[rules-users] Re: JUnit and classpath

Mark Proctor mproctor at codehaus.org
Wed Jan 2 09:08:28 EST 2008


It gets  a null pointer and says it can't use ASM in MVEL, thus uses 
reflection mode. That's fine as reflection is the mode we put MVEL in 
anyway.

Mark

J Michael Dean wrote:
> Thanks.  When I do that, there is no reference to org.objectweb.asm, 
> nor is there even any reference to any asm library. The information is 
> about 800 lines long and it clearly shows classes loading from my 
> "minimal core Drools" plugin;  when I add the entire Drools 
> distribution to the classpath I get a similar dump with loading from 
> the complete Drools distribution.  I am attaching a text file with 
> this information but I am guessing it will get stripped away by the 
> server.  I very much appreciate your help with this.
>
> I
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>
>
>
> On Jan 2, 2008, at 5:04 AM, rules-users-request at lists.jboss.org wrote:
>
>> Message: 8 Date: Wed, 2 Jan 2008 10:00:46 -0200 From: "Edson Tirelli" 
>> <tirelli at post.com> Subject: Re: [rules-users] Re: rules-users Digest, 
>> Vol 13, Issue 48 To: "Rules Users List" <rules-users at lists.jboss.org> 
>> Message-ID: 
>>     <e6dd5ba30801020400h2f0a16eyec3ba476c1b36f66 at mail.gmail.com> 
>> Content-Type: text/plain; charset="iso-8859-1"   Mike,   I don't 
>> remember right now the exact flag to dump classpath, but adding 
>> "-verbose:class" as a VM parameter on your launch configuration shall 
>> do the trick. Just look for "org.objectweb.asm" package's Classes 
>> being loaded and you will know where they are being loaded from. You 
>> will easily be able to see if there is any other asm library clashing 
>> with the mvel required ones.   []s   Edson 2007/12/31, J Michael Dean 
>> <mdean77 at comcast.net>:
>>> Sorry - am using Eclipse in OSX and have no clue how to ask it to 
>>> dump its classpath.I can print out the .classpath file but this is 
>>> clearly not really relevant.  Mike,  This looks like a classpath 
>>> problem indeed. Did you tried asking the JVM to dump its classpath 
>>> so that you can know for sure what jars are included and if any of 
>>> them embeds a non-compatible ASM version ?  []s  Edson 
>>> _______________________________________________ rules-users mailing 
>>> list rules-users at lists.jboss.org 
>>> https://lists.jboss.org/mailman/listinfo/rules-users 
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