JdbcConnection logfile

[Tapan Prajapati]

hii ,
i am using Jdk 1.6 , Windows 7 64bit , Oracle 11gR2 s/ws
i want to Establish connection by using oracle thin driver but the problem is after loading the class "oracle.jdbc.driver.OracleDriver" the connection object is not created so , simply after 2mins it shows the Exception "socket Read time out" i want to know the location of the log file . where the oracle related or java related log files are there?

[Tapan Prajapati]

hii,

and whats the reason of this Exception:

  Exception in thread "main" java.sql.SQLException: Socket read timed out
        at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:412)
        at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:

is there any problem in oracle? i unable to identify it please help me..