Hello guys, i'm getting this error while submitting a simple form. i honestly don't know what is :     Someone could point me where the error this.    





    
    package mvc.controller;
    
    import java.io.IOException;
    
    import javax.servlet.RequestDispatcher;
    import javax.servlet.ServletException;
    import javax.servlet.annotation.WebServlet;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    
    import mvc.bean.PollBean;
    import mvc.dao.PollDAO;
    
    
    @WebServlet("/pollControll")
    
    public class PollController extends HttpServlet {
    
    	private static final long serialVersionUID = 1L;
    
    	private PollDAO pd;
    
    	public PollController() {
    
    		pd = new PollDAO();
    	}
    
    	protected void doGet(HttpServletRequest request, HttpServletResponse response)
    			throws ServletException, IOException {
    
    		String action = request.getParameter("action");
    
    		if (action.equalsIgnoreCase("SelectALL")) {
    
    			request.setAttribute("polls", pd.SelectAll());
    
    		}
    
    		response.getWriter().append("Served at: ").append(request.getContextPath());
    	}
    
    	protected void doPost(HttpServletRequest request, HttpServletResponse response)
    			throws ServletException, IOException {
    
    		String action = request.getParameter("action");
    
    		if (action.equalsIgnoreCase(("insert"))) {
    			
    			
    			PollDAO pp = new PollDAO();
    			PollBean p = new PollBean();
    			
    		int note = Integer.parseInt(request.getParameter("note"));
    		String email = request.getParameter("email");
    
    			p.setNote(note);
    			p.setEmail(email);
    			
    			pp.insert(p);
    
    			RequestDispatcher direct = request.getRequestDispatcher("/home.jsp");
    
    			direct.forward(request, response);
    
    		} else if (action.equalsIgnoreCase("ResetALL")) {
    
    			PollBean p = new PollBean();
    
    			pd.ResetALL(p);
    
    		} else if (action.equalsIgnoreCase("Activated")) {
    
    			PollBean p = new PollBean();
    
    			pd.Activated(p);
    
    			RequestDispatcher direct = request.getRequestDispatcher("/PollAdmin.jsp");
    
    			direct.forward(request, response);
    
    		} else if (action.equalsIgnoreCase("Deactivated")) {
    
    			PollBean p = new PollBean();
    
    			pd.Deactivated(p);
    
    			RequestDispatcher direct = request.getRequestDispatcher("/PollAdmin.jsp");
    
    			direct.forward(request, response);
    		}
    
    		doGet(request, response);
    	}
    
    }






Servlet.service() for servlet [mvc.controller.PollController] in context with path [/Enquete_eduCAPES] threw exception [Servlet execution threw an exception] with root cause
    java.lang.ClassNotFoundException: java.time.temporal.TemporalField
    	at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1858)
    	at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1701)
    	at org.postgresql.jdbc.PgConnection.<init>(PgConnection.java:320)
    	at org.postgresql.Driver.makeConnection(Driver.java:406)
    	at org.postgresql.Driver.connect(Driver.java:274)
    	at java.sql.DriverManager.getConnection(Unknown Source)
    	at java.sql.DriverManager.getConnection(Unknown Source)
    	at mvc.util.ConexaoDAO.getConnection(ConexaoDAO.java:29)
    	at mvc.dao.PollDAO.insert(PollDAO.java:40)
    	at mvc.controller.PollController.doPost(PollController.java:60)
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
    	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.valves.AccessLogValve.invoke(AccessLogValve.java:956)
    	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$AbstractConnectionHandler.process(AbstractProtocol.java:625)
    	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)
    	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    	at java.lang.Thread.run(Unknown Source)


