Please Help! configuring a struts webapp in Jboss

Discussion in 'Java' started by Demi, Jan 16, 2006.

  1. Demi

    Demi Guest

    Hello All,
    I have been trying to run a sample struts application on JBoss for
    quite sometime now and i have been stuck at this point.
    Id appreciate if anyone can give me some pointers as to where im going
    wrong.

    This application worked perfectly on Tomcat 5.5. but im having problems
    with JBoss. All the required libraries and jboss-web.xml are in place.

    Any help would be greatly appreciated.


    ERROR :

    description The server encountered an internal error () that prevented
    it from fulfilling this request.

    exception

    org.apache.jasper.JasperException

    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:370)

    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:810)

    org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)


    root cause

    java.lang.NullPointerException

    org.apache.struts.util.RequestUtils.computeURL(RequestUtils.java:521)

    org.apache.struts.util.RequestUtils.computeURL(RequestUtils.java:436)

    org.apache.struts.util.RequestUtils.computeURL(RequestUtils.java:396)

    org.apache.struts.taglib.logic.RedirectTag.doEndTag(RedirectTag.java:294)

    org.apache.jsp.index_jsp._jspx_meth_logic_redirect_0(org.apache.jsp.index_jsp:79)
    org.apache.jsp.index_jsp._jspService(org.apache.jsp.index_jsp:55)
    org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:810)

    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)

    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:810)

    org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:

    I looked into the log files : It says something like

    *******************************
    2006-01-16 22:06:01,593 ERROR
    [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/WebForum]]
    Servlet /WebForum threw load() exception
    javax.servlet.UnavailableException: Parsing error processing resource
    path
    at
    org.apache.struts.action.ActionServlet.handleConfigException(ActionServlet.java:1035)
    at
    org.apache.struts.action.ActionServlet.parseModuleConfigFile(ActionServlet.java:1014)
    at
    org.apache.struts.action.ActionServlet.initModuleConfig(ActionServlet.java:955)
    at
    org.apache.struts.action.ActionServlet.init(ActionServlet.java:470)
    *****************************

    My web.xml
    **************
    <?xml version = '1.0' encoding = 'UTF-8'?>
    <!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web
    Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd">
    <web-app>
    <display-name>Web Forum</display-name>
    <description>web.xml file for the Web Forum Struts demo
    application.</description>
    <servlet>
    <servlet-name>action</servlet-name>

    <servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
    <init-param>
    <param-name>config</param-name>
    <param-value>/WEB-INF/config/struts-config.xml</param-value>
    </init-param>
    <init-param>
    <param-name>debug</param-name>
    <param-value>2</param-value>
    </init-param>
    <init-param>
    <param-name>detail</param-name>
    <param-value>2</param-value>
    </init-param>
    <init-param>
    <param-name>validate</param-name>
    <param-value>true</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
    <servlet-name>action</servlet-name>
    <url-pattern>*.do</url-pattern>
    </servlet-mapping>
    <session-config>
    <session-timeout>30</session-timeout>
    </session-config>
    <mime-mapping>
    <extension>html</extension>
    <mime-type>text/html</mime-type>
    </mime-mapping>
    <mime-mapping>
    <extension>txt</extension>
    <mime-type>text/plain</mime-type>
    </mime-mapping>
    <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>index.html</welcome-file>
    </welcome-file-list>
    <resource-ref>
    <description>WebForum data source.</description>
    <res-ref-name>jdbc/WebForumDS</res-ref-name>
    <res-type>javax.sql.DataSource</res-type>
    <res-auth>Container</res-auth>
    </resource-ref>
    </web-app>

    **************

    My struts-config.xml
    ***************
    <?xml version = '1.0' encoding = 'UTF-8'?>
    <!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD
    Struts Configuration 1.1//EN"
    "http://jakarta.apache.org/struts/dtds/struts-config_1_1.dtd">
    <struts-config>

    <!-- =============================================== Form Bean
    Definitions -->
    <form-beans>

    <form-bean name="loginForm"
    type="com.johntopley.webforum.controller.form.LoginForm" />

    <form-bean name="newReplyForm"
    type="com.johntopley.webforum.controller.form.NewReplyForm" />

    <form-bean name="newTopicForm"
    type="com.johntopley.webforum.controller.form.NewTopicForm" />

    <form-bean name="newUserForm"
    type="com.johntopley.webforum.controller.form.NewUserForm" />

    </form-beans>

    <!-- ======================================== Global Exception
    Definitions -->
    <global-exceptions>

    <exception type="java.lang.Throwable" key="app.exception"
    path="/WEB-INF/pages/error.jsp" scope="request"/>

    </global-exceptions>

    <!-- ========================================== Global Forward
    Definitions -->
    <global-forwards>

    <forward name="Login" path="/Login.do" />

    <forward name="Logout" path="/Logout.do" />

    <forward name="NewReply" path="/NewReply.do" />

    <forward name="NewTopic" path="/NewTopic.do" />

    <forward name="Register" path="/Register.do" />

    <!--
    | Setting redirect to true ensures the cookie containing the user
    ID isn't
    | cached after logging out.
    +-->
    <forward name="ViewTopics" path="/ViewTopics.do" redirect="true" />

    <forward name="ViewTopic" path="/ViewTopic.do" />

    </global-forwards>

    <!-- ========================================== Action Mapping
    Definitions -->
    <action-mappings>

    <action path="/Login" forward="/WEB-INF/pages/login.jsp" />

    <action path="/Logout"
    type="com.johntopley.webforum.controller.action.LogoutAction" />

    <action path="/LoginSubmit"
    type="com.johntopley.webforum.controller.action.LoginSubmitAction"
    name="loginForm" input="/WEB-INF/pages/login.jsp" validate="true"
    scope="request" />

    <action path="/NewReply" forward="/WEB-INF/pages/newreply.jsp" />

    <action path="/NewReplySubmit"
    type="com.johntopley.webforum.controller.action.NewReplySubmitAction"
    name="newReplyForm" input="/WEB-INF/pages/newreply.jsp" validate="true"
    scope="request" />

    <action path="/NewTopic" forward="/WEB-INF/pages/newtopic.jsp"/>

    <action path="/NewTopicSubmit"
    type="com.johntopley.webforum.controller.action.NewTopicSubmitAction"
    name="newTopicForm" input="/WEB-INF/pages/newtopic.jsp" validate="true"
    scope="request" />

    <action path="/Register" forward="/WEB-INF/pages/register.jsp" />

    <action path="/RegisterSubmit"
    type="com.johntopley.webforum.controller.action.RegisterSubmitAction"
    name="newUserForm" input="/WEB-INF/pages/register.jsp" validate="true"
    scope="request" />

    <action path="/ViewTopics"
    type="com.johntopley.webforum.controller.action.ViewTopicsAction"
    scope="request">
    <forward name="Topics" path="/WEB-INF/pages/topics.jsp"/>
    </action>


    <action path="/ViewTopic"
    type="com.johntopley.webforum.controller.action.ViewTopicAction"
    scope="request">
    <forward name="Topic" path="/WEB-INF/pages/topic.jsp"/>
    </action>

    </action-mappings>

    <!-- ======================================== Message Resource
    Definitions -->
    <!--
    | Setting null to false displays bad key values on the page.
    +-->
    <message-resources parameter="com.johntopley.webforum.view.Resources"
    null="false"/>

    <message-resources
    parameter="com.johntopley.webforum.view.GlobalErrors" null="false"
    key="GlobalErrors"/>

    <!-- ================================================= Plug-In
    Definitions -->
    </struts-config>
    ****************
     
    Demi, Jan 16, 2006
    #1
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