ＪＤＢＣ无法连接上oracle数据库,请高手不吝赐教！谢谢！！！

java.sql.SQLException: ORA-03120: 双工转换例行程序: 整数溢出



	at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:440)

	at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:396)

	at oracle.jdbc.driver.T4C8Oall.processError(T4C8Oall.java:837)

	at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:445)

	at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:191)

	at oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:523)

	at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:207)

	at oracle.jdbc.driver.T4CPreparedStatement.executeForRows(T4CPreparedStatement.java:1010)

	at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1315)

	at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3576)

	at oracle.jdbc.driver.OraclePreparedStatement.executeUpdate(OraclePreparedStatement.java:3657)

	at oracle.jdbc.driver.OraclePreparedStatementWrapper.executeUpdate(OraclePreparedStatementWrapper.java:1350)

	at com.wephp.example.JDBCExample.main(JDBCExample.java:22)

package com.wephp.example;



import java.sql.*;



public class JDBCExample {



	public static void main(String[] args) {

		String driver = "oracle.jdbc.driver.OracleDriver";

		String url = "jdbc:oracle:thin:@192.168.1.102:1521:guest";

		String username = "scott";

		String password = "tiger";

		String sql = "insert into users (usersname,password) values (?,?)";

		try {

			Class.forName(driver);

			// new oracle.jdbc.driver.OracleDriver();

			Connection conn = DriverManager.getConnection(url, username, password);

			// Statement stat = conn.createStatement();



			PreparedStatement pstmt = conn.prepareStatement(sql);

			pstmt.setString(1, "hjp");

			pstmt.setString(2, "iloveyou");

			pstmt.executeUpdate();



			pstmt.close();

			conn.close();



		} catch (ClassNotFoundException e) {



			e.printStackTrace();

		} catch (SQLException e) {



			e.printStackTrace();

		}



	}



}