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ticket.databaseManager
java.lang.ClassCastException: ticket.databaseManager	at org.apache.tomcat.core.ServletWrapper.loadServlet(ServletWrapper.java:268)	at org.apache.tomcat.core.ServletWrapper.init(ServletWrapper.java:289)	at org.apache.tomcat.core.Handler.service(Handler.java:254)	at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)	at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:812)	at org.apache.tomcat.core.ContextManager.service(ContextManager.java:758)	at org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:213)	at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:501)	at java.lang.Thread.run(Thread.java:484)