HTTP Status 500 - java.lang.NoClassDefFoundError: Could not initialize class org.apache.jasper.el.ELContextImpl [duplicate]
问题 This question already has answers here : How do I import the javax.servlet API in my Eclipse project? (15 answers) Closed 3 years ago . When I try to browse "localhost:8080" on myeclipse, I get the following error: type Exception report message java.lang.NoClassDefFoundError: Could not initialize class org.apache.jasper.el.ELContextImpl description The server encountered an internal error that prevented it from fulfilling this request. exception javax.servlet.ServletException: java.lang