Google is your friend.

http://www.google.co.in/search?q=Failed+to+load+Main-Class+manifest+attribute

The first hit from the search result has this link to Java tutorial :
http://java.sun.com/docs/books/tutorial/deployment/jar/basicsindex.html

To execute a jar using 'java' command, the JAR file needs to have a MANIFEST.MF file with entry 'Main-Class'.

The value of this entry must be the fully qualified class name which has the main() function.

-Prashant

[EMAIL PROTECTED] wrote:

Hi All,

I have 10 java files and I have written Ant build.xml to compile and create JAR file which contains the .class files. Now my requirement is that I need to execute/install the JAR file but unfortunately I can’t do this as I am getting following error.

D:\Irfan\Manvendra Singh java code\Manvendra Singh java code>java -jar test.jar

Failed to load Main-Class manifest attribute from

test.jar

D:\Irfan\Manvendra Singh java code\Manvendra Singh java code>

Please find the attached java code and build script.

Please help

Regards

Irfan.

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