java - 渲染视图 java.lang.StringIndexOutOfBoundsException：字符串索引超出范围：0

Question

当我尝试登录我的 Web 应用程序时遇到问题，用户没问题，因为通过跟踪我可以看到 HQL 何时找到数据，所以更明显的堆栈跟踪如下：

对于我使用这些库的应用程序：

Primefaces 3.5
JSF 2.1.21
休眠 4.0.10
JPA 2.0

雄猫 7.0

abr. 30, 2013 4:25:14 PM com.sun.faces.application.view.FaceletViewHandlingStrategy handleRenderException
SEVERE: Error Rendering View[/pages/protected/index.xhtml]
java.lang.StringIndexOutOfBoundsException: String index out of range: 0
at java.lang.String.charAt(Unknown Source)
at com.sun.faces.application.view.MultiViewHandler.getResourceURL(MultiViewHandler.java:332)
at org.primefaces.renderkit.CoreRenderer.getResourceURL(CoreRenderer.java:76)
at org.primefaces.renderkit.OutcomeTargetRenderer.getTargetURL(OutcomeTargetRenderer.java:91)
at org.primefaces.component.menu.BaseMenuRenderer.encodeMenuItem(BaseMenuRenderer.java:78)
at org.primefaces.component.tieredmenu.TieredMenuRenderer.encodeMenuContent(TieredMenuRenderer.java:104)
at org.primefaces.component.tieredmenu.TieredMenuRenderer.encodeSubmenu(TieredMenuRenderer.java:166)
at org.primefaces.component.tieredmenu.TieredMenuRenderer.encodeMenuContent(TieredMenuRenderer.java:123)
at org.primefaces.component.tieredmenu.TieredMenuRenderer.encodeMenu(TieredMenuRenderer.java:77)
at org.primefaces.component.menubar.MenubarRenderer.encodeMarkup(MenubarRenderer.java:52)
at org.primefaces.component.menu.BaseMenuRenderer.encodeEnd(BaseMenuRenderer.java:39)
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:881)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1786)
at javax.faces.render.Renderer.encodeChildren(Renderer.java:168)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:851)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1779)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1782)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1782)
at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:439)
at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:124)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:594)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at com.test.ems2.filter.LoginCheckFilter.doFilter(LoginCheckFilter.java:69)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:562)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:395)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:250)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:188)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:302)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

web.xml 文件

<?xml version="1.0"?>
<web-app 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>EMS2App</display-name>
    <context-param>
        <param-name>primefaces.THEME</param-name>
        <param-value>bluesky</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>
    </servlet>
    <servlet-mapping>
        <servlet-name>Faces Servlet</servlet-name>
        <url-pattern>*.xhtml</url-pattern>
    </servlet-mapping>
    <welcome-file-list>
        <welcome-file>/pages/protected/index.xhtml</welcome-file>
    </welcome-file-list>
    <context-param>
        <param-name>javax.faces.PROJECT_STAGE</param-name>
        <param-value>Development</param-value>
    </context-param>

    <filter>
        <filter-name>LoginCheckFilter</filter-name>
        <filter-class>com.test.ems2.filter.LoginCheckFilter</filter-class>
        <init-param>
            <param-name>loginActionURI</param-name>
            <param-value>/EMS2APP/pages/public/login.xhtml</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>LoginCheckFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <filter>
        <filter-name>AdminPagesFilter</filter-name>
        <filter-class>com.test.ems2.filter.AdminPagesFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>AdminPagesFilter</filter-name>
        <url-pattern>/pages/protected/admin/*</url-pattern>
    </filter-mapping>

    <filter>
        <filter-name>DefaultUserPagesFilter</filter-name>
        <filter-class>com.test.ems2.filter.DefaultUserPagesFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>DefaultUserPagesFilter</filter-name>
        <url-pattern>/pages/protected/defaultUser/*</url-pattern>
    </filter-mapping>
</web-app>

faces-config.xml 文件

<?xml version="1.0"?>
<faces-config 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-facesconfig_2_1.xsd"
    version="2.1">
    <application>
        <resource-bundle>
            <base-name>messages</base-name>
            <var>bundle</var>
        </resource-bundle>
        <message-bundle>messages</message-bundle>
    </application>
</faces-config>

我的 AbstractFilter 类

public class AbstractFilter {

    public AbstractFilter() {
        super();
    }

    protected void doLogin(ServletRequest request, ServletResponse response, HttpServletRequest req) throws ServletException, IOException {
        RequestDispatcher rd = req.getRequestDispatcher("/pages/public/login.xhtml");
        rd.forward(request, response);
    }

    protected void accessDenied(ServletRequest request, ServletResponse response, HttpServletRequest req) throws ServletException, IOException {
        RequestDispatcher rd = req.getRequestDispatcher("/pages/public/accessDenied.xhtml");
        rd.forward(request, response);
    }
}

我的 LoginCheckFilter 类：

public class LoginCheckFilter extends AbstractFilter implements Filter {
    private static List<String> allowedURIs;

    public void init(FilterConfig fConfig) throws ServletException {
        if(allowedURIs == null){
            allowedURIs = new ArrayList<String>();
            allowedURIs.add(fConfig.getInitParameter("loginActionURI"));
            allowedURIs.add("/EMS2App/javax.faces.resource/main.css.xhtml");
            allowedURIs.add("/EMS2App/javax.faces.resource/theme.css.xhtml");
            allowedURIs.add("/EMS2App/javax.faces.resource/primefaces.js.xhtml");
            allowedURIs.add("/EMS2App/javax.faces.resource/primefaces.css.xhtml");
            allowedURIs.add("/EMS2App/javax.faces.resource/jquery/jquery.js.xhtml");
            allowedURIs.add("/EMS2App/javax.faces.resource/messages/messages.png.xhtml");
            allowedURIs.add("/EMS2App/javax.faces.resource/images/ui-icons_2e83ff_256x240.png.xhtml");
            allowedURIs.add("/EMS2App/javax.faces.resource/images/ui-icons_38667f_256x240.png.xhtml");
        }
    }

    public void destroy() {
    }

    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        HttpServletRequest req = (HttpServletRequest) request;
        HttpSession session = req.getSession();

        if (session.isNew()) {
            doLogin(request, response, req);
            return;
        }

        User user = (User) session.getAttribute("user");

        if (user == null && !allowedURIs.contains(req.getRequestURI())) {
            System.out.println(req.getRequestURI());
            doLogin(request, response, req);
            return;
        }

        chain.doFilter(request, response);  //error -> row 69
    }
}

文件：/pages/protected/index.xhtml

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:ui="http://java.sun.com/jsf/facelets" xmlns:h="http://java.sun.com/jsf/html"
    xmlns:f="http://java.sun.com/jsf/core" xmlns:p="http://primefaces.org/ui" >
<h:body>
    <ui:composition template="/pages/protected/templates/master.xhtml">
        <ui:define name="divMain">
            #{bundle.welcomeMessage} :<br/>
        </ui:define>    
    </ui:composition>
</h:body>
</html>

大师.xhtml

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml"
    xmlns:ui="http://java.sun.com/jsf/facelets"
    xmlns:h="http://java.sun.com/jsf/html"
    xmlns:p="http://primefaces.org/ui"
    xmlns:f="http://java.sun.com/jsf/core">

<h:head>
    <title>EMS2</title>
    <h:outputStylesheet library="css" name="main.css" />
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
</h:head>

<h:body>
    <f:view contentType="text/html; charset=UTF-8" encoding="UTF-8" >
        <div id="divTop" style="vertical-align: middle;">
            <ui:insert name="divTop">
                <ui:include src="top.xhtml" />
            </ui:insert>
        </div>

        <div id="divMain">
            <p:growl id="messageGrowl" />
            <ui:insert name="divMain" />
        </div>

        <div id="divLeft">
            <ui:insert name="divDown">
                <ui:include src="down.xhtml" />
            </ui:insert>
        </div>

        <h:outputScript library="javascript" name="jscodes.js" />
    </f:view>
</h:body>
</html>

下来.xhtml

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
      xmlns:ui="http://java.sun.com/jsf/facelets"
      xmlns:h="http://java.sun.com/jsf/html"
      xmlns:p="http://primefaces.org/ui">

<h:body>
    <ui:composition>
        <h:form>
            <p>Test test test</p><br />         
        </h:form>
    </ui:composition>
</h:body>
</html>

顶部.xhtml

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml"
      xmlns:ui="http://java.sun.com/jsf/facelets"
      xmlns:h="http://java.sun.com/jsf/html"
      xmlns:p="http://primefaces.org/ui">
   <h:body>   
     <ui:composition>
        <div id="topMessage">
            <h1>
                <h:form>
                    <p:menubar>
                    <p:submenu label="Personnes">
                        <p:menuitem label="Ajouter Personne" url="#"/>
                        <p:menuitem label="Miss a jour Personne" url="#"/>
                    </p:submenu>
                    <p:submenu label="Absences">
                        <p:menuitem label="Poser des absences" url="#"/>
                        <p:menuitem label="Validation des absences" url="#"/>
                        <p:menuitem label="Gestion de absences" url="#"/>
                    </p:submenu>
                    <p:submenu label="Pointage">
                        <p:menuitem label="Saisie des temps" url="#"/>
                        <p:menuitem label="Validation des temps" url="#"/>
                        <p:menuitem label="Extration des temps Vers PowerMax" url="#"/>
                    </p:submenu>
                    <p:submenu label="Projet/Activite">
                        <p:submenu label="Activite">
                            <p:menuitem label="Creer Activite" url="/pages/protected/admin/dialogs/creerActivite.xhtml" />
                            <p:menuitem label="Miss a jour l'Activite" url="/pages/protected/admin/dialogs/missAJourActivite.xhtml" />
                        </p:submenu>
                        <p:submenu label="Projet">
                            <p:menuitem label="Creer projet" url="/pages/protected/admin/dialogs/creerProjet.xhtml" />
                            <p:menuitem label="Miss a jour projet" url="/pages/protected/admin/dialogs/missAJourProjet.xhtml" />
                        </p:submenu>
                    </p:submenu>
                    <p:submenu label="Rapport">
                        <p:menuitem label="Statistique projet" url="#"/>
                        <p:menuitem label="Statistique diverses" url="#"/>
                    </p:submenu>
                </p:menubar>
                #{bundle.loginWelcomeMessage}: #{userMB.user.name} | <p:commandButton value="#{bundle.logOut}" action="#{userMB.logOut()}" ajax="false" style="font-size: 20px;" />
                </h:form>
            </h1>
        </div>
     </ui:composition>   
   </h:body>
</html>

java - 渲染视图 java.lang.StringIndexOutOfBoundsException：字符串索引超出范围：0

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