로그인 페이지를 만들고 최대 절전 모드를 사용하여 데이터베이스와 연결 한 로그인 세부 정보를 확인합니다. 서블릿을 통해 데이터를 전송하고 있습니다. UserDAO dao = new UserDAOjava.lang.ClassNotFoundException : clear org.hibernate.Session 예외 처리
SEVERE: Servlet.service() for servlet [com.onlineportal.tp.servlet.LoginServlet] in context with path [/Online_Course_Learning_Portal] threw exception [Servlet execution threw an exception] with root causejava.lang.ClassNotFoundException가 : 내 목적은이 같은 예외를 가지고
DAO 클래스에 여기가 org.hibernate.Session org.apache.catalina.loader.WebappClassLoaderBase.loadClass에서 (WebappClassLoaderBase.java:1313) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass (WebappClassLoaderBase.java:1164) at com.onlineportal.tp.servlet.LoginServlet.doPost (LoginServlet.java:31) at javax.servlet.http.HttpServlet.service (org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:291) at org.apache. org.apache.tomcat.websocket.server.WsFilter.doFilter (WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (applicationFilterChain.java:206) 에있는 org.apache.tomcat.websocket.server.WsFilter.doFilter ApplicationFilterChain.java:239) at org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:239) org.apache.catalina.core.StandardWrapperValve.invoke (StandardWrapperValve.java:219) 에서 at org.apache.catalina.core.StandardContextValve.invoke (StandardContextValve.java:106) at org. org.apache.catalina.valves.ErrorReportValve.invoke에서 org.apache.catalina.core.StandardHostValve.invoke (StandardHostValve.java:142) 에서 apache.catalina.authenticator.AuthenticatorBase.invoke (AuthenticatorBase.java:502) (ErrorReportValve.java:79) at org.apache.catalina.valves.AbstractAccessLogValve.invoke (AbstractAccessLogValve.java:617) at org.apache.catalina.core.StandardEngineValve.invoke (StandardEngineValve.java:88) at org. apache.catalina.connector.CoyoteAdapter.service (CoyoteAdapter.java:518) at org.apache.coyote.http11.AbstractHttp11Processor.process (AbstractHttp11Processor.java:1091) at org.apache.coyote.AbstractProtocol $ AbstractConnectionHandler.process (AbstractProtocol.java:668) at org.apache.tomcat.util.net. NioEndpoint $ SocketProcessor.doRun (NioEndpoint.java:1527) at org.apache.tomcat.util.net.NioEndpoint $ SocketProcessor.run (NioEndpoint.java:1484) at java.util.concurrent.ThreadPoolExecutor.runWorker (알 수없는 소스) at java.util.concurrent.ThreadPoolExecutor $ Worker.run (알 수없는 소스) at org.apache.tomcat.util.threads.TaskThread $ WrappingRunnable.run (TaskThread.java:61) at java.lang.Thread. 실행 (알 수없는 출처)
어떻게해야합니까?