JSF和Seam的不同之处.请举例说明.

javax.servlet.ServletException: Error calling action method of component with id _id11:_id13
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:152)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.jboss.seam.servlet.SeamRedirectFilter.doFilter(SeamRedirectFilter.java:32)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.jboss.seam.servlet.SeamExceptionFilter.doFilter(SeamExceptionFilter.java:46)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175)
        at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
        at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.jav
:664)
        at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
        at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
        at java.lang.Thread.run(Thread.java:595)
20:59:38,793 ERROR [[Faces Servlet]] Servlet.service() for servlet Faces Servlet threw exception
javax.faces.FacesException: Error calling action method of component with id _id11:_id13
        at org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:79)
        at javax.faces.component.UICommand.broadcast(UICommand.java:106)
        at javax.faces.component.UIViewRoot._broadcastForPhase(UIViewRoot.java:94)
        at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:168)
        at org.apache.myfaces.lifecycle.LifecycleImpl.invokeApplication(LifecycleImpl.java:343)
        at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:86)
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:137)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.jboss.seam.servlet.SeamRedirectFilter.doFilter(SeamRedirectFilter.java:32)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.jboss.seam.servlet.SeamExceptionFilter.doFilter(SeamExceptionFilter.java:46)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175)
        at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
        at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.jav
:664)
        at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
        at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
        at java.lang.Thread.run(Thread.java:595)
Caused by: org.jboss.seam.InstantiationException: Could not instantiate Seam component: locationaction
        at org.jboss.seam.Component.newInstance(Component.java:1722)
        at org.jboss.seam.Component.getInstance(Component.java:1625)
        at org.jboss.seam.Component.getInstance(Component.java:1592)
        at org.jboss.seam.jsf.SeamVariableResolver.resolveVariable(SeamVariableResolver.java:46)
        at org.apache.myfaces.config.LastVariableResolverInChain.resolveVariable(LastVariableResolverInChain.java:42)
        at com.sun.facelets.el.LegacyELContext$LegacyELResolver.getValue(LegacyELContext.java:134)
        at com.sun.el.parser.AstIdentifier.getValue(AstIdentifier.java:65)
        at com.sun.el.parser.AstValue.getTarget(AstValue.java:62)
        at com.sun.el.parser.AstValue.invoke(AstValue.java:147)
        at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:283)
        at com.sun.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:68)
        at com.sun.facelets.el.LegacyMethodBinding.invoke(LegacyMethodBinding.java:69)
        at org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:63)
        ... 31 more
Caused by: javax.naming.NameNotFoundException: LocationActionBean not bound
        at org.jnp.server.NamingServer.getBinding(NamingServer.java:529)
        at org.jnp.server.NamingServer.getBinding(NamingServer.java:537)
        at org.jnp.server.NamingServer.getObject(NamingServer.java:543)
        at org.jnp.server.NamingServer.lookup(NamingServer.java:267)
        at org.jnp.server.NamingServer.lookup(NamingServer.java:270)
        at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:625)
        at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:587)
        at javax.naming.InitialContext.lookup(InitialContext.java:351)
        at org.jboss.seam.Component.instantiateSessionBean(Component.java:1027)
        at org.jboss.seam.Component.instantiate(Component.java:1013)
        at org.jboss.seam.Component.newInstance(Component.java:1718)
        ... 43 more