what is java.io.IOException: invalid header field?

Question

When i try to run the following command :

jar cvfm myjar.jar manifest.txt *.class

I get the following exceptions :

java.io.         


        

Answer 1

Check that your manifest.txt file contains the content in this manner :

Main-Class: <"package-name">.<"Main-class-name">.class <"newline">

Note that newline/carriage-return is necessary for parsing.

Refer to this link http://docs.oracle.com/javase/tutorial/deployment/jar/appman.html