I am using JBoss 4.3. I followed the exact steps I just got this 10:25:45,013 INFO [DefaultEndpointRegistry] register: jboss.ws:context=EchoTest,endpoint=echo 10:25:45,075 INFO [TomcatDeployer] deploy, ctxPath=/EchoTest, warUrl=.../tmp/deploy/tmp53925EchoTest-exp.war/ 10:25:45,401 INFO [WSDLFilePublisher] WSDL published to: file:/C:/Program Files/JBoss/server/default/data/wsdl/EchoTest.war/EchoService.wsdl I did not get the message regarding "ServiceEndpointDeployer". When I test my web service I got exception 10:27:07,011 ERROR [SOAPFaultHelperJAXWS] SOAP request exception java.lang.IllegalStateException: Canot get target bean instance at org.jboss.wsf.container.jboss42.DefaultInvocationHandler.getTargetBean(DefaultInvocationHandler.java:80) at org.jboss.wsf.container.jboss42.DefaultInvocationHandler.invoke(DefaultInvocationHandler.java:90) at org.jboss.ws.core.server.ServiceEndpointInvoker.invoke(ServiceEndpointInvoker.java:220) ... Caused by: java.lang.InstantiationException: echo.Echo at java.lang.Class.newInstance0(Unknown Source) at java.lang.Class.newInstance(Unknown Source) at org.jboss.wsf.container.jboss42.DefaultInvocationHandler.getTargetBean(DefaultInvocationHandler.java:75) I don't understand who creates this echo.Echo servlet which is mentioned in the web.xml. Any help View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4175930#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...