Help using manifest file classpath.

I have a jar file (A) that is dependant on another jar file (B). When I run my app, which references jar A, if it doesn't also include jar B in its class path I get an error referencing jar B (as expected)
Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: org/apache/commons/io/FileUtils
But if I add the following to jar A's manifest file:
Class-Path: E:\commons-io-1.1.jar
if get an error referencing jar A
java.lang.NoClassDefFoundError: utilities/gui/ExitApplicationProducer

Ok, now I have "Class-Path: .\commons-io-1.1.jar"...That's still Windows-specific. If you want it to be relative to the referring jar, then simply specify commons-io-1.1.jar without the windows-specific path notation prefixing it.

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editor.setPage(getClass().getResource("/Mydirectory/default.htm"));
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Using another jar file which will include mydirectory can solve this problem?
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Need help with Manifest file for jar

I am creating an executable jar for a document management application. In the manifest file there is a Class-Path setting. I will be running this app in multiple environments and I want this Class-Path setting to read from the machines classpath. How do I do it? Any help is greatly appreciated.

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How to use manifest file to indicate the entry class?

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Hi.
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I created a jar file that will have all the class files of the application. In the manifest file class path, I have the jar files the application is dependent on. The dependent jar files were kept outside of the application jar file. I was able to execute the main file in the application jar file. Then I created another jar file that holds all the dependent jar files the application is dependent on along with the application jar file into one super jar file. configured the main class attribute of the super jar file to that in the application jar file. When I try to execute it, I'm getting an error saying Class Not Found. Can someone guide me in setting the classpath for this super jar file in its manifest file.
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E H

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I have a batch file that runs the application without any problem, but when I try to create a manifest with the main class attribute copied char by char from my batch file and run it, I get a message "could not find the main class".
I been browsing the web for the past 4 hours* now and the only type of answers I see for that problem is something like this:
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I read there the related topics.
However, it wasn't even close to being helpful.
I'm using ant and the inner build.xml syntax is probably eluding me somewhere.
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I'm at the point when I'm about to give up the whole idea and provide the unprofessionally looking .bat file.
I thank anyone who has put his mind to this issue, but if there is no build.xml example, I guess you can't help me.
Thanks anyway.
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Update, 30.04.2008:
I have managed to figure out that the problem wasn't with the main class, but with the classpath.
I run the program from Intellij, and everything works perfectly. I use a batch file, and perfect. I try to use an Ant generated jar with the classpath attribute set exactly like the batch file's paths, and nothing.
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I have come to the point that i would pay to see a proper working build.xml and to see the relative and absolute paths of the classpath.
This is actually harder than developing an extremely rich server application.
Edited by: omerk76 on Apr 30, 2008 11:04 AM

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Hi everyone,
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Exception in thread "main" java.lang.NoClassDefFoundError: mycompany/DIR1/MAINCLASSNAME
by removing the class-path line I got the following error:
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Please help,
any idea or suggestions are appreciated.
Thanks,
dobject.

You could try a CLASSPATH along the lines of e:\WINNT\jre\lib\jh.jar;.
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Classpath in manifest file

what is 'classpath' in manifest file used for?
I tried to create classpath, but doesnt have any significant different....
thanks
YAn

This is what the tutorial says about class-path in a manifest file:
Download extensions are JAR files that are referenced by the manifest files of other JAR files. See the trail on the extension mechanism for information about extensions.
     In a typical situation, an applet will be bundled in a JAR file whose manifest references a JAR file (or several JAR files) that will serve as an extension for the purposes of that applet. Extensions
     may reference each other in the same way.
     Download extensions are specified in the Class-Path header field in the manifest file of an applet, application, or another extension. A Class-Path header might look like this, for example:
          Class-Path: servlet.jar infobus.jar acme/beans.jar
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http://java.sun.com/docs/books/tutorial/jar/basics/manifest.html
V.V.

MANIFEST file question pls help

Hi,
i have a JAR file on my ftp server. and i want to only read Manifest file informations in this jar file without downloading file on my pc.
is it possible to do this ?
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Regards,
Musa YILMAZ

thanks,
yes i use zip classes but it always want to cache file to temp directory in windows, i must wait until caching finishes
but my jar file is 5mb so i wait so long,
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but i think it is not possible.
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Musa YILMAZ

Help using manifest file classpath.

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