I checked whether this issue or something similar had already been reported and it seems it has not, but I could be wrong. My excuses if it's been notified before.
There seems to be a conflict between the utility wsdl2java.bat shipped with Axis 1.6.2 and the libraries (16) added by the Apache Rampart module (1.6.2) when the latter is installed in Axis via Ant.
The wsdl2java utility was working without notice generating different stubs until Rampart was installed. After doing so, it stopped working completely. No exceptions, error messages or warnings were provided through the console. After echoing the values of JAVA_HOME and AXIS2_HOME the script finished without producing any output. As soon as those Rampart-added libraries were removed from the /lib folder in Axis2, the utility worked again.