Error while running webservice Connector

Hi All,
[SIZE=2]I got the following exception while running the web service Connector.
Could not run ‘readFile’.

and the webservice am trying to connect is this:

targetNamespace=“” xmlns:tns=“” xmlns:xsd=“” xmlns:soap=“” xmlns=
when i invoked this webservice from browser it is working fine. But when th same webservice when i ran the got the error i stated above.

Please help me.