[richfaces-issues] [JBoss JIRA] (RF-12694) <rich:dropDownMenu> throwing a warning: "Cannot set header. Response already committed."

<rich:dropDownMenu> throwing a warning: "Cannot set header. Response already committed." ---------------------------------------------------------------------------------------- Key: RF-12694 URL: https://issues.jboss.org/browse/RF-12694 Project: RichFaces Issue Type: Bug Security Level: Public(Everyone can see) Components: component-menu Affects Versions: 4.2.3.Final Environment: Tested in Galssfish3.1 and WAS8 Reporter: Srinivas Reddy Malipeddi Priority: Minor Labels: richfaces, waiting_on_user When rich component like <rich:dropDownMenu is used, throwing warning" {quote} com.ibm.ws.webcontainer.srt.SRTServletResponse setIntHeader SRVE8094W: WARNING: Cannot set header. Response already committed. {quote} Project details: JSF2.0, Myfaces implementation, richfaces 4.2.3 jars My project have only one page index.xhtml with one component like below. If richfaces component is not used then the warning is not coming. {code:title=index.xhtml} <?xml version="1.0" encoding="UTF-8" ?> <ui:composition xmlns="http://www.w3.org/1999/xhtml" xmlns:ui="http://java.sun.com/jsf/facelets" xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html" xmlns:rich="http://richfaces.org/rich"> <h:head> </h:head> <h:body> <rich:dropDownMenu label="IT Asset"> <rich:menuItem label="Search" /> <rich:menuItem label="Create" /> </rich:dropDownMenu> </h:body> </ui:composition> {code} {code:title=Web.xml} <?xml version="1.0" encoding="UTF-8"?> <web-app id="WebApp_ID" version="3.0" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"> <display-name>TestWeb</display-name> <context-param> <description> The location where state information is saved. Valid values are 'server' (typically saved in HttpSession) and 'client' (typically saved as a hidden field in the form. Default is server.</description> <param-name>javax.faces.STATE_SAVING_METHOD</param-name> <param-value>server</param-value> </context-param> <context-param> <description> Comma-delimited list of context-relative resource paths under which the JSF implementation will look for application configuration resources, before loading a configuration resource named /WEB-INF/faces-config.xml (if such a resource exists).</description> <param-name>javax.faces.CONFIG_FILES</param-name> <param-value></param-value> </context-param> <context-param> <description> The default suffix for extension-mapped resources that contain JSF components. Default is '.jsp'.</description> <param-name>javax.faces.DEFAULT_SUFFIX</param-name> <param-value>.xhtml</param-value> </context-param> <context-param> <description> A human readable string describing where this particular JSF application is in the software development lifecycle. Valid values are 'Development', 'UnitTest', 'SystemTest' and 'Production'. Default is 'Production'. This parameter is not available in JSF 1.x.</description> <param-name>javax.faces.PROJECT_STAGE</param-name> <param-value>Development</param-value> </context-param> <context-param> <description> Monitors Faces JSP files for modifications and synchronizes a running server with the changes without restarting the server. If this parameter is set to false or removed from the deployment descriptor, any changes made to Faces JSP files may not be seen by the server until it is restarted. This parameter is usually set to true while the Faces JSP files are being developed and debugged in order to improve the performance of the development environment.</description> <param-name>com.ibm.ws.jsf.JSP_UPDATE_CHECK</param-name> <param-value>true</param-value> </context-param> <context-param> <description> Load JSF runtime when the application server starts up. If this parameter is set to false or removed, JSF runtime will be loaded and initialized when the first JSF request is processed. This may disable custom JSF extensions, such as factories defined in the project.</description> <param-name>com.ibm.ws.jsf.LOAD_FACES_CONFIG_AT_STARTUP</param-name> <param-value>true</param-value> </context-param> <servlet> <servlet-name>Faces Servlet</servlet-name> <servlet-class>javax.faces.webapp.FacesServlet</servlet-class> <load-on-startup>-1</load-on-startup> <enabled>true</enabled> <async-supported>false</async-supported> </servlet> <servlet-mapping> <servlet-name>Faces Servlet</servlet-name> <url-pattern>*.xhtml</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>Faces Servlet</servlet-name> <url-pattern> *.faces</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>Faces Servlet</servlet-name> <url-pattern> /faces/*</url-pattern> </servlet-mapping> <welcome-file-list> <welcome-file>index.xhtml</welcome-file> </welcome-file-list> </web-app> {code}