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I know you may blame me for this being a dupe - but frankly, I do not know what to do next. I spent hours online trying to find my solution, and have found nothing. Zilch. Zero.
Anyway, this is my problem: when I double click my runnable jar file, it shows a hourglass cursor for a second and then it disapears, leaving me with nothing. I have re installed my JDK and JRE 2 times, and nothing happens. Here is my manifest file:
Manifest-Version: 1.0
Class-Path: .
Main-Class: gedr.proj.Paint.Frame
I have tried to run my application via the command line, but am baffled by how to do it.
Tell me if you need any more information, or tell me what to do. Thanks in advance
EDIT: If I try 'java -jar PaintV2.jar' in cmd, it returns
Error: Unable to access jarfile PaintV2.jar
when I run 'ftype | find "jarfile"' it returns
jarfile="C:\Program Files\Java\jre7\bin\javaw.exe" -jar "%1" %*
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Normally after installing Java, there will be an association between . jar and the javaw.exe. This enables the executable jar to be opened on double click. You can check the association by going to Control Panel -> Programs -> Default Programs -> Associate a file type or protocol with a program.
If you do not have Java installed, and the PATH variable is not set correctly, attempts to run a JAR file on Windows or Ubuntu will result in a 'Java not recognized' error. To run a JAR file, you must install the Java JDK or JRE on your computer.
Navigate to your file in cmd, and then type
java -jar jarfile.jar
If you can could you upload the file please?
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