Lincoln Baxter III created SEAMFACES-234:
--------------------------------------------

             Summary: UnsupportedOperationException when calling .size() in EL 
from a Composite Component
                 Key: SEAMFACES-234
                 URL: https://issues.jboss.org/browse/SEAMFACES-234
             Project: Seam Faces
          Issue Type: Bug
    Affects Versions: 3.1.0.Final
         Environment: JBoss AS 7.0.2.Final
            Reporter: Lincoln Baxter III


I'm not exactly sure why this happens, but the following exception is thrown 

{code}16:38:54,065 SEVERE 
[javax.enterprise.resource.webcontainer.jsf.application] 
(http--127.0.0.1-8080-5) Error Rendering View[/pages/home.xhtml
]: javax.faces.FacesException: java.lang.UnsupportedOperationException
        at 
javax.faces.component.UIComponentBase$AttributesMap.get(UIComponentBase.java:2346)
 [jboss-jsf-api_2.1_spec-2.0.0.Beta1.jar:2.0.0.Beta1]
        at 
com.sun.faces.renderkit.RenderKitUtils.getImageSource(RenderKitUtils.java:1303) 
[jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
        at 
com.sun.faces.renderkit.html_basic.ImageRenderer.encodeEnd(ImageRenderer.java:96)
 [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
        at 
javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:875) 
[jboss-jsf-api_2.1_spec-2.0.0.Beta1.jar:2.0.0.Beta1]
        at 
com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeRecursive(HtmlBasicRenderer.java:312)
 [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.
3-SNAPSHOT]
        at 
com.sun.faces.renderkit.html_basic.GroupRenderer.encodeChildren(GroupRenderer.java:105)
 [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHO
T]
        at 
javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:845) 
[jboss-jsf-api_2.1_spec-2.0.0.Beta1.jar:2.0.0.Beta1]
        at 
com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeRecursive(HtmlBasicRenderer.java:304)
 [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.
3-SNAPSHOT]
        at 
com.sun.faces.renderkit.html_basic.GroupRenderer.encodeChildren(GroupRenderer.java:105)
 [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHO
T]
        at 
javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:845) 
[jboss-jsf-api_2.1_spec-2.0.0.Beta1.jar:2.0.0.Beta1]
        at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1756) 
[jboss-jsf-api_2.1_spec-2.0.0.Beta1.jar:2.0.0.Beta1]
        at 
com.sun.faces.renderkit.html_basic.CompositeRenderer.encodeChildren(CompositeRenderer.java:78)
 [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-
SNAPSHOT]
        at 
javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:845) 
[jboss-jsf-api_2.1_spec-2.0.0.Beta1.jar:2.0.0.Beta1]
        at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1756) 
[jboss-jsf-api_2.1_spec-2.0.0.Beta1.jar:2.0.0.Beta1]
        at javax.faces.render.Renderer.encodeChildren(Renderer.java:168) 
[jboss-jsf-api_2.1_spec-2.0.0.Beta1.jar:2.0.0.Beta1]
        at 
javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:845) 
[jboss-jsf-api_2.1_spec-2.0.0.Beta1.jar:2.0.0.Beta1]
        at 
com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeRecursive(HtmlBasicRenderer.java:304)
 [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.
3-SNAPSHOT]
        at 
com.sun.faces.renderkit.html_basic.GroupRenderer.encodeChildren(GroupRenderer.java:105)
 [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHO
T]
        at 
javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:845) 
[jboss-jsf-api_2.1_spec-2.0.0.Beta1.jar:2.0.0.Beta1]
        at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1756) 
[jboss-jsf-api_2.1_spec-2.0.0.Beta1.jar:2.0.0.Beta1]
        at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1759) 
[jboss-jsf-api_2.1_spec-2.0.0.Beta1.jar:2.0.0.Beta1]
        at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1759) 
[jboss-jsf-api_2.1_spec-2.0.0.Beta1.jar:2.0.0.Beta1]
        at 
com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:401)
 [jsf-impl-2.1.3-b02-jbossorg
-2.jar:2.1.3-SNAPSHOT]
        at 
com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:131)
 [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
        at 
javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:288)
 [jboss-jsf-api_2.1_spec-2.0.0.Beta1.jar:2.0.0.Beta1]
        at 
com.ocpsoft.rewrite.faces.RewriteViewHandler.renderView(RewriteViewHandler.java:151)
 [rewrite-integration-faces-1.0.0-SNAPSHOT.jar:]
        at 
javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:288)
 [jboss-jsf-api_2.1_spec-2.0.0.Beta1.jar:2.0.0.Beta1]
        at 
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:121)
 [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
        at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) 
[jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
        at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139) 
[jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:594) 
[jboss-jsf-api_2.1_spec-2.0.0.Beta1.jar:2.0.0.Beta1]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329)
 [jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)
 [jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
com.ocpsoft.rewrite.servlet.RewriteFilter.doFilter(RewriteFilter.java:175) 
[rewrite-servlet-1.0.0-SNAPSHOT.jar:]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)
 [jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)
 [jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
com.ocpsoft.socialpm.web.filter.ResponseTimeLoggingFilter.doFilter(ResponseTimeLoggingFilter.java:50)
 [classes:]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)
 [jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)
 [jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:734)
 [jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:541)
 [jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:479)
 [jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:407)
 [jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
com.ocpsoft.rewrite.servlet.RewriteFilter.rewrite(RewriteFilter.java:226) 
[rewrite-servlet-1.0.0-SNAPSHOT.jar:]
        at 
com.ocpsoft.rewrite.servlet.RewriteFilter.doFilter(RewriteFilter.java:171) 
[rewrite-servlet-1.0.0-SNAPSHOT.jar:]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)
 [jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)
 [jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
com.ocpsoft.socialpm.web.filter.ResponseTimeLoggingFilter.doFilter(ResponseTimeLoggingFilter.java:43)
 [classes:]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)
 [jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)
 [jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
com.ocpsoft.socialpm.web.filter.TransactionFilter.doFilter(TransactionFilter.java:67)
 [classes:]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)
 [jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)
 [jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275)
 [jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
 [jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:139)
 [jboss-as-web-7.0.2.Final.jar
:7.0.2.Final]
        at org.jboss.as.web.NamingValve.invoke(NamingValve.java:57) 
[jboss-as-web-7.0.2.Final.jar:7.0.2.Final]
        at 
org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:49)
 [jboss-as-jpa-7.0.2.Final.jar:7.0.2.Final]
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:154) 
[jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) 
[jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
 [jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362) 
[jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) 
[jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:667)
 [jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:952) 
[jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at java.lang.Thread.run(Thread.java:662) [:1.6.0_24]
Caused by: java.lang.UnsupportedOperationException
        at 
com.sun.faces.el.CompositeComponentAttributesELResolver$ExpressionEvalMap.size(CompositeComponentAttributesELResolver.java:327)
 [jsf-imp
l-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
        at 
org.jboss.seam.faces.el.CollectionsELResolver.resolveInMap(CollectionsELResolver.java:101)
 [seam-faces-3.1.0.Final.jar:]
        at 
org.jboss.seam.faces.el.CollectionsELResolver.getValue(CollectionsELResolver.java:55)
 [seam-faces-3.1.0.Final.jar:]
        at 
com.sun.faces.el.DemuxCompositeELResolver._getValue(DemuxCompositeELResolver.java:176)
 [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT
]
        at 
com.sun.faces.el.DemuxCompositeELResolver.getValue(DemuxCompositeELResolver.java:203)
 [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
        at org.apache.el.parser.AstValue.getValue(AstValue.java:134) 
[jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
org.apache.el.parser.AstDotSuffix.getParameters(AstDotSuffix.java:44) 
[jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at org.apache.el.parser.AstValue.getValue(AstValue.java:127) 
[jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:187) 
[jbossweb-7.0.1.Final.jar:7.0.2.Final]
        at 
org.jboss.weld.el.WeldValueExpression.getValue(WeldValueExpression.java:55) 
[weld-core-1.1.2.Final.jar:2011-07-26 15:02]
        at 
com.sun.faces.facelets.el.ContextualCompositeValueExpression.getValue(ContextualCompositeValueExpression.java:156)
 [jsf-impl-2.1.3-b02-j
bossorg-2.jar:2.1.3-SNAPSHOT]
        at 
com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:109)
 [jsf-impl-2.1.3-b02-jbossorg-2.jar:2.1.3-SNAPSHOT]
        at 
javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:194) 
[jboss-jsf-api_2.1_spec-2.0.0.Beta1.jar:2.0.0.Beta1]
        at 
javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:182) 
[jboss-jsf-api_2.1_spec-2.0.0.Beta1.jar:2.0.0.Beta1]
        at javax.faces.component.UIGraphic.getValue(UIGraphic.java:150) 
[jboss-jsf-api_2.1_spec-2.0.0.Beta1.jar:2.0.0.Beta1]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
[:1.6.0_24]
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 
[:1.6.0_24]
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 [:1.6.0_24]
        at java.lang.reflect.Method.invoke(Method.java:597) [:1.6.0_24]
        at 
javax.faces.component.UIComponentBase$AttributesMap.get(UIComponentBase.java:2338)
 [jboss-jsf-api_2.1_spec-2.0.0.Beta1.jar:2.0.0.Beta1]
        ... 65 more{code}

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