Need suggestion on the below issue. When I am trying to connect Salesforce.com through Web Service API by using username,(Password+Security Token) and End-point URL getting the below error. But using the same credentials able to login through browser as well as through data loader.
Error: sf:INVALID_LOGININVALID_LOGIN: Invalid username, password, security token; or user locked out. INVALID_LOGINInvalid username, password, security token; or user locked out.