Error Page

The application encountered an unexpected error.

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Exception
Classjava.lang.NullPointerException
Messagenull
java.lang.NullPointerException
	at com.denoblto.web.pages.MatchEdit.onInit(MatchEdit.java:57)
	at net.sf.click.ClickServlet.processPage(ClickServlet.java:525)
	at net.sf.click.ClickServlet.handleRequest(ClickServlet.java:356)
	at net.sf.click.ClickServlet.doGet(ClickServlet.java:284)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:436)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1078)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2517)
	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2506)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:622)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)

Page
Classnamecom.denoblto.web.pages.MatchEdit
Path/matchEdit.htm

Request
Attributes 
Auth Typenull
Context Path/kerncomp
Headersaccept=text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
accept-encoding=gzip
accept-language=en-US,en;q=0.5
connection=Keep-Alive
host=kerncompetitie.be
user-agent=CCBot/2.0 (https://commoncrawl.org/faq/)
x-forwarded-for=3.85.143.239
x-forwarded-host=kerncompetitie.be
x-forwarded-server=www.kerncompetitie.be
Querynull
MethodGET
Parameters 
Remote Usernull
URI/kerncomp/matchEdit.htm
URLhttp://kerncompetitie.be/kerncomp/matchEdit.htm
Sessionconverstaion={}