The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path

完整错误信息:

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Description Resource Path Location Type

The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path add.jsp /dwz-java/WebContent/WEB-INF/jsp/management/news line 1 JSP Problem

The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path

在出现此错误的项目上单击鼠标右键》Build Path》Configure Build Path

The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path

The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path

The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path

The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path

The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path

The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path

 
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