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https://issues.apache.org/jira/browse/MYFACES-3112?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13021474#comment-13021474
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Jakob Korherr commented on MYFACES-3112:
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Unfortunately, this is a JSF spec bug, which is related to these two issues:
http://java.net/jira/browse/JAVASERVERFACES_SPEC_PUBLIC-755 and
http://java.net/jira/browse/JAVASERVERFACES_SPEC_PUBLIC-901
If you really want to use valueChangeListener as the attribute name, you will
have to use the target attribute of composite:attribute only and remove
valueChangeListener="#{cc.attrs.valueChangeListener}".
(cc.attrs.valueChangeListener does not even exist in JSF 2.0, since it is only
handled as attached object).
If you "hate" those issues just like me, then you could vote for them :D
> Cannot convert org.apache.webbeans.el.WrappedValueExpression@168ae94f of type
> class org.apache.myfaces.view.facelets.el.TagValueExpressionUEL to class
> javax.el.MethodExpression
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: MYFACES-3112
> URL: https://issues.apache.org/jira/browse/MYFACES-3112
> Project: MyFaces Core
> Issue Type: Bug
> Components: JSR-314
> Affects Versions: 2.0.5
> Environment: Apache Maven 2.2.1 (r801777; 2009-08-06 21:16:01+0200)
> Java version: 1.6.0_24
> Java home: /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
> Default locale: en_US, platform encoding: MacRoman
> OS name: "mac os x" version: "10.6.7" arch: "x86_64" Family: "mac"
> MyFaces 2.0.5
> OWB: 1.1.0
> CoDI 0.9.4
> Reporter: Matthias Weßendorf
>
> In my "newEmployee.xhtml" I am using a custom facelets component, like:
> <kickstart:inputPassword id="password"
> value="#{createEmployee.employee.password}"
> valueChangeListener="#{createEmployee.checkPassword}" />
> The inputPassword.xhtml looks like:
> <html xmlns="http://www.w3.org/1999/xhtml";
> xmlns:f="http://java.sun.com/jsf/core";
> xmlns:h="http://java.sun.com/jsf/html";
> xmlns:ui="http://java.sun.com/jsf/facelets";
> xmlns:composite="http://java.sun.com/jsf/composite";>
> <head/>
> <body>
> <composite:interface>
> <composite:attribute name="id" required="true" />
> <composite:attribute name="value" required="true" />
> <composite:attribute name="valueChangeListener" required="true"
> method-signature="void f(javax.faces.event.ValueChangeEvent)"
> targets="inputField" />
> <composite:editableValueHolder name="inputField" />
> </composite:interface>
> <composite:implementation>
>
> <div id="#{cc.attrs.id}">
> <h:inputSecret id="inputField" required="true"
> value="#{cc.attrs.value}"
> valueChangeListener="#{cc.attrs.valueChangeListener}">
> <f:ajax event="valueChange" execute="@this" render="passwordHint
> pageForm:globalMessages" />
> </h:inputSecret>
> <h:outputText id="passwordHint" />
> </div>
> </composite:implementation>
> </body>
> </html>
> When I type in a value, and move the focus away (to trigger the valueChange
> event), I am getting the below stack-trace in the console:
> SEVERE: java.lang.IllegalArgumentException: Cannot convert /newEmployee.xhtml
> at line 39 and column 160
> valueChangeListener="#{createEmployee.checkPassword}":
> org.apache.webbeans.el.WrappedValueExpression@168ae94f of type class
> org.apache.myfaces.view.facelets.el.TagValueExpressionUEL to class
> javax.el.MethodExpression
> javax.faces.event.AbortProcessingException:
> java.lang.IllegalArgumentException: Cannot convert /newEmployee.xhtml at line
> 39 and column 160 valueChangeListener="#{createEmployee.checkPassword}":
> org.apache.webbeans.el.WrappedValueExpression@168ae94f of type class
> org.apache.myfaces.view.facelets.el.TagValueExpressionUEL to class
> javax.el.MethodExpression
> at
> javax.faces.event.MethodExpressionValueChangeListener.processValueChange(MethodExpressionValueChangeListener.java:100)
> at
> javax.faces.event.ValueChangeEvent.processListener(ValueChangeEvent.java:66)
> at
> javax.faces.component.UIComponentBase.broadcast(UIComponentBase.java:344)
> at javax.faces.component.UIInput.broadcast(UIInput.java:333)
> at javax.faces.component.UIViewRoot._broadcastAll(UIViewRoot.java:972)
> at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:273)
> at javax.faces.component.UIViewRoot._process(UIViewRoot.java:1284)
> at
> javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:757)
> at
> org.apache.myfaces.lifecycle.ProcessValidationsExecutor.execute(ProcessValidationsExecutor.java:34)
> at
> org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:171)
> at
> org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
> at
> org.apache.myfaces.extensions.cdi.jsf2.impl.listener.phase.CodiLifecycleWrapper.execute(CodiLifecycleWrapper.java:93)
> at javax.faces.webapp.FacesServlet.service(FacesServlet.java:189)
> at
> org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:546)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1283)
> at com.ocpsoft.pretty.PrettyFilter.doFilter(PrettyFilter.java:115)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1254)
> at
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:481)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)
> at
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:516)
> at
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:230)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:956)
> at
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:411)
> at
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:188)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:891)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
> at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:268)
> at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:99)
> at com.ocpsoft.pretty.PrettyFilter.doFilter(PrettyFilter.java:107)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1254)
> at
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:481)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)
> at
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:516)
> at
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:230)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:956)
> at
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:411)
> at
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:188)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:891)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
> at
> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247)
> at
> org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:151)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:114)
> at org.eclipse.jetty.server.Server.handle(Server.java:353)
> at
> org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:598)
> at
> org.eclipse.jetty.server.HttpConnection$RequestHandler.content(HttpConnection.java:1076)
> at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:805)
> at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:218)
> at
> org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:427)
> at
> org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:510)
> at
> org.eclipse.jetty.io.nio.SelectChannelEndPoint.access$000(SelectChannelEndPoint.java:34)
> at
> org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:450)
> at java.lang.Thread.run(Thread.java:680)
> Caused by: java.lang.IllegalArgumentException: Cannot convert
> /newEmployee.xhtml at line 39 and column 160
> valueChangeListener="#{createEmployee.checkPassword}":
> org.apache.webbeans.el.WrappedValueExpression@168ae94f of type class
> org.apache.myfaces.view.facelets.el.TagValueExpressionUEL to class
> javax.el.MethodExpression
> at com.sun.el.lang.ELSupport.coerceToType(ELSupport.java:397)
> at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:222)
> at
> org.apache.webbeans.el.WrappedValueExpression.getValue(WrappedValueExpression.java:68)
> at
> org.apache.myfaces.view.facelets.el.TagValueExpression.getValue(TagValueExpression.java:85)
> at
> org.apache.myfaces.view.facelets.el.LocationValueExpression.getValue(LocationValueExpression.java:90)
> at
> org.apache.myfaces.view.facelets.el.ValueExpressionMethodExpression.getMethodExpression(ValueExpressionMethodExpression.java:92)
> at
> org.apache.myfaces.view.facelets.el.ValueExpressionMethodExpression.invoke(ValueExpressionMethodExpression.java:58)
> at
> org.apache.myfaces.view.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:83)
> at
> javax.faces.event.MethodExpressionValueChangeListener.processValueChange(MethodExpressionValueChangeListener.java:78)
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