Uniface 10.3.2. or 10.4.x with Tomcat and java

For Uniface 10.3.2.: 
Which Java version do you need (at least)? 
Does it only work with Tomcat 9 at most, or also with Tomcat 10.1?

For Uniface 10.4: 
Which Java version do you need (at least)? 
Does it work with Tomcat 10.1? 
If so, is wrd.jar from Uniface 10.4 compatible with the Uniface 10.3 urouter?
(The documentation claims that an application web server for Servlet 6.0 (i.e. Tomcat 10.1, for example) should work. 
But I looked in the wrd.jar from my Uniface 10.4 installation, and it only seems to be compatible with Tomcat 9 
(background: Tomcat 10.1 implements the JakartaEE namespace, Tomcat 9 still uses JavaEE) ).

Many thanks in advanced

Hello Hendrik,

In the 10.4.03 installation we have 2 wrd versions.

Tomcat 10.1 has breaking changes, so that we have 2 flavors for now.

See for more info wrd.jar

The v7 works well together with Tomcat 10.1. We ship Uniface 10.4.03 together with Tomcat 10.1 and OpenJDK 17.
The servletclass for the WRD has also changed since v7.

I think for Tomcat 10.x at least you need Java version 11. More on that can be found on tomcat which version.

You can check this all in What's new in 10.4.03.000

Earlier versions of the wrd work well with Tomcat 10.0 and Tomcat 9.0. It's based on the servlet API that is needed.

Does it work with 10.3.02? You can try. No guarantees can be given for that. We normally do not mix these versions.

Hope this helps you.

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Sjaak van Schie
Principal Software Engineer
Rocket Software - Uniface
Amsterdam - Netherlands
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