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Re: a Java classpath question

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From	Martin Gregorie <martin@address-in-sig.invalid>
Newsgroups	comp.lang.java.programmer
Subject	Re: a Java classpath question
Date	Mon, 17 Mar 2014 22:55:44 +0000 (UTC)
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On Mon, 17 Mar 2014 14:47:54 -0700, www wrote:

> Hi:
> 
> I have created my executable JAR file(abc.jar), within it a 3rd party
> JAR file(def.jar) is included. So my JAR file abc.jar includes def.jar
> from other people.
> 
> My code uses the code in def.jar like this:
> 
> find("nonsrc/dog.png");
> 
> On the command line, say in the directory /home/test/, there are two
> items:
> abc.jar nonsrc/   //containing dog.png file
> 
> So, if I am at /home/test directory, this command works well:
> java -jar abc.jar  // nonsrc/dog.png file was found by the Java
> 
> But I wish I am not restricted to be running only inside /home/test. So
> if I am at /home/ directory, I tried this command, but it failed:
> 
> java -classpath /home/test/ -jar ./test/abc.jar
> 
> The error message says that it cannot find nonsrc/dog.png file.
> 
If you use a -jar option to name the jar file containing your main class, 
you should only need a -classpath if the jarfile content depends on 
another jarfile in addition to the standard Java runtime class library.

IOW, without the -classpath dependency I'd expect a command more like 
this to work: 

   java -jar /path/to/abc.jar classname

where 'classname' is the class which contains the main() method used to 
start the program. You must name this class on the command line unless 
the jarfile contains a manifest that names it. 

What is in your manifest file?



-- 
martin@   | Martin Gregorie
gregorie. | Essex, UK
org       |

Thread

a Java classpath question www <xsli2@yahoo.com> - 2014-03-17 14:47 -0700
  Re: a Java classpath question Knute Johnson <eternal@knutejohnson.com> - 2014-03-17 15:35 -0700
    Re: a Java classpath question Joerg Meier <joergmmeier@arcor.de> - 2014-03-18 00:50 +0100
      Re: a Java classpath question Arne Vajhøj <arne@vajhoej.dk> - 2014-03-17 22:39 -0400
        Re: a Java classpath question Joerg Meier <joergmmeier@arcor.de> - 2014-03-18 11:15 +0100
  Re: a Java classpath question Martin Gregorie <martin@address-in-sig.invalid> - 2014-03-17 22:55 +0000
    Re: a Java classpath question Joerg Meier <joergmmeier@arcor.de> - 2014-03-18 00:52 +0100
      Re: a Java classpath question Martin Gregorie <martin@address-in-sig.invalid> - 2014-03-18 23:29 +0000

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