Using the Http URL to post soap request comes back with an error

When posting a soap request to a server to check the status of it Applications Manager reports.

url = https://xx.xxxxx.com/xxxx/OTAReceiver/soap-messaging
Request

<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
<soap:Header>
<xxxx:serviceHeader xmlns:xxxx="http://www.xxxx.com/ota/soap">
<xxxx:service>OTA_PingRQ</xxxx:service>
<xxxx:version>2007B</xxxx:version>
<xxxx:requester>xxxx.com</xxxx:requester>
<xxxx:serviceVersion>1.0</xxxx:serviceVersion>
</xxxx:serviceHeader>
</soap:Header>
<soap:Body>
<OTA_PingRQ Version="1.000" xmlns="http://www.xxxxx.org/OTA/2003/05">
<EchoData>Ping?</EchoData>
</OTA_PingRQ>
</soap:Body>
</soap:Envelope>

Exception while trying to acces the url java.util.zip.ZipException: invalid stored block lengths:ResponseCode -200