6:30 p.m.
I was trying to implement a simple non-EJB appliaction using Seam and JSF. Multiple
conversation is working fine for me. But, when i try to check for the workspace
management, I am getting unsupportedOperationException at conversationList variable.
I have the view-ids and descriptions inside my pages.xml file.
<div class="section">
| <h:form>
| <h:outputText value="#{empty conversationList}" />
| </h:form>
| </div>
This code is throwing exception. But i can access the conversationEntries. I tried to
print the conversationEntries at the console and I am getting the values.
The stack trace is as follows:
java.lang.UnsupportedOperationException
| at org.jboss.seam.Namespace.entrySet(Namespace.java:23)
| at java.util.AbstractMap.toString(Unknown Source)
| at java.lang.String.valueOf(Unknown Source)
| at java.lang.StringBuilder.append(Unknown Source)
| at
com.sun.webui.jsf.faces.UIComponentELResolver.getValue(UIComponentELResolver.java:72)
| at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:53)
| at
com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:64)
| at org.apache.el.parser.AstValue.getValue(AstValue.java:97)
| at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)
| at
com.sun.faces.application.ValueBindingValueExpressionAdapter.getValue(ValueBindingValueExpressionAdapter.java:102)
| at org.jboss.seam.core.Expressions$1.getValue(Expressions.java:69)
| at org.jboss.seam.Component.getInstanceFromFactory(Component.java:1684)
| at org.jboss.seam.Component.getInstance(Component.java:1633)
| at org.jboss.seam.Component.getInstance(Component.java:1610)
| at org.jboss.seam.Component.getInstance(Component.java:1604)
| at org.jboss.seam.jsf.SeamELResolver.getValue(SeamELResolver.java:49)
| at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:53)
| at
com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:64)
| at org.apache.el.parser.AstIdentifier.getValue(AstIdentifier.java:45)
| at org.apache.el.parser.AstEmpty.getValue(AstEmpty.java:29)
| at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)
| at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71)
| at javax.faces.component.UIOutput.getValue(UIOutput.java:173)
| at
com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:189)
| at
com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:320)
| at
com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:200)
| at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:836)
| at javax.faces.component.UIComponent.encodeAll(UIComponent.java:896)
| at javax.faces.render.Renderer.encodeChildren(Renderer.java:137)
| at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:812)
| at javax.faces.component.UIComponent.encodeAll(UIComponent.java:886)
| at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892)
| at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:571)
| at org.ajax4jsf.framework.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
| at org.ajax4jsf.framework.ajax.AjaxViewHandler.renderView(AjaxViewHandler.java:256)
| at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106)
| at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
| at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144)
| at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
| at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
| at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
| at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63)
| at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
| at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
| at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57)
| at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
| at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79)
| at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
| at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84)
| at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
| at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
| at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:228)
| at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
| at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
| at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
| at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
| at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)
| at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
| at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:634)
| at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)
| at java.lang.Thread.run(Unknown Source)
|
Could anyone please help me. TIA
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