Input Japanese with WATIR

One more tip. You better use
   $ie.text_field(:name,'txtPcode').value = 'KANJI'
instead of 
   $ie.text_field(:name,'txtPcode').set('KANJI') 

TextField#set method fails on japanese characters. 

Debug with Eclipse and Tomcat

Add the following line to startup.bat

 

set CATALINA_OPTS=-server -Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005
 

Eclipse

 

Add <Remote Java Application>

Host:localhost, Port 5005