Getting error while accessing the Map from Spring Controller to JSP using JSTL
I have a spring controller in which I am returning a Map named "model"; model 开发者_如何学Pythoncontains some set of values but importantly also contains an ArrayList
. Now I am returning this Map to my JSP, while using JSTL in my JSP to fetch the ArrayList
it throws error.
<c:forEach items="${model.result}" var="data" varStatus="status"> <!-- result is my ArrayList -->
<c:out value="${data.url}" /> <!-- here url is data inside my result arraylist -->
</c:forEach>
The error generated is:
root cause
java.lang.NoSuchMethodError: 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 jsp_servlet._jsp.__searchsuccess._jsp__tag3(__searchsuccess.java:294)
at jsp_servlet._jsp.__searchsuccess._jspService(__searchsuccess.java:137)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)
It works fine on Tomcat Server but when I deploy it on Weblogic(9.2) server it gives the error. My classpath entries are:
<classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.web.container"/>
<classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.module.container"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/commons-fileupload-1.1.1.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/commons-io-1.2.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/commons-logging-1.1.1.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/hibernate-validator-4.0.2.GA.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/log4j-1.2.14.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/slf4j-api-1.5.6.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/slf4j-log4j12-1.5.6.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/spring-asm-3.0.3.RELEASE.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/spring-beans-3.0.3.RELEASE.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/spring-context-3.0.3.RELEASE.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/spring-core-3.0.3.RELEASE.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/spring-expression-3.0.3.RELEASE.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/spring-web-3.0.3.RELEASE.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/spring-webmvc-3.0.3.RELEASE.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/validation-api-1.0.0.GA.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/log4j-1.2.9.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/servlet-2.3.jar"/>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/jre6">
<attributes>
<attribute name="owner.project.facets" value="jst.java"/>
</attributes>
</classpathentry>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/jstl-1.2.jar"/>
<classpathentry kind="output" path="WebContent/WEB-INF/classes"/>
Update: I have removed the jstl-1.2.jar and now I get a compilation error:
searchsuccess.jsp:1:5: No tag library could be found with this URI. Possible causes could be that the URI is incorrect, or that there were errors during pa
rsing of the .tld file.
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
^----^
searchsuccess.jsp:1:5: No tag library could be found with this URI. Possible causes could be that the URI is incorrect, or that there were errors during pa
rsing of the .tld file.
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
^----^
at weblogic.servlet.jsp.JavelinxJSPStub.compilePage(JavelinxJSPStub.java:298)
at weblogic.servlet.jsp.JspStub.prepareServlet(JspStub.java:200)
at weblogic.servlet.jsp.JspStub.prepareServlet(JspStub.java:164)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:235)
at weblogic.servlet.internal.ServletStubImpl.onAddToMapException(ServletStubImpl.java:394)
As per the stacktrace,
java.lang.NoSuchMethodError: javax.servlet.jsp.PageContext.getELContext()Ljavax/el/ELContext;
at javax.servlet.jsp.jstl.core.LoopTagSupport.unExposeVariables(LoopTagSupport.java:587)
the JSTL <c:forEach>
tag is expecting the method PageContext#getELContext()
. This method was introduced in JSP 2.1. This exception thus suggests that you are using JSTL 1.2, while your container doesn't support JSP 2.1 or that you have littered your runtime classpath with servletcontainer specific JSP libraries of a container which doesn't support JSP 2.1. The runtime classpath covers among others the webapp's /WEB-INF/lib
folder and Java's JRE/lib
and JRE/lib/ext
folders .
You should never put servletcontainer specific libraries in those folders, such as jsp-api.jar
, servlet-api.jar
, el-api.jar
, j2ee.jar
, javaee.jar
, etc..etc.. Those files which you usually see in /lib
folder of the servletcontainer itself. E.g. Tomcat/lib
. It makes your webapp unportable to the target servletcontainer. The target servletcontainer where you're running this webapp has those libraries already. If you did this to overcome compilation errors on JSP/Servlet packages, then you should have solved it differently. See also How do I import the javax.servlet API in my Eclipse project?
Update: as per your update, you're using Weblogic 9.2 which is a Servlet 2.4 / JSP 2.0 container. It does not support JSP 2.1 / JSTL 1.2 at all. You need to remove the JSTL 1.2 library. If I am not mistaken, Weblogic ships with JSTL 1.1 already. Otherwise you need to include it in the classpath (the /WEB-INF/lib
folder) yourself. You can find a JSTL 1.1 download link in our JSTL wiki page.
Do you have a el-api.jar in your webapp?
Please see the following post:
http://www.coderanch.com/t/526731/JSP/java/java-lang-NoSuchMethodError-javax-servlet
-Kaj :)
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