Unable to create a jar

Question

Hi everyone,
I m trying to create a jar file for classes that are Animal.class and Dog.class
both in C:\project\classes
along with manifest.txt that says Main-Class: Dog
so in CMD,
C:\project\classes>jar -cvmf manifest.txt Dapp.jar Dog.class
but, I get this exception
java.io.FileNotFoundException: manifest.txt (The system cannot find the file spe
cified)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:138)
at java.io.FileInputStream.<init>(FileInputStream.java:97)
at sun.tools.jar.Main.run(Main.java:171)
at sun.tools.jar.Main.main(Main.java:1177)

Answer 1

gimbal2 wrote:
handat wrote:
Try to not use .txt extension for the manifest file, ie rename the manifest file to something say manifest.mf and then run jar -cvmf manifest.mf Dapp.jar Dog.class
I found that some jar versions in windows don't like the .txt or .xml extensions for the manifest file.Not any should like it. The file is supposed to be named MANIFEST.MF. And it has nothing to do with Windows either, its all part of the Java runtime.But it seems to me that the "jar" command should take whatever file you provide as the manifest and put it into the jar under the name of MANIFEST.MF. I don't think it's a requirement that you have to call the file that -- I'm pretty sure that the docs don't say any such thing.