JSP HTTP状态500 -路径友元不是以“/”字符开头

1qczuiv0  于 2022-12-07  发布在  其他
关注(0)|答案(1)|浏览(148)

Below is the error:

HTTP Status 500 - Path friends does not start with a "/" character

type Exception report

message Path friends does not start with a "/" character

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

Exception:

java.lang.IllegalArgumentException: Path friends does not start with a "/" character
org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1074)
org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProcessor.java:295)
org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:396)
org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:347)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:232)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393)

struts-config.xml file:

<action-mappings>
    <action path="/Link" parameter="method" type="com.vaannila.LinkAction">
        <forward name="friends" path="friends"/>
        <forward name="office" path="office"/>
    </action>
    <action path="/Welcome" forward="/welcomeStruts.jsp"/>
</action-mappings>

menu.jsp :

<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        <title>JSP Page</title>
    </head>
    <body>
        <a href="Link.do?method=friends" >Friends</a><br>
        <a href="Link.do?method=office" >The Office</a>
    </body>
</html>

baseLayout.jsp :

<body>
        <table border="1" cellpadding="2" cellspacing="2" align="center">
            <tr>
                <td height="20%" colspan="2">
                    <tiles:insert attribute="header" ignore="true" />
                </td>
            </tr>
            <tr>
                <td width="20%" height="250">
                    <tiles:insert attribute="menu" />
                </td>
                <td>
                    <tiles:insert attribute="body" />
                </td>
            </tr>
            <tr>
                <td height="20%" colspan="2">
                    <tiles:insert attribute="footer" />
                </td>
            </tr>
        </table>
    </body>
</html>

index.jsp :

<tiles:insert page="/baseLayout.jsp" flush="true">
    <tiles:put name="title" value="Tiles Example" />
    <tiles:put name="header" value="/header.jsp" />
    <tiles:put name="menu" value="/menu.jsp" />
    <tiles:put name="body" value="/body.jsp" />
    <tiles:put name="footer" value="/footer.jsp" />
</tiles:insert>

LinkAction.java :

public class LinkAction extends DispatchAction {

/**
 * This is the Struts action method called on
 * http://.../actionPath?method=myAction1,
 * where "method" is the value specified in <action> element : 
 * ( <action parameter="method" .../> )
 */
public ActionForward friends(ActionMapping mapping, ActionForm  form,
        HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    
    return mapping.findForward("friends");
}

/**
 * This is the Struts action method called on
 * http://.../actionPath?method=myAction2,
 * where "method" is the value specified in <action> element : 
 * ( <action parameter="method" .../> )
 */
public ActionForward office(ActionMapping mapping, ActionForm  form,
        HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    
    return mapping.findForward("office");
}
ivqmmu1c

ivqmmu1c1#

path属性应该是绝对的.根据struts-config_1.3.dtd
path -此ActionForward的逻辑名称封装的资源的模块相对路径。此值应以斜杠(“/”)字符开始。
但如果使用tiles请求处理器,则情况会有所不同。

<controller processorClass="org.apache.struts.tiles.TilesRequestProcessor"/>

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