.deployers.plugins.main.MainDeployerImpl@76147414
18:09:18,890 DEBUG [AbstractDeploymentContext] Added component VFSCache$realCache#1 to file:/home/jboss/jboss-eap-5.2/jboss-as/server/default/conf/bootstrap/vfs.xml
18:09:18,892 DEBUG [ProfileServiceBootstrap] Failed to build ManagedDeployment for: AbstractKernelDeployment@7b322401{name=file:/home/jboss/jboss-eap-5.2/jboss-as/server/default/conf/bootstrap/vfs.xml installed=true beanFactories=[AbstractBeanMetaData@18d9fcd7{name=VFSCache bean=null properties=[permanentRoots, realCache] constructor=AbstractConstructorMetaData@6df3d1f5{parameters=[null] factoryClass=org.jboss.virtual.spi.cache.VFSCacheFactory factoryMethod=getInstance} autowireCandidate=true start=AbstractLifecycleMetaData@225d6438{ whenRequired=ControllerState@f669400{Start} parameters= }}, AbstractBeanMetaData@177e93e6{name=VfsNamesExceptionHandler bean=org.jboss.virtual.plugins.context.helpers.NamesExceptionHandler properties= constructor=AbstractConstructorMetaData@771fed16{parameters=[java.lang.String]} autowireCandidate=true}]}
org.jboss.deployers.spi.DeploymentException:** Error deploying: file:/home/jboss/jboss-eap-5.2/jboss-as/server/default/conf/bootstrap/vfs.xml**
at org.jboss.deployers.spi.DeploymentException.rethrowAsDeploymentException(DeploymentException.java:49)
at org.jboss.deployers.vfs.deployer.kernel.BeanMetaDataFactoryVisitor.deploy(BeanMetaDataFactoryVisitor.java:136)
at org.jboss.system.server.profileservice.ProfileServiceBootstrap.initBootstrapMDs(ProfileServiceBootstrap.java:426)
at org.jboss.system.server.profileservice.ProfileServiceBootstrap.start(ProfileServiceBootstrap.java:242)
at org.jboss.bootstrap.AbstractServerImpl.start(AbstractServerImpl.java:461)
at org.jboss.Main.boot(Main.java:229)
at org.jboss.Main$1.call(Main.java:561)
at org.jboss.Main$1.call(Main.java:557)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.IllegalStateException: ClassLoader has not been set
at org.jboss.deployers.structure.spi.helpers.AbstractDeploymentUnit.getClassLoader(AbstractDeploymentUnit.java:159)
at org.jboss.deployers.vfs.deployer.kernel.BeanMetaDataFactoryVisitor.addBeanComponent(BeanMetaDataFactoryVisitor.java:60)
at org.jboss.deployers.vfs.deployer.kernel.BeanMetaDataFactoryVisitor.deploy(BeanMetaDataFactoryVisitor.java:126)