[URGENT] The remote server returned an error: (503) Server Unavailable

 Hi All,

Im using vb.net to write a web services. After couple of days the stress test on all the function, my exception catch sometimes is return the error message as a title but sometimes is not, why is this problems? Please advice.

Below is the coding to connect on the crmod server and this sample code is provided from oracle webservices sample code,

Public Sub Establish()

If Not sessionId Is Nothing Then

Destroy()

End If

' create a container for an HTTP request

Dim req As HttpWebRequest

req = WebRequest.Create(GetLogInURL())

'username and password are passed as HTTP headers