Re: How to copy one jar inside another

Lew <>
Sat, 05 May 2007 22:27:35 -0400
Mark Space wrote:

What confuses me about this statement is that Sun explicitly says you
can't put your own .jar in the classpath this way. It's rather counter

Quote from:

Note : The Class-Path header points to classes or JAR files on the local
network, not JAR files within the JAR file or classes accessible over
internet protocols. To load classes in JAR files within a JAR file into
the class path, you must write custom code to load those classes. For
example, if MyJar.jar contains another JAR file called MyUtils.jar, you
cannot use the Class-Path header in MyJar.jar's manifest to load classes
in MyUtils.jar into the class path.

What this passage says is that you cannot put one JAR inside another. It does
not say that you cannot include another JAR in the classpath via the manifest.

Which, of course, you can do, as has been mentioned.

It also doesn't speak to what Richard mentioned:

I gave 2 options, put the relative classpath in the manifest and double
click or "if that wasn't required" start from a script i.e. set your jars on
the classpath and execute via java or javaw as normal.

the second option of which refers to invoking the main class directly from the
"java" command without the "-jar" option.


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