[HTTP:101371]There was a failure when processing annotations for application D:\software\hedu.war. Ensure that the annotations are valid. The error is Class bytes found but defineClass()failed for: 'com.reremouse.servlet.DownloadFileQuestionAttach' com/reremouse/servlet/DownloadFileQuestionAttach : unsupported classversion 51.0
The server understands and is willing to comply with the client’s request, via the Upgrade message header field (section 14.42), for a change in the application protocol being used on this connection. The server will switch protocols to those defined by the response’s Upgrade header field immediately after the empty line which terminates the 101 response.