jars shipped in war conflicting with jetty [duplicate]
问题 This question already has answers here : Closed 7 years ago . Possible Duplicate: org.apache.jasper.el.ELContextImpl cannot be cast to org.apache.jasper.runtime.ELContextImpl I export a web service project (contains jsp pages) from Eclipse in a war file and deploy it in Jetty 8.1.5. It works fine on my machine. But after deploying the same war file on Jetty 8.1.3 on another machine (windows server 2003) it gives HTTP Error 500 and the following exception when I go to the index.jsp page: org