weblogic+oracle连接问题

[fftatcsdn]

weblogic和oracle装在一台机器上的c:\，默认路径，库已经建好，且能够使用sqlplus访问，system\manager,但是使用jdbc:oracle:thin驱动，用jsp页面连接本机的数据库却连不上，beadblog.log显示如下错误：
Fri Nov 15 09:00:57 CST 2002 Opening connection 0 oracle.jdbc.driver.OracleConnection@4b754f:
--->Attempt (1 of 20) failed to create new connections set at startup:
java.sql.SQLException: Io 异常: Connection reset by peer: JVM_recv in socket input stream read
Will try again in 15 seconds...