drv <- JDBC("oracle.jdbc.driver.OracleDriver",
            classPath="D:\\app\\Administrator\\product\\11.2.0\\dbhome_1\\jdbc\\lib\\ojdbc6dms.jar", "`")
con <- dbConnect(drv, " jdbc:oracle:thin:@localhost:1521:orcl","scott",'******')
通过以上命令连接oracle g11数据库时总连接不上{:3_42:}，求大神赐教解决办法！{:3_52:}{:3_59:}