java.sql.SQLRecoverableException: 无法从套接字读取更多的数据

[DunnLin]

import java.sql.Connection;

import java.sql.DriverManager;
import java.sql.Statement;


public class TestJdbc {

/**
* @param args
*/
public static void main(String[] args) {
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
String url="jdbc:oracle:thin:@localhost:1521:orcl";
String username = "username";
String password = "password";
Connection conn = DriverManager.getConnection(url,username,password);
Statement st = conn.createStatement();
} catch (Exception e) {

e.printStackTrace();
}
}

}
代码如上，抛出了如下的异常，求高手解答
java.sql.SQLRecoverableException: 无法从套接字读取更多的数据
at oracle.jdbc.driver.T4CMAREngine.unmarshalUB1(T4CMAREngine.java:1142)
at oracle.jdbc.driver.T4CMAREngine.unmarshalSB1(T4CMAREngine.java:1099)
at oracle.jdbc.driver.T4C8TTIpro.receive(T4C8TTIpro.java:128)
at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1076)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:308)
at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:536)
at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:228)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:521)
at java.sql.DriverManager.getConnection(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:185)
at TestJdbc.main(TestJdbc.java:18)