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錯誤HTTP狀態500-絕對URI：無法在web.xml或jar文件中解析http://java.sun.com/jsp/jstl/core

[英]Error HTTP Status 500 - The absolute uri: http://java.sun.com/jsp/jstl/core cannot be resolved in either web.xml or the jar files

 原文  2015-12-18 18:38:46  3   3    java/ maven/ jstl/ java-ee-7

問題描述

我正在嘗試開發顯示簡單的hello世界的簡單Java Web應用程序，但是當我嘗試將jstl添加到它時卻無法正常工作！

這是我的項目結構項目結構

在web.xml 

 <?xml version="1.0" encoding="UTF-8"?> <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" version="3.1"> <display-name>My CRUD Application 6</display-name> </web-app>

的index.jsp 

 <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>Title</title> </head> <body> <h2>Hello World!</h2> </body> </html>

這是Pom.xml 

 <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>zambroo.crud6</groupId> <artifactId>crud6</artifactId> <version>1.0-SNAPSHOT</version> <dependencies> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>3.1.0</version> <scope>provided</scope> </dependency> <dependency> <groupId>javax.servlet.jsp</groupId> <artifactId>javax.servlet.jsp-api</artifactId> <version>2.3.1</version> <scope>provided</scope> </dependency> <dependency> <groupId>javax.servlet.jsp.jstl</groupId> <artifactId>javax.servlet.jsp.jstl-api</artifactId> <version>1.2.1</version> <scope>compile</scope> </dependency> <dependency> <groupId>org.glassfish.web</groupId> <artifactId>javax.servlet.jsp.jstl</artifactId> <version>1.2.2</version> <scope>compile</scope> <exclusions> <exclusion> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> </exclusion> <exclusion> <groupId>javax.servlet.jsp</groupId> <artifactId>jsp-api</artifactId> </exclusion> <exclusion> <groupId>javax.servlet.jsp.jstl</groupId> <artifactId>jstl-api</artifactId> </exclusion> </exclusions> </dependency> </dependencies> </project>

這是完整的Tomcat日志 

 18-Dec-2015 23:35:34.062 SEVERE [http-apr-8080-exec-2] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [jsp] in context with path [/crudsix] threw exception [The absolute uri: http://java.sun.com/jsp/jstl/core cannot be resolved in either web.xml or the jar files deployed with this application] with root cause org.apache.jasper.JasperException: The absolute uri: http://java.sun.com/jsp/jstl/core cannot be resolved in either web.xml or the jar files deployed with this application at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:55) at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:277) at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:75) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:673) at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2503) at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2492) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:745) 18-Dec-2015 23:35:34.553 SEVERE [http-apr-8080-exec-6] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [jsp] in context with path [/crudsix] threw exception [java.lang.ClassNotFoundException: org.apache.jsp.index_jsp] with root cause java.lang.ClassNotFoundException: org.apache.jsp.index_jsp at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:131) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:62) at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:129) at org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:171) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340) at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:217) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:673) at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2503) at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2492) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:745)

和“錯誤”頁面，請運行代碼段。 

 <!DOCTYPE html><html><head><title>Apache Tomcat/8.0.28 - Error report</title><style type="text/css">H1 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;} H2 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;} H3 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;} BODY {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;} B {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} P {font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;}A {color : black;}A.name {color : black;}.line {height: 1px; background-color: #525D76; border: none;}</style> </head><body><h1>HTTP Status 500 - java.lang.ClassNotFoundException: org.apache.jsp.index_jsp</h1><div class="line"></div><p><b>type</b> Exception report</p><p><b>message</b> <u>java.lang.ClassNotFoundException: org.apache.jsp.index_jsp</u></p><p><b>description</b> <u>The server encountered an internal error that prevented it from fulfilling this request.</u></p><p><b>exception</b></p><pre>org.apache.jasper.JasperException: java.lang.ClassNotFoundException: org.apache.jsp.index_jsp org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:176) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) </pre><p><b>root cause</b></p><pre>java.lang.ClassNotFoundException: org.apache.jsp.index_jsp java.net.URLClassLoader.findClass(URLClassLoader.java:381) org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:131) org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:62) org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:171) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) </pre><p><b>note</b> <u>The full stack trace of the root cause is available in the Apache Tomcat/8.0.28 logs.</u></p><hr class="line"><h3>Apache Tomcat/8.0.28</h3></body></html>

當我從index.jsp即taglib行中刪除第一行時，一切正常。 我想我已經在pom.xml中導入了所有必需的代理。

請讓我知道我做錯了嗎？

3 個解決方案

解決方案1
 1  2015-12-20 04:12:02

我同意@Balus C，您正在使用IntelliJ Idea。 我正在使用Intellij Idea 15

問題出在POM.XML

我將您的POM.XML更改為

已添加-WAR的包裝類型 

 <groupId>zambroo.crud6</groupId> <artifactId>crud6</artifactId> <version>1.0-SNAPSHOT</version> <packaging>war</packaging>

Dependencies節點結束后添加了BUILD詳細信息 

  <build> <sourceDirectory>src/main/java</sourceDirectory> <resources> <resource> <directory>src/main/resources</directory> </resource> </resources> <testSourceDirectory>src/test/java/unit</testSourceDirectory> <testResources> <testResource> <directory>src/test/java/resources</directory> </testResource> </testResources> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-war-plugin</artifactId> <version>2.3</version> <configuration> <warSourceDirectory>web</warSourceDirectory> </configuration> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.1</version> <configuration> <source>1.8</source> <target>1.8</target> </configuration> </plugin> </plugins> </build>

現在一切都對我很好!!!!!!

希望這對您有所幫助！

解決方案2
 0  2015-12-18 20:48:45

我相信問題出在您的pom中。 簡而言之，容器在部署時不認為存在JSTL庫，否則就不會發生沖突。

具體來說，您直接包含了JSTL 1.2.1版，然后還包含了它的glassfish實現（因此，您想要哪個？）。

無論如何，您幾乎排除了玻璃魚提供的所有內容。 您的排除項可能不起作用。 我將全部刪除glassfish依賴項，看看它是否更好。

您可以將它們都刪除，然后只需嘗試以下一項： 

<dependency>
    <groupId>javax.servlet</groupId>
    <artifactId>jstl</artifactId>
    <version>1.2</version>
</dependency>

解決方案3
 0  2016-12-05 21:35:01

嘗試這個：
-右鍵單擊您的Maven項目；
-轉到“行家”，然后單擊“更新項目”。

這個對我有用。

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