1. bill vignola
  2. PowerServer 2020 or older (Obsolete)
  3. Wednesday, 17 October 2018 17:02 PM UTC

Could you please explain why PowerServer only supports deployment to only certain J2EE application servers (WebLogic, WebSphere, JEUS and WildFly)? If it's a J2EE compliant application it should be able to deploy to any J2EE container - that's the idea behind having the standard in the first place. To this end I would like to know if it is possible to deploy to Tomcat?

Sean Flynn

Armeen Mazda @Appeon Accepted Answer Pending Moderation
  1. Wednesday, 17 October 2018 20:05 PM UTC
  2. PowerServer 2020 or older (Obsolete)
  3. # 1

PowerServer when deployed to a Java environment requires support for EJB 3.0 and when deployed to .NET requires support for the full .NET framework (not just the .NET Core).  So for these reasons certain Java or .NET servers are not compatible.  For the most part we have supported the most popular commercial and open-source Java servers that support EJB 3.0.  It's been a while since I checked but last I remember Tomcat didn't support EJB 3.0.

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Chris Pollach @Appeon Accepted Answer Pending Moderation
  1. Wednesday, 17 October 2018 17:08 PM UTC
  2. PowerServer 2020 or older (Obsolete)
  3. # 2

Hi Sean;

  TomCat is a Web Server and not an App Server.

To support any J2EE App Server, PS has to have the proper "hooks" built for that App server internal design. So thus far, Appeon has support for the more popular J2EE App servers.


Regards ... Chris

  1. bill vignola
  2. Wednesday, 17 October 2018 17:59 PM UTC
Tomcat actually implements many of the Java EE specifications including servlets, JSP, EL and WebSocket. I guess I'm just trying to understand what specific Java EE "hooks" PowerServer is using that makes it require a full blown Java EE container (e.g. EJB, JMS, JTAI, etc.)? Knowing this would allow us to know which other Java EE servers might work (e.g. GlassFish).
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  1. Chris Pollach @Appeon
  2. Wednesday, 17 October 2018 19:14 PM UTC
Where GlassFish "might" work - its not supported. I am not sure if any IT shop wants to venture into the "use at own risk but don't call us" realm. However, please feel free to create a Support Ticket for PowerServer requesting the support for GlassFish or other App server as an "enhancement" request.
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