Hi, Until few days my JBoss setup was running fine. But now I am unable to start the JBOSS server. I am getting following error : ============================================================================== JBoss Bootstrap Environment JBOSS_HOME: D:\jboss-4.0.4.GA\bin\\.. JAVA: C:\j2sdk1.4.2\bin\java JAVA_OPTS: -Dprogram.name=run.bat -Xms128m -Xmx512m -Dsun.rmi.dgc.client.gcIn erval=3600000 -Dsun.rmi.dgc.server.gcInterval=3600000 CLASSPATH: C:\j2sdk1.4.2\lib\tools.jar;D:\jboss-4.0.4.GA\bin\\run.jar ============================================================================== ailed to boot JBoss: rg.jboss.deployment.DeploymentException: Could not initialise deployment: file: D:/jboss-4.0.4.GA/server/default/conf/jboss-service.xml; - nested throwable: (j va.lang.NoClassDefFoundError) at org.jboss.deployment.DeploymentException.rethrowAsDeploymentException DeploymentException.java:53) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:803) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:771) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:755) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl. ava:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces orImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatch r.java:155) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94) at org.jboss.mx.server.Invocation.invoke(Invocation.java:86) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker. ava:264) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659) at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210) at $Proxy5.deploy(Unknown Source) at org.jboss.system.server.ServerImpl.doStart(ServerImpl.java:482) at org.jboss.system.server.ServerImpl.start(ServerImpl.java:362) at org.jboss.Main.boot(Main.java:200) at org.jboss.Main$1.run(Main.java:464) at java.lang.Thread.run(Thread.java:534) Caused by: java.lang.NoClassDefFoundError at org.jboss.deployment.SARDeployer.parseDocument(SARDeployer.java:621) at org.jboss.deployment.SARDeployer.init(SARDeployer.java:181) at org.jboss.deployment.MainDeployer.init(MainDeployer.java:861) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:798) ... 18 more Shutdown complete java.lang.ExceptionInInitializerError at org.jboss.system.server.ServerImpl$ShutdownHook.run(ServerImpl.java: 91) Caused by: java.lang.IllegalStateException: Shutdown in progress at java.lang.Shutdown.add(Shutdown.java:79) at java.lang.Runtime.addShutdownHook(Runtime.java:190) at java.util.logging.LogManager.(LogManager.java:197) at java.util.logging.LogManager$1.run(LogManager.java:155) at java.security.AccessController.doPrivileged(Native Method) at java.util.logging.LogManager.(LogManager.java:141) ... 1 more Press any key to continue . . . Can anyone please let me know whats the issue? I even tried re-installation of the jboss server. Pls let me know what i can do to get jboss server running on my machine. Thanks, View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3991543#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...