Retreive all the data in the log table Note : The return value is the
data shown in the "session servlet output" screen
All the logged data throws: RemoteException - if invocation fails
Retreive all the data in the log table Note : The return value is the
text format (calls from the java client)
All the logged data throws: RemoteException - if invocation fails
Keep the parameter in a list. Note : the parameter represents a line in
the "session servlet output" screen
Parameters: s - The string to keep. throws: RemoteException - if invocation fails