troubleshooting Question

how to set classpath jar file while jar in jar file?

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10 Comments1 Solution1693 ViewsLast Modified:
for example i have files:


mianclass.txt contain:
Main-Class: myclass

and i make a jar file again
jar cmf mainclass.txt run.jar myclass.class a.jar

so i got file run.jar,and i run the file
java -jar run.jar

when i run the file it got error like this "Exception in thread "main" java.lang.NoClassDefFoundError".
How to set classpath a.jar? it set in mainclass.txt or where?
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