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 



On Jan 2, 2008, at 5:04 AM, rules-users-request@lists.jboss.org wrote:




Message: 8

Date: Wed, 2 Jan 2008 10:00:46 -0200

From: "Edson Tirelli" <tirelli@post.com>

Subject: Re: [rules-users] Re: rules-users Digest, Vol 13, Issue 48

To: "Rules Users List" <rules-users@lists.jboss.org>

Message-ID:

    <e6dd5ba30801020400h2f0a16eyec3ba476c1b36f66@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@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





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