[jboss-user] [JBoss Seam] - How to decrypt this (Seam's exception) error message?

[tonylmai]

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

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