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Old 08-17-2013, 01:05 PM   #1
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Question I have all of the Java stuff installed but still cant run .jar applications.

Hi guys. I just installed Fedora and removed Ubuntu. Java 7 worked fine on Ubuntu, and I have all of the stuff for Java 7 on Fedora 19 but still can't run things like the new Minecraft Launcher (it is an executable Jar file). Can anyone tell me what I am doing wrong?
Old 08-17-2013, 02:39 PM   #2
John VV
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WHAT exactly did you install ?
fedora by default DOSE NOT use Oracles JAVA ! it uses OpenJDK
openjdk is what is in the fedora repos and is what is installed using yum ( by default )

now Oracles JAVA 1.7 can be installed BUT you must reset "alternatives"

see Mjmwired's page

most things will work with the opensource OpenJDK but not EVERYTHING
somethings will need Oracles JAVA 1.7
or the now dead and unsupported Oracles "JAVA 1.6 "

Fedora , unlike Ubuntu , will NEVER ship with NON free NON gpl's software

no Adobe flash, NO Oracle Java , no mp3, no MS's .wmv , and so on

Last edited by John VV; 08-17-2013 at 02:42 PM.
Old 08-17-2013, 03:32 PM   #3
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How you run Minecraft and what output you get?
Old 08-18-2013, 01:31 AM   #4
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Hi there,
well the thing for helping you is that you do not mention what you have done
So, for someone to be able to help you will have to tell him/her
what have installed? (just like JohnW says above)
how are you trying to run this .jar file?
were there any error messages when you tried running the .jar file?


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