не может получить доступ к моей базе данных из сервлета

Question

Я получаю следующую ошибку, когда пытаюсь подключиться к моей базе данных MYSQL из сервлета. Однако этого не происходит, когда я получаю доступ к базе данных из автономного приложения.

Dec 20, 2014 1:31:00 PM org.apache.tomcat.util.digester.SetPropertiesRule begin 
WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:NbaFantasyApp' did not find a matching property. 
Dec 20, 2014 1:31:00 PM org.apache.catalina.startup.VersionLoggerListener log 
INFO: Server version:  Apache Tomcat/7.0.57 
Dec 20, 2014 1:31:00 PM org.apache.catalina.startup.VersionLoggerListener log 
INFO: Server built:   Nov 3 2014 08:39:16 UTC 
Dec 20, 2014 1:31:00 PM org.apache.catalina.startup.VersionLoggerListener log 
INFO: Server number:   7.0.57.0 
Dec 20, 2014 1:31:00 PM org.apache.catalina.startup.VersionLoggerListener log 
INFO: OS Name:    Windows 7 
Dec 20, 2014 1:31:00 PM org.apache.catalina.startup.VersionLoggerListener log 
INFO: OS Version:   6.1 
Dec 20, 2014 1:31:00 PM org.apache.catalina.startup.VersionLoggerListener log 
INFO: Architecture:   amd64 
Dec 20, 2014 1:31:00 PM org.apache.catalina.startup.VersionLoggerListener log 
INFO: JAVA_HOME:    C:\Program Files\Java\jre1.8.0_25 
Dec 20, 2014 1:31:00 PM org.apache.catalina.startup.VersionLoggerListener log 
INFO: JVM Version:   1.8.0_25-b18 
Dec 20, 2014 1:31:00 PM org.apache.catalina.startup.VersionLoggerListener log 
INFO: JVM Vendor:   Oracle Corporation 
Dec 20, 2014 1:31:00 PM org.apache.catalina.startup.VersionLoggerListener log 
INFO: CATALINA_BASE:   C:\Users\PC\workspace_EE\.metadata\.plugins\org.eclipse.wst.server.core\tmp0 
Dec 20, 2014 1:31:00 PM org.apache.catalina.startup.VersionLoggerListener log 
INFO: CATALINA_HOME:   C:\Users\PC\Documents\eclipse-jee-luna-SR1-win32-x86_64\apache-tomcat-7.0.57\apache-tomcat-7.0.57 
Dec 20, 2014 1:31:00 PM org.apache.catalina.startup.VersionLoggerListener log 
INFO: Command line argument: -Dcatalina.base=C:\Users\PC\workspace_EE\.metadata\.plugins\org.eclipse.wst.server.core\tmp0 
Dec 20, 2014 1:31:00 PM org.apache.catalina.startup.VersionLoggerListener log 
INFO: Command line argument: -Dcatalina.home=C:\Users\PC\Documents\eclipse-jee-luna-SR1-win32-x86_64\apache-tomcat-7.0.57\apache-tomcat-7.0.57 
Dec 20, 2014 1:31:00 PM org.apache.catalina.startup.VersionLoggerListener log 
INFO: Command line argument: -Dwtp.deploy=C:\Users\PC\workspace_EE\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps 
Dec 20, 2014 1:31:00 PM org.apache.catalina.startup.VersionLoggerListener log 
INFO: Command line argument: -Djava.endorsed.dirs=C:\Users\PC\Documents\eclipse-jee-luna-SR1-win32-x86_64\apache-tomcat-7.0.57\apache-tomcat-7.0.57\endorsed 
Dec 20, 2014 1:31:00 PM org.apache.catalina.startup.VersionLoggerListener log 
INFO: Command line argument: -Dfile.encoding=Cp1252 
Dec 20, 2014 1:31:00 PM org.apache.catalina.core.AprLifecycleListener lifecycleEvent 
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Java\jre1.8.0_25\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:\ProgramData\Oracle\Java\javapath;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Program Files (x86)\AMD APP\bin\x86_64;C:\Program Files (x86)\AMD APP\bin\x86;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files\Java\jdk1.8.0_25\bin;C:\Program Files\MySQL\MySQL Server 5.6\bin;. 
Dec 20, 2014 1:31:00 PM org.apache.coyote.AbstractProtocol init 
INFO: Initializing ProtocolHandler ["http-bio-8080"] 
Dec 20, 2014 1:31:01 PM org.apache.coyote.AbstractProtocol init 
INFO: Initializing ProtocolHandler ["ajp-bio-8009"] 
Dec 20, 2014 1:31:01 PM org.apache.catalina.startup.Catalina load 
INFO: Initialization processed in 363 ms 
Dec 20, 2014 1:31:01 PM org.apache.catalina.core.StandardService startInternal 
INFO: Starting service Catalina 
Dec 20, 2014 1:31:01 PM org.apache.catalina.core.StandardEngine startInternal 
INFO: Starting Servlet Engine: Apache Tomcat/7.0.57 
Dec 20, 2014 1:31:01 PM org.apache.coyote.AbstractProtocol start 
INFO: Starting ProtocolHandler ["http-bio-8080"] 
Dec 20, 2014 1:31:01 PM org.apache.coyote.AbstractProtocol start 
INFO: Starting ProtocolHandler ["ajp-bio-8009"] 
Dec 20, 2014 1:31:01 PM org.apache.catalina.startup.Catalina start 
INFO: Server startup in 392 ms 
java.lang.ClassNotFoundException: com.mysql.jdbc.driver 
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1720) 
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571) 
    at java.lang.Class.forName0(Native Method) 
    at java.lang.Class.forName(Unknown Source) 
    at com.nba.fanduel.controller.ConnectionTest.doGet(ConnectionTest.java:36) 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:620) 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) 
    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:503) 
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) 
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) 
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) 
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) 
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421) 
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070) 
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611) 
    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:314) 
    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) 

Это мой код внутри метода doGet() в сервлете. Этот же код отлично работает внутри основного метода в автономном приложении. Не уверен, почему это происходит внутри сервлета. Пожалуйста, помогите и спасибо.

try{ 
      Class.forName("com.mysql.jdbc.driver"); 
      final String URL = "jdbc:mysql://localhost:3306/nbaplayers"; 
      final String user = "root"; 
      final String pass = "password"; 
      System.out.println("Connecting"); 
      Connection conn = DriverManager.getConnection(URL,user,pass); 
      System.out.println("connection Successful "); 
      String sql = "select * from nba_player_consistency_3wks"; 

     }catch(SQLException ex){ 
      ex.printStackTrace(); 
     }catch(ClassNotFoundException ex){ 
      ex.printStackTrace(); 
     } 
    } 

Answer 1

попробовать это (с заглавной D):

Class.forName("com.mysql.jdbc.Driver");