KB-XXXX Call Web Service Smart Service omits the port number in the host header after upgrade

Symptoms

After upgrading to Appian 18.1 or later, calls to SOAP Web Services using the Call Web Service Smart Service no longer include a port in the host header, causing web service calls with custom port numbers to fail. In a web service trace, the host headers would appear as follows:

Call from previous Appian version

Host: service.example.com:7000

Call from new Appian version

Host: service.example.com

Cause

This issue has been addressed as AN-112823 in the following hotfixes:

• Appian 18.1 Hotfix Package F
• Appian 18.2 Hotfix Package D
• Appian 18.3 Hotfix Package A

Action

Apply the latest hotfix to your Appian installation or upgrade to the latest version of Appian.

Affected Versions

This article applies to Appian versions 18.1, 18.2 and 18.3.

Last Reviewed: October 2018