<% @ page language="Java" contentType="text/HTML. Charset=utf-8 "session=" false "% & gt;
<% @ taglib uri="http://java.sun.com/jstl/core_rt" prefix="c" % & gt;
<% @ taglib uri="http://java.sun.com/jstl/fmt_rt" prefix="FMT" % & gt;
<meta HTTP - equiv="content-type" Content="text/HTML. Charset=utf-8 "/& gt;
<meta HTTP - equiv="X - UA - Compatible" content="IE=edge" & gt;
<meta name="viewport" content="width=device - width, initial - scale=1" & gt;
The background error message
Java nio. Channels. CancelledKeyException
At sun. Nio. Ch. SelectionKeyImpl. EnsureValid (Unknown Source)
At sun. Nio. Ch. SelectionKeyImpl. ReadyOps (Unknown Source)
The at org. Eclipse. Jetty. IO. ManagedSelector. SafeReadyOps (ManagedSelector. Java: 428)
The at org. Eclipse. Jetty. IO. ChannelEndPoint. ToEndPointString (ChannelEndPoint. Java: 437)
The at org. Eclipse. Jetty. IO. AbstractEndPoint. ToString (AbstractEndPoint. Java: 450)
The at Java. Lang. String. The valueOf (Unknown Source)
The at Java. Lang. StringBuilder. Append (Unknown Source)
At com. Onion. Server. The webserver. WebServerLogger. Debug (WebServerLogger. Java: 26)
The at org. Eclipse. Jetty. IO. AbstractEndPoint. OnIdleExpired (AbstractEndPoint. Java: 420)
The at org. Eclipse. Jetty. IO. IdleTimeout. CheckIdleTimeout (IdleTimeout. Java: 171)
The at org. Eclipse. Jetty. IO. IdleTimeout. IdleCheck (IdleTimeout. Java: 113)
The at Java. Util. Concurrent. Executors $RunnableAdapter. Call (Unknown Source)
The at Java. Util. Concurrent. FutureTask. Run (Unknown Source)
The at Java. Util. Concurrent. ScheduledThreadPoolExecutor $ScheduledFutureTask. Access the $201 (Unknown Source)
The at Java. Util. Concurrent. ScheduledThreadPoolExecutor $ScheduledFutureTask. Run (Unknown Source)
The at Java. Util. Concurrent. ThreadPoolExecutor. RunWorker (Unknown Source)
The at Java. Util. Concurrent. ThreadPoolExecutor $Worker. The run (Unknown Source)
The at Java. Lang. Thread. The run (Unknown Source)
Page
Javax.mail. Servlet. ServletException: org. Apache. Jasper. JasperException: Unable to compile class for JSP
The at org. Eclipse. Jetty. Server. Handler. HandlerCollection. Handle (HandlerCollection. Java: 162)
The at org. Eclipse. Jetty. Server. Handler. HandlerWrapper. Handle (HandlerWrapper. Java: 127)
At org. Eclipse. Jetty. The server. The server handle (516) server. Java:
The at org. Eclipse. Jetty. Server. HttpChannel. Lambda $handle $1 (388) HttpChannel. Java:
The at org. Eclipse. Jetty. Server. HttpChannel. Dispatch (HttpChannel. Java: 633)
The at org. Eclipse. Jetty. Server. HttpChannel. Handle (HttpChannel. Java: 380)
The at org. Eclipse. Jetty. Server. HttpConnection. OnFillable (HttpConnection. Java: 279)
The at org. Eclipse. Jetty. IO. AbstractConnection $ReadCallback. Succeeded (AbstractConnection. Java: 311)
The at org. Eclipse. Jetty. IO. FillInterest. Fillable (FillInterest. Java: 105)
The at org. Eclipse. Jetty. IO. ChannelEndPoint $1. The run (ChannelEndPoint. Java: 104)
The at org. Eclipse. Jetty. Util. Thread. Strategy. EatWhatYouKill. RunTask (EatWhatYouKill. Java: 336)
The at org. Eclipse. Jetty. Util. Thread. Strategy. EatWhatYouKill. DoProduce (EatWhatYouKill. Java: 313)
The at org. Eclipse. Jetty. Util. Thread. Strategy. EatWhatYouKill. TryProduce (EatWhatYouKill. Java: 171)
The at org. Eclipse. Jetty. Util. Thread. Strategy. EatWhatYouKill. Run (EatWhatYouKill. Java: 129)
The at org. Eclipse. Jetty. Util. Thread. ReservedThreadExecutor $ReservedThread. Run (ReservedThreadExecutor. Java: 383)
The at org. Eclipse. Jetty. Util. Thread. QueuedThreadPool. RunJob (QueuedThreadPool. Java: 882)
At org. Eclipse. Jetty. Util. Thread. QueuedThreadPool $Runner. The run (1036) QueuedThreadPool. Java:
The at Java. Lang. Thread. The run (Unknown Source)