JSP database connection

0

Hello everyone. My problem is this: I have a JSP project, which used the Oracle SQL database. However, it came in handy for me to use MySQL and I installed MySQL .jar and I changed the Connection class, all right, so much so that in the class I tested DAO everything goes right. The problem is when I load the page in TomCat. These errors come to me:

  

type Exception report message Servlet execution threw an exception   description The server encountered an internal error that prevented it   from fulfilling this request. exception   javax.servlet.ServletException: Servlet execution threw an exception     org.apache.tomcat.websocket.server.WsFilter.doFilter (WsFilter.java:52)   root cause java.lang.NoClassDefFoundError: com / mysql / jdbc / Driver     (ConnectionBD.java:25)     The.ProductOf.the.RegisterItem (ProductOpt.java:33)     br.platform.controller.ProductControl.Post (Product Control.java:51)     javax.servlet.http.HttpServlet.service (HttpServlet.java:650)     javax.servlet.http.HttpServlet.service (HttpServlet.java:731)     org.apache.tomcat.websocket.server.WsFilter.doFilter (WsFilter.java:52)   root cause java.lang.ClassNotFoundException: com.mysql.jdbc.Driver     org.apache.catalina.loader.WebappClassLoaderBase.loadClass (WebappClassLoaderBase.java:1892)     org.apache.catalina.loader.WebappClassLoaderBase.loadClass (WebappClassLoaderBase.java:1735)     (ConnectionBD.java:25)     The.ProductOf.the.RegisterItem (ProductOpt.java:33)     br.platform.controller.ProductControl.Post (Product Control.java:51)     javax.servlet.http.HttpServlet.service (HttpServlet.java:650)     javax.servlet.http.HttpServlet.service (HttpServlet.java:731)     org.apache.tomcat.websocket.server.WsFilter.doFilter (WsFilter.java:52)   note The full stack trace of the root cause is available in the Apache   Tomcat / 7.0.81 logs.

What am I doing wrong?

    
asked by anonymous 12.09.2017 / 20:41

1 answer

1

I decided, the problem was that I had not pulled the .jar to the lib folder and given build path ... silly mistake, but that cost time

    
12.09.2017 / 21:35