+1 deoma03
Since the VS_ and vse_matches log displays (see below) appear to show a successful response, try running the test again and review the vse.log file to see if any exceptions or displays indicate the service is having issues.
VS_Grexxto02D.log shows inbound request
2017-07-25 14:46:37,192Z (16:46)[GrexxtoO2D [VS_GrexxtoO2D_Run]/1] INFO - Inbound Request
2017-07-25 14:46:37,192Z (16:46)[GrexxtoO2D [VS_GrexxtoO2D_Run]/1] INFO - No Session ID
2017-07-25 14:46:37,192Z (16:46)[GrexxtoO2D [VS_GrexxtoO2D_Run]/1] INFO - Stateless Match Transaction:
2017-07-25 14:46:37,192Z (16:46)[GrexxtoO2D [VS_GrexxtoO2D_Run]/1] INFO - Response Lookup Completed
vse_matches.log shows match and HTTP 200 OK, Success response.
2017-07-25 14:46:37,192Z (16:46)[GrexxtoO2D [VS_GrexxtoO2D_Run]/1] INFO - Transaction Navigator Respond from: {"id":5,...."id":12....
2017-07-25 14:46:37,192Z (16:46)[GrexxtoO2D [VS_GrexxtoO2D_Run]/1] INFO - Response on the Wire HTTP/1.1 200 OK
<SOAP:Envelope xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/">
<SOAP:Body>
<cudKPNEENOrderSoapOut xmlns="http://grexxboxx.com/webservices/">
<--! more stuff here -->
<cudKPNEENOrderResult>
<result>OK</result>
<code>0</code>
<description>Success</description>
</cudKPNEENOrderResult>
<--! and here -->
vse.log2 starts with 2017-07-26 date/time stamp so we cannot see any additional information.
2017-07-26 03:16:24,206Z (05:16) [Event Sink Thread Pool Thread 1] INFO