Greetings all:

Recently updated a GW 2014 R2 system to GW 2018. For the most part things went swimmingly - with one notable exception. WebAccess seems to dislike attachments.

When an attachment is downloaded - regardless of what the file actually is - WebAccess insists on downloading it as a .html file - if you click "View" - WebAccess opens up a login dialog window shortly after displaying "rendering file view"

All was well under GW 2014 - now.. not so much. SSL is configured on WebAccess server using self-signed cert at the moment - waiting on a wildcard SSL cert, but don't see how that might affect anything.

tomcat log entry for a file view looks like this:
127.0.0.1 - - [16/Mar/2018:00:52:25 -0400] "GET /gw/webacc/b8d4ee18d36c301423849475c61039ffe8db8444d4699d9e59 c3dd6c4d589bb/SOAP/HREF/?action=Attachment.View&Item.Attachment.id=5AA1090 5%2eAES%2dDom%2eAES%2dPost%2e200%2e2000014%2e1%2e2 5488%2e1%4045%3a5AA10905%2eAES%2dDom%2eAES%2dPost% 2e100%2e1716B38%2e1%2e5B5%2e1%401%3a7%2eAES%2dDom% 2eAES%2dPost%2e100%2e0%2e1%2e0%2e1%4016&User.conte xt=b8d4ee18d36c301423849475c61039ffe8db8444d4699d9 e59c3dd6c4d589bb&Item.drn=5AA10905%2eAES%2dDom%2eA ES%2dPost%2e100%2e1716B38%2e1%2e5B5%2e1%401%3a7%2e AES%2dDom%2eAES%2dPost%2e100%2e0%2e1%2e0%2e1%4016& Item.displayExternalImages=3 HTTP/1.1" 200 1425


and for file download:
127.0.0.1 - - [16/Mar/2018:00:52:31 -0400] "GET /gw/webacc/IT%20Assessment%20Marketing.pdf?action=Attachment. Save&Item.Attachment.id=5AA10905%2eAES%2dDom%2eAES %2dPost%2e200%2e2000014%2e1%2e2548A%2e1%4045%3a5AA 10905%2eAES%2dDom%2eAES%2dPost%2e100%2e1716B38%2e1 %2e5B5%2e1%401%3a7%2eAES%2dDom%2eAES%2dPost%2e100% 2e0%2e1%2e0%2e1%4016&User.context=b8d4ee18d36c3014 23849475c61039ffe8db8444d4699d9e59c3dd6c4d589bb&It em.drn=5AA10905.AES-Dom.AES-Post.100.1716B38.1.5B5.1@1:7.AES-Dom.AES-Post.100.0.1.0.1@16 HTTP/1.1" 200 20269