windows - Izpack installer can't run without java -

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i've created java application , , installer izpack , can setup application out problems when machine has jre , when there no jre installed on machine error indicating "windows cannot find javaw. make sure typed name correcly , try again." there way can pop friendly panel user tell him install jre , or there way bundle jre inside exe?

i surfed internet till came across article talking izpack native launcher (building native windows installers izpack native launcher); provides 3 options needed , , these options :

  1. manually specify jre location
  2. download 1 internet
  3. install 1 provided packager (if available).

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