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- package com.example.dao;
- import java.sql.Connection;
- import java.sql.DriverManager;
- public class dao {
- private static Connection con;
- public static Connection getcon(){
- try{
- String instanceConnectionName = "edu-vitae1";
- String databaseName = "eduvitae";
- String username = "root";
- String password = "root";
- Class.forName("com.mysql.jdbc.Driver");
- String jdbcUrl = String.format(
- "jdbc:mysql://google/eduvitae?cloudSqlInstance=edu-vitae-211606:asia-south1:edu-vitae1&socketFactory=com.google.cloud.sql.mysql.SocketFactory&user=root&password=root&useSSL=false",
- databaseName,
- instanceConnectionName);
- //Connection con=DriverManager.getConnection("jdbc:mysql://google/eduvitae?cloudSqlInstance=edu-vitae-211606:asia-south1:edu-vitae1&socketFactory=com.google.cloud.sql.mysql.SocketFactory&useSSL=false&user=root&password=root");
- Connection con = DriverManager.getConnection(jdbcUrl, username, password);
- //con=DriverManager.getConnection("jdbc:mysql://35.200.134.221/edu","root","root");
- }
- catch (Exception e) {
- System.out.println(e);
- }
- return con;
- }
- }
- java.sql.SQLException: java.lang.NoClassDefFoundError: com/mysql/cj/protocol/SocketFactory
- at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1055)
- at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956)
- at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:926)
- at com.mysql.jdbc.Util.handleNewInstance(Util.java:430)
- at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:302)
- at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:282)
- at java.sql.DriverManager.getConnection(Unknown Source)
- at java.sql.DriverManager.getConnection(Unknown Source)
- at com.example.dao.dao.getcon(dao.java:20)
- at com.example.model.register.doPost(register.java:105)
- at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
- at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
- at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
- at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
- at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
- at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
- at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
- at com.googlecode.objectify.ObjectifyFilter.doFilter(ObjectifyFilter.java:48)
- at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
- at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
- at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
- at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
- at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:491)
- at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
- at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
- at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:668)
- at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
- at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
- at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
- at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
- at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:764)
- at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1388)
- at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
- 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)
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