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https://issues.jboss.org/browse/RF-12694?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12743470#comment-12743470
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Srinivas Reddy Malipeddi commented on RF-12694:
-----------------------------------------------
Myfaces 2.0.2, IBM implementation. I did not check for Mojarra. I will check
and let you know
Thanks
Srinivas
> <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}
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