Hi, There's a problem with org.jboss.seam.core.Validation.validate method in seam ver 1.1.7 under Glassfish, following is the stack dump: | [#|2007-02-23T04:15:40.554+0200|SEVERE|sun-appserver-ee9.1|javax.enterprise.system.container.web|_ThreadID=34;_ThreadName=httpSSLWorkerThread-8181-0;_RequestID=e1540995-0b6c-4f87-9f66-a4705d821923;|StandardWrapperValve[Faces Servlet]: PWC1406: Servlet.service() for servlet Faces Servlet threw exception | java.lang.NoSuchMethodError: org.jboss.seam.core.Validation.validate(Ljavax/faces/context/FacesContext;Ljava/lang/String;Ljava/lang/Object;)[Lorg/hibernate/validator/InvalidValue; | at org.jboss.seam.ui.ModelValidator.validate(ModelValidator.java:25) | at javax.faces.component.UIInput.validateValue(UIInput.java:1018) | at javax.faces.component.UIInput.validate(UIInput.java:868) | at javax.faces.component.UIInput.executeValidate(UIInput.java:1071) | at javax.faces.component.UIInput.processValidators(UIInput.java:663) | at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1021) | at javax.faces.component.UIForm.processValidators(UIForm.java:229) | at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1021) | at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:662) | at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:100) | | Hope it helps, Thanks. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4023046#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...