在Eclipse 4.16.0上的glassfish4上部署我的JSP应用程序(使用jdk1.8.0_251(并在本地发布后，服务器的响应是：jasper异常
我的web.xml文件是：
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:jsp="http://java.sun.com/xml/ns/javaee/jsp" xmlns:web="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd http://xmlns.jcp.org/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.4">
<display-name>mydocuweb</display-name>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
<welcome-file>index.html</welcome-file>
<welcome-file>index.xhtml</welcome-file>
</welcome-file-list>
<context-param>
<param-name>javax.faces.STATE_SAVING_METHOD</param-name>
<param-value>client</param-value>
</context-param>
<servlet>
<servlet-name>FacesServlet</servlet-name>
<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>FacesServlet</servlet-name>
<url-pattern>*.faces</url-pattern>
</servlet-mapping>
<context-param>
<param-name>javax.servlet.jsp.jstl.fmt.localizationContext</param-name>
<param-value>resources.application</param-value>
</context-param>
<listener>
<listener-class>com.sun.faces.config.ConfigureListener</listener-class>
</listener>
</web-app>
我的faces-config.xml文件是：
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE faces-config PUBLIC
"-//Sun Microsystems, Inc.//DTD JavaServer Faces Config 1.1//EN"
"http://java.sun.com/dtd/web-facesconfig_1_1.dtd">
<faces-config>
<application>
<locale-config>
<default-locale>en_US</default-locale>
</locale-config>
<message-bundle>jsfdb.view.res.Messages</message-bundle>
</application>
<managed-bean>
<managed-bean-name>loginInfo</managed-bean-name>
<managed-bean-class>jsfdb.view.LoginInfoBean</managed-bean-class>
<managed-bean-scope>request</managed-bean-scope>
</managed-bean>
<managed-bean>
<managed-bean-name>subscriber</managed-bean-name>
<managed-bean-class>jsfdb.view.SubscriberBean</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
<managed-property>
<property-name>email</property-name>
<null-value/>
</managed-property>
<managed-property>
<property-name>password</property-name>
<null-value/>
</managed-property>
<managed-property>
<property-name>name</property-name>
<null-value/>
</managed-property>
<managed-property>
<property-name>manager</property-name>
<value>true</value>
</managed-property>
<managed-property>
<property-name>developer</property-name>
<value>true</value>
</managed-property>
<managed-property>
<property-name>administrator</property-name>
<value>true</value>
</managed-property>
<managed-property>
<property-name>subscriptionType</property-name>
<value>1</value>
</managed-property>
</managed-bean>
<navigation-rule>
<from-view-id>/subscribe.jsp</from-view-id>
<navigation-case>
<from-outcome>subscribed</from-outcome>
<to-view-id>/subscribed.jsp</to-view-id>
</navigation-case>
</navigation-rule>
<navigation-rule>
<from-view-id>/login.jsp</from-view-id>
<navigation-case>
<from-outcome>profile</from-outcome>
<to-view-id>/profile.jsp</to-view-id>
</navigation-case>
<navigation-case>
<from-outcome>list</from-outcome>
<to-view-id>/list.jsp</to-view-id>
</navigation-case>
</navigation-rule>
<navigation-rule>
<from-view-id>/profile.jsp</from-view-id>
<navigation-case>
<from-outcome>login</from-outcome>
<to-view-id>/login.jsp</to-view-id>
</navigation-case>
</navigation-rule>
<navigation-rule>
<from-view-id>/unsubscribe.jsp</from-view-id>
<navigation-case>
<from-outcome>login</from-outcome>
<to-view-id>/login.jsp</to-view-id>
</navigation-case>
<navigation-case>
<from-outcome>unsubscribed</from-outcome>
<to-view-id>/unsubscribed.jsp</to-view-id>
</navigation-case>
<navigation-case>
<from-outcome>cancel</from-outcome>
<to-view-id>/profile.jsp</to-view-id>
</navigation-case>
</navigation-rule>
我要连接的文件是login.jsp:
<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %>
<%@ taglib prefix="f" uri="http://java.sun.com/jsf/core" %>
<%@ taglib prefix="h" uri="http://java.sun.com/jsf/html" %>
<!-- -->
<c:remove var="subscriber" scope="session"/>
<f:view>
<f:loadBundle var="labels" basename="jsfdb.view.res.Labels"/>
<c:set var="stylesheet"
value="${pageContext.request.contextPath}/stylesheet.css"/>
<html>
<head>
<title><h:outputText value="#{labels.login}"/></title>
<link rel="stylesheet" type="text/css"
href="<c:out value='${stylesheet}'/>">
</head>
<body>
<h1><h:outputText value="#{labels.login}"/></h1>
<h:outputLink value="subscribe.faces">
<h:outputText value="#{labels.subscribe}"/>
</h:outputLink>
<h:form id="login">
<h:messages globalOnly="true" styleClass="message"/>
<p><h:outputLabel for="email"
value="#{labels.email}"/>
<h:message for="email" styleClass="message"/><br>
<h:inputText id="email" required="true"
value="#{loginInfo.email}"
size="40" maxlength="80">
<f:validateLength minimum="1" maximum="80"/>
</h:inputText>
<p><h:outputLabel for="password"
value="#{labels.password}"/>
<h:message for="password" styleClass="message"/><br>
<h:inputSecret id="password" required="true"
value="#{loginInfo.password}"
size="10" maxlength="20">
<f:validateLength minimum="6" maximum="20"/>
</h:inputSecret>
<p><h:commandButton id="command"
value="#{labels.login}"
action="#{loginInfo.loginAction}"/>
</h:form>
</body>
</html>
</f:view>
最后错误是
[2020-07-15T11:37:03.696+0200] [glassfish 4.1] [WARNING] [] [javax.enterprise.web] [tid: _ThreadID=27
_ThreadName=http-listener-1(3)] [timeMillis: 1594805823696] [levelValue: 900] [[
StandardWrapperValve[FacesServlet]: Servlet.service() for servlet FacesServlet threw exception
org.apache.jasper.JasperException: /pages/login.jsp(12,0) PWC6236: According to TLD or attribute directive in tag file, attribute value does not accept any expressions
at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:81)
at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:376)
at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:204)
at org.apache.jasper.compiler.Validator$ValidateVisitor.checkXmlAttributes(Validator.java:1190)
at org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:859)
at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1502)
at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2297)
at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2347)
at org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:879)
at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1502)
at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2297)
at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2347)
at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2353)
at org.apache.jasper.compiler.Node$Root.accept(Node.java:499)
at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2297)
at org.apache.jasper.compiler.Validator.validate(Validator.java:1890)
at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:223)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:625)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:473)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:377)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682)
at org.apache.catalina.core.ApplicationDispatcher.doInvoke(ApplicationDispatcher.java:875)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:739)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:575)
at org.apache.catalina.core.ApplicationDispatcher.doDispatch(ApplicationDispatcher.java:546)
at org.apache.catalina.core.ApplicationDispatcher.dispatch(ApplicationDispatcher.java:428)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:378)
at com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:643)
at com.sun.faces.application.view.JspViewHandlingStrategy.executePageToBuildView(JspViewHandlingStrategy.java:363)
at com.sun.faces.application.view.JspViewHandlingStrategy.buildView(JspViewHandlingStrategy.java:153)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:99)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:219)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:659)
at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682)
at org.apache.catalina.core.ApplicationDispatcher.doInvoke(ApplicationDispatcher.java:875)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:739)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:575)
at org.apache.catalina.core.ApplicationDispatcher.doDispatch(ApplicationDispatcher.java:546)
at org.apache.catalina.core.ApplicationDispatcher.dispatch(ApplicationDispatcher.java:428)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:378)
at org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:792)
at org.apache.jsp.pages.index_jsp._jspService(index_jsp.java:48)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:111)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:411)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:473)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:377)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682)
at org.apache.catalina.core.ApplicationDispatcher.doInvoke(ApplicationDispatcher.java:875)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:739)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:575)
at org.apache.catalina.core.ApplicationDispatcher.doDispatch(ApplicationDispatcher.java:546)
at org.apache.catalina.core.ApplicationDispatcher.dispatch(ApplicationDispatcher.java:428)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:378)
at com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:643)
at com.sun.faces.application.view.JspViewHandlingStrategy.executePageToBuildView(JspViewHandlingStrategy.java:363)
at com.sun.faces.application.view.JspViewHandlingStrategy.buildView(JspViewHandlingStrategy.java:153)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:99)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:219)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:659)
at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:318)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673)
at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174)
at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:416)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:283)
at com.sun.enterprise.v3.services.impl.ContainerMapper$HttpHandlerCallable.call(ContainerMapper.java:459)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:167)
at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:206)
at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:180)
at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:235)
at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:283)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:200)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:132)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:111)
at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:536)
at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:112)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:117)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:56)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:137)
at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:591)
at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:571)
at java.lang.Thread.run(Thread.java:748)
]]
从server.log复制。
有人有主意吗？该应用程序的作用域是使用jsp/jsf创建一个简单的登录webapp，该应用程序与数据库mysql连接。目前我没有提供到数据库的连接，但我希望验证java和jsp实现的正确实现。
感谢所有
[已解决]
我找到了一个解决方案：
替换login.jsp 行
<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %>
带有
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
它起作用了！