Struts dispatcher apparently not started

[Fabian Richter]

Hello all,






But I have exceptions like


        at org.apache.struts2.views.jsp.TagUtils.getStack(TagUtils.java:60)


On every action I do on the website.

I am always calling actions (as far as I know) so no .jsp pages directly.

My web.xml looks like:

-------%< SNIP ------------

    <filter>
        <filter-name>appFilter</filter-name>
        <filter-class>own.ApplicationFilter</filter-class>
    </filter>

    <filter>
        <filter-name>struts-prepare</filter-name>

<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareFilter</filter-class>
    </filter>
    <filter>
        <filter-name>struts-execute</filter-name>

<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsExecuteFilter</filter-class>
    </filter>

    <filter>
        <filter-name>sitemesh</filter-name>

<filter-class>com.opensymphony.sitemesh.webapp.SiteMeshFilter</filter-class>
    </filter>

    <filter-mapping>
        <filter-name>appFilter</filter-name>
        <url-pattern>*.html</url-pattern>
    </filter-mapping>

    <filter-mapping>
        <filter-name>struts-prepare</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <filter-mapping>
        <filter-name>sitemesh</filter-name>
        <url-pattern>/*</url-pattern>
        <dispatcher>REQUEST</dispatcher>
        <dispatcher>FORWARD</dispatcher>
        <dispatcher>INCLUDE</dispatcher>
    </filter-mapping>

    <filter-mapping>
        <filter-name>struts-execute</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <listener>
        <listener-class>own.StartupListener</listener-class>
    </listener>

    <listener>

<listener-class>org.apache.struts2.dispatcher.ng.listener.StrutsListener</listener-class>
    </listener>

    <listener>

<listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
    </listener>


    <servlet>
        <servlet-name>sitemesh-freemarker</servlet-name>

<servlet-class>org.apache.struts2.sitemesh.FreemarkerDecoratorServlet</servlet-class>
        <init-param>
            <param-name>default_encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>sitemesh-freemarker</servlet-name>
        <url-pattern>*.ftl</url-pattern>
    </servlet-mapping>

    <servlet>
        <servlet-name>JspSupportServlet</servlet-name>

<servlet-class>org.apache.struts2.views.JspSupportServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>

-------%< SNIP ------------



Thank you for your help to a newbie!

Best
Fabian

I am faily new with struts, and to get a grip on the mechanics I volunteered to migrate one of our applications from Webwork to struts2 latest. So far I made progress, the application is not only running but also rendered some UI in the browser. The Struts dispatcher cannot be found. This is usually caused by using Struts tags without the associated filter. Struts tags are only usable when the request has passed through its servlet filter, which initializes the Struts dispatcher needed for this tag. - [unknown location] at org.apache.struts2.views.jsp.StrutsBodyTagSupport.getStack(StrutsBodyTagSupport.java:44) at org.apache.struts2.views.jsp.ComponentTagSupport.doStartTag(ComponentTagSupport.java:48) The rest of the file is simple configuration. I thought by calling the org.apache.struts2.dispatcher.ng.filter.StrutsPrepareFilter right after my AppFilter (which handles cert based authentification) I would already be calling the Struts Dispatcher, but apparently thats where I'm wrong?

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