在这里,我正在尝试将安装在本地机器中的预言机与DSN bam
连接。我得到了java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver
例外。任何人请帮助我解决此问题。
public class JdbcConnectionExample {
public static void main(String[] args) {
// TODO Auto-generated method stub
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
Connection con = DriverManager
.getConnection("jdbc:oracle:thin:@localhost:1521:bam"
,"system","tiger");
Statement stmt = con.createStatement();
System.out.println("Created DB Connection....");
ResultSet rs = stmt.executeQuery("select * from tt");
while(rs.next()){
System.out.println(rs.getString("ename"));
System.out.println(rs.getInt("age"));
}
rs.close();
con.close();
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
日志在这里
java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at com.bam.sqlex.JdbcConnectionExample.main(JdbcConnectionExample.java:14)
可能是你还没有从这里添加 oracle 驱动程序下载 jar 的 jar
java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver
毫无疑问,您缺少Oralce罐子,请将其纳入您的项目
Class.forName("oracle.jdbc.driver.OracleDriver");
您必须检查此类是否已添加到类路径中。