[ 
https://issues.apache.org/jira/browse/MYFACES-1965?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12630458#action_12630458
 ] 

Paul Rivera commented on MYFACES-1965:
--------------------------------------

Here's the stack trace:

javax.servlet.jsp.JspException: type attribute not set
        at 
org.apache.myfaces.taglib.core.GenericListenerTag.doStartTag(GenericListenerTag.java:83)
        at 
org.apache.jsp.core.core_002dtc_002d12_002d1_jsp._jspx_meth_f_005fvalueChangeListener_005f0(core_002dtc_002d12_002d1_jsp.java:334)
        at 
org.apache.jsp.core.core_002dtc_002d12_002d1_jsp._jspx_meth_h_005fselectOneMenu_005f0(core_002dtc_002d12_002d1_jsp.java:291)
        at 
org.apache.jsp.core.core_002dtc_002d12_002d1_jsp._jspx_meth_h_005fpanelGrid_005f0(core_002dtc_002d12_002d1_jsp.java:213)
        at 
org.apache.jsp.core.core_002dtc_002d12_002d1_jsp._jspx_meth_h_005fform_005f0(core_002dtc_002d12_002d1_jsp.java:166)
        at 
org.apache.jsp.core.core_002dtc_002d12_002d1_jsp._jspx_meth_f_005fview_005f0(core_002dtc_002d12_002d1_jsp.java:125)
        at 
org.apache.jsp.core.core_002dtc_002d12_002d1_jsp._jspService(core_002dtc_002d12_002d1_jsp.java:87)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at 
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
        at 
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:630)
        at 
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
        at 
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
        at 
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
        at 
org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:341)
        at 
org.apache.myfaces.application.jsp.JspViewHandlerImpl.buildView(JspViewHandlerImpl.java:486)
        at 
org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:337)
        at 
org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
        at 
org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:140)
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:155)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:301)
        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:233)
        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:102)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
        at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
        at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
        at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
        at java.lang.Thread.run(Unknown Source)
09 12, 08 9:53:12 AM javax.faces.webapp._ErrorPageWriter handleThrowable
SEVERE: An exception occurred
javax.faces.FacesException: An exception occurred processing JSP page 
/core/core-tc-12-1.jsp at line 12

9:     <h:panelGrid columns="2">
10:       <h:outputText value="Select Item"/>
11:       <h:selectOneMenu value="#{coreTc12Bean.text1}" onchange="submit()">
12:         <f:valueChangeListener 
binding="#{coreTc12Bean.valueChangeListener}"/>
13:         <f:selectItem itemLabel="item1" itemValue="item1"/>
14:         <f:selectItem itemLabel="item2" itemValue="item2"/>
15:         <f:selectItem itemLabel="item3" itemValue="item3"/> 

> JspException thrown if valueChangeListener's type attribute is not supplied
> ---------------------------------------------------------------------------
>
>                 Key: MYFACES-1965
>                 URL: https://issues.apache.org/jira/browse/MYFACES-1965
>             Project: MyFaces Core
>          Issue Type: Bug
>          Components: JSR-252
>    Affects Versions: 1.2.5-SNAPSHOT
>         Environment: tomcat-6.0.16
> java 1.6
> MyFaces 1.2.5-SNAPSHOT
>            Reporter: Paul Rivera
>            Priority: Minor
>         Attachments: test-case.rar
>
>
> This bug is similar to MYFACES-1964 but happens to valueChangeListener tag.  
> I have this in my jsf page:
>       <h:selectOneMenu value="#{coreTc12Bean.text1}" onchange="submit()">
>         <f:valueChangeListener binding="#{coreTc12Bean.valueChangeListener}"/>
>         <f:selectItem itemLabel="item1" itemValue="item1"/>
>         <f:selectItem itemLabel="item2" itemValue="item2"/>
>         <f:selectItem itemLabel="item3" itemValue="item3"/> 
>       </h:selectOneMenu>
> It will throw a javax.servlet.jsp.JspException - type attribute not set. This 
> also happens in MyFaces 1.2.4. I've attached the test case above.
> Similar to MYFACES-1964, this problem does not happen in JSF 1.2. RI.

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