Error Page

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Exception
Classcom.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException
MessageCommunications link failure during rollback(). Transaction resolution unknown.
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Communications link failure during rollback(). Transaction resolution unknown.
	at sun.reflect.GeneratedConstructorAccessor1682.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:527)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
	at com.mysql.jdbc.Util.getInstance(Util.java:408)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:919)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:898)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:887)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:861)
	at com.mysql.jdbc.ConnectionImpl.rollback(ConnectionImpl.java:4572)
	at org.hibernate.transaction.JDBCTransaction.rollbackAndResetAutoCommit(JDBCTransaction.java:183)
	at org.hibernate.transaction.JDBCTransaction.rollback(JDBCTransaction.java:162)
	at com.denoblto.hibernate.util.HibernateThreadSession.rollbackTransaction(HibernateThreadSession.java:138)
	at com.denoblto.hibernate.util.HibernateRunner.execute(HibernateRunner.java:16)
	at com.denoblto.hibernate.util.HibernateRunner.executeWrapCheckedExceptions(HibernateRunner.java:25)
	at com.denoblto.hibernate.util.service.NewsItemManagementService.getLast3NewsItems(NewsItemManagementService.java:17)
	at com.denoblto.web.pages.Home.onInit(Home.java:32)
	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.Home
Path/home.htm

Request
Attributes 
Auth Typenull
Context Path/kerncomp
Headersaccept=text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
accept-encoding=br,gzip
accept-language=en-US,en;q=0.5
connection=Keep-Alive
host=kerncompetitie.be
if-modified-since=Mon, 24 Feb 2020 05:16:08 CET
user-agent=CCBot/2.0 (https://commoncrawl.org/faq/)
x-forwarded-for=3.234.244.18
x-forwarded-host=kerncompetitie.be
x-forwarded-server=www.kerncompetitie.be
Querynull
MethodGET
Parameters 
Remote Usernull
URI/kerncomp/
URLhttp://kerncompetitie.be/kerncomp/
Sessionconverstaion={}