INFO: Illegal access: this web application instance has been stopped already.  Could not load oracle.jdbc.OracleDriver.  The eventual following stack trace is caused by an error thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access, and has no functional impact.java.lang.IllegalStateException
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1612)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:278)
at java.sql.DriverManager.isDriverAllowed(DriverManager.java:463)
at java.sql.DriverManager.getConnection(DriverManager.java:215)
at gsmprepaid.DbCon.getMyIvrDataSource(DbCon.java:362)
at com.realsoftinc.dtl.services.DTLDatabaseManagerNoSession.getMyIvrDataSource(DTLDatabaseManagerNoSession.java:142)
at com.realsoftinc.dtl.services.DTLDatabaseManagerNoSession.getCMSMyIvrConnection(DTLDatabaseManagerNoSession.java:166)
at com.realsoftinc.dtl.services.MyIvr1DBThread.run(MyIvr1DBThread.java:138)

Unable to make connection with DB
java.sql.SQLException: No suitable driver found for jdbc:oracle:thin:@//ivr-scan.dc.dialog.lk:1521/ivrdb

Connection Con = null;
String url = "jdbc:oracle:thin:@//ivr-scan.dc.dialog.lk:1521/ivrdb";
String dbUName = "IVRDTL";
String dbPswd = "ivrdtl";
String Driver = "oracle.jdbc.driver.OracleDriver";

    public DbCon() throws InstantiationException, IllegalAccessException,
        ClassNotFoundException, SQLException {
    Class.forName(this.Driver).newInstance();
}

public Connection getMyIvrDataSource() throws IOException {
    try {

        System.out.println("Trying to connect");
        this.Con = DriverManager.getConnection(this.url, this.dbUName,
                this.dbPswd);
        System.out
                .println("Connection Established Successfull and the DATABASE NAME IS:"
                        + Con.getMetaData().getDatabaseProductName());
    } catch (Exception e) {
        System.out.println("Unable to make connection with DB");
        e.printStackTrace();
    }
    return Con;
}