If your WebLogic Server makes outbound connections to other systems it is wise to know what a DefaultProtocol is. Generally, when you create a WebLogic domain and haven’t configured SSL you will not have to do anything.
But once SSL is configured and you have dis-abled the non-ssl port, you should make sure that the DefaultProtocol your WebLogic Server uses is SSL (either t3s, https or iiops). If you haven’t done this, your WebLogic Server will try to use “t3″ (default) for any outbound connections and since the ListenPort is disabled it will fail.
Here’s a simple wlst script to change the default protocol to t3s for all the servers in the domain.
# After connecting to the Admin Server
edit()
startEdit()
servers = cmo.getServers()
for i in servers:
i.setDefaultProtocol(“t3s”)
save()
activate()
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