• jsp使用c:forEach报错 javax.servlet.jsp.PageContext.getELContext()Ljavax/el/ELContext的问题


    今天发现了一个折磨我一天的问题:

    在jsp文件中使用

    <c:forEach items="${checkResult}" var="item">
    
    </c:forEach>

    一直报错:

    [ERROR] 2013-12-09 15:03:20,740 method:org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:253)
    Servlet.service() for servlet org.apache.jsp.baseattrib.singActivation_jsp threw exception
    java.lang.AbstractMethodError: javax.servlet.jsp.PageContext.getELContext()Ljavax/el/ELContext;
            at javax.servlet.jsp.jstl.core.LoopTagSupport.unExposeVariables(LoopTagSupport.java:587)
            at javax.servlet.jsp.jstl.core.LoopTagSupport.doFinally(LoopTagSupport.java:323)
            at org.apache.jsp.baseattrib.singActivation_jsp._jspService(singActivation_jsp.java:800)
            at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
            at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
            at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
            at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
            at com.zte.web.FilterEconding.doFilter(FilterEconding.java:38)
            at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
            at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
            at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
            at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
            at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
            at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
            at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
            at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
            at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
            at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
            at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
            at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
            at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
            at java.lang.Thread.run(Thread.java:595)

    但是输出单个变量没有问题,只是使用forEach时候出错

    我是用的环境是:JDK1.6+tomcat1.6

    解决办法:删除jstl1.2的依赖,然后添加1.1.0的依赖和standard1.1.0的依赖

    pom.xml的文件修改为:

    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>jstl</artifactId>
        <version>1.1.0</version>
        <type>jar</type>
        <scope>compile</scope>
    </dependency>
    <dependency>
        <groupId>taglibs</groupId>
        <artifactId>standard</artifactId>
        <version>1.1.0</version>
    </dependency>

    原因不详

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  • 原文地址:https://www.cnblogs.com/liqiu/p/4338108.html
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