A problem you may have come across is your Weblogic or Websphere server complaining that the Entrust SSL certificate is missing the field Basic Constraints.  It may have shown up as Java exceptions, or errors with messages about certificate chains received from a website missing the basic constraints extension.  Here are some examples:

[Security:090548]The certificate chain received from www.example.com - 10.100.10.100 contained a V3 CA certificate which was missing the basic constraints extension

Read more… Weblogic and Websphere Missing “Basic Constraints” with Entrust SSL Certificates