SSL debug JVM arguments for weblogic

set these arguments in setDomainEnv.cmd file in the variable JAVA_PROPETIES =

-Dssl.debug=true
-Dweblogic.webservice.client.verbose=true
-Dweblogic.security.SSL.verbose=true
-Dweblogic.StdoutDebugEnabled=true
-Dweblogic.webservice.binding.verbose=true

It will give you more help to debug SSL errors during webservice call on secure connections

And if using javax.net package for SSL then following args is help full :

javax.net.debug=all