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The exception is due to the usage of the wrong soap endpoint URL. For a production instance, the soap endpoint URL will be : https://login.salesforce.com/services/Soap/u/32.0 and for sandbox instance the URL will be: https://test.salesforce.com/services/Soap/u/32.0
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The exception is due to the usage of the wrong soap endpoint URL. For a production instance, the soap endpoint URL will be :
https://login.salesforce.com/services/Soap/u/32.0 and for sandbox instance the URL will be: https://test.salesforce.com/services/Soap/u/32.0