Groups > comp.lang.java.programmer > #8627

Re: How to print out the currently used JAR file path to verify it is using right JAR?

From	Joshua Cranmer <Pidgeot18@verizon.invalid>
Newsgroups	comp.lang.java.programmer
Subject	Re: How to print out the currently used JAR file path to verify it is using right JAR?
Date	2011-10-07 10:18 -0500
Organization	A noiseless patient Spider
Message-ID	<j6n57d$s6$1@dont-email.me> (permalink)
References	<4d7daeb4-7da7-47c0-a4cf-d3c5d1be2ef0@gd10g2000vbb.googlegroups.com> <13afa738-1198-4569-84be-9fc6627c52d6@t16g2000yqm.googlegroups.com>

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On 10/7/2011 9:25 AM, www wrote:
> Just to add more details about my question:
>
> In my code, I am using class Abc, which is from 3rd party JAR
> file(MyJAR.jar). I hope to print out Abc's class path to see it is
> from a/b/MyJAR.old.jar or from c/d/MyJAR.new.jar
>
> I understand the correct way is to check the classpath and which JAR
> is front is the one to be used. However, we run into some strange
> things here and that method didn't solve the problem.

One way, which I don't know if it would work, would be:
System.out.println(Abc.class.getClassLoader().findResource(
   "com/foo/package/Abc.class").toString());

-- 
Beware of bugs in the above code; I have only proved it correct, not 
tried it. -- Donald E. Knuth

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