Hello, I am new in writing JSF. I have no doubt that my pages are full of bugs. How do I go about debugging the pages to figure out what error Seam is referring to?
For example, Seam threw the following exception in the log: anonymous wrote : 12:04:44,734 ERROR [STDERR] May 10, 2007 12:04:44 PM com.sun.facelets.FaceletViewHandler handleRenderException | SEVERE: Error Rendering View[/pending_orders.xhtml] | java.lang.IllegalArgumentException | at javax.faces.component.UIComponentBase$AttributesMap.put(UIComponentBase.java:1577) | at javax.faces.component.UIComponentBase$AttributesMap.put(UIComponentBase.java:1504) | at com.sun.facelets.tag.jsf.ComponentRule$LiteralAttributeMetadata.applyMetadata(ComponentRule.java:49) | at com.sun.facelets.tag.MetadataImpl.applyMetadata(MetadataImpl.java:36) | at com.sun.facelets.tag.MetaTagHandler.setAttributes(MetaTagHandler.java:62) | at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:144) | at com.sun.facelets.tag.jstl.core.ChooseWhenHandler.apply(ChooseWhenHandler.java:45) | at com.sun.facelets.tag.jstl.core.ChooseHandler.apply(ChooseHandler.java:68) | at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47) | at com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:314) | at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169) | at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47) | at com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:314) | at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169) | at com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:314) | at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169) | at com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49) | at com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:248) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:294) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:273) | at com.sun.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:143) | at com.sun.facelets.tag.ui.IncludeHandler.apply(IncludeHandler.java:60) | at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47) | at com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49) | at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47) | at com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:248) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:294) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:273) | at com.sun.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:143) | at com.sun.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:113) | at com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49) | at com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25) | at com.sun.facelets.impl.DefaultFacelet.apply(DefaultFacelet.java:95) | at com.sun.facelets.FaceletViewHandler.buildView(FaceletViewHandler.java:503) | at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:546) | at org.ajax4jsf.framework.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108) | at org.ajax4jsf.framework.ajax.AjaxViewHandler.renderView(AjaxViewHandler.java:229) | at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:108) | at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:266) | at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:159) | at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63) | at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57) | at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) | at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:60) | at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) | at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) | at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) | at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79) | at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) | at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:96) | at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:220) | 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.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432) | 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.java: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(Unknown Source) That's the end of the log. How would I decrypt this error message? Thanks for your help. -tony View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4044788#4044788 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4044788 _______________________________________________ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user