NoClassDefFoundError: javax/servlet/jsp/jstl/core/Config和The superclass "javax.servlet.http.Htt的解决方案
2018-01-03 11:28
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重装系统，导入项目后运行后出现NoClassDefFoundError: javax/servlet/jsp/jstl/core/Config问题。
JSTL（JSP Standard Tag Library ，JSP标准标签库)是一个不断完善的开放源代码的JSP标签库，是由apache的jakarta小组来维护的。用来解析JSP标签。
解决方案：
jstl-1.2.jar、jstl-api-1.2.jar、jstl-impl-1.2.jar这三个包即解决问题。
但jsp页面中还在提示The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path的错误。
原因是Javaweb工程类中没有添加Tomcat运行时相关类导致。
解决方案：
1.右击web工程→属性或Build Path→Java Build Path→Libraries→ Add Libray→Server Runtime →Tomcat Server
2、切换到Java Build Path界面中的Orader and Export，选择Tomcat。
就可以解决问题
JSTL（JSP Standard Tag Library ，JSP标准标签库)是一个不断完善的开放源代码的JSP标签库，是由apache的jakarta小组来维护的。用来解析JSP标签。
解决方案：
jstl-1.2.jar、jstl-api-1.2.jar、jstl-impl-1.2.jar这三个包即解决问题。
但jsp页面中还在提示The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path的错误。
原因是Javaweb工程类中没有添加Tomcat运行时相关类导致。
解决方案：
1.右击web工程→属性或Build Path→Java Build Path→Libraries→ Add Libray→Server Runtime →Tomcat Server
2、切换到Java Build Path界面中的Orader and Export，选择Tomcat。
就可以解决问题
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