<br> Did you updated your MVEL jar? Are you trying to deserialize a binary previously compiled rulebase or are you trying to load source DRLs?<br><br> []s<br> Edson<br><br><div><span class="gmail_quote">2007/8/30, Scott Reed <
<a href="mailto:sreed@spamcop.net">sreed@spamcop.net</a>>:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Edson Tirelli's message received 8/30/2007 4:03 PM:
<br>><br>> Drools 4.0.1 was just released. Check our blog for the release notes:<br>><br>> <a href="http://blog.athico.com/2007/08/drools-401-released.html">http://blog.athico.com/2007/08/drools-401-released.html
</a><br><br>I just downloaded 4.0.1 and rebuilt my app. Seeing the error below - looks like something with mvel<br>jar. Is it my configuration or something in the release?<br><br>Exception in thread "main" java.lang.IncompatibleClassChangeError
: Implementing class<br> at java.lang.ClassLoader.defineClass1(Native Method)<br> at java.lang.ClassLoader.defineClass(Unknown Source)<br> at java.security.SecureClassLoader.defineClass(Unknown Source)
<br> at java.net.URLClassLoader.defineClass(Unknown Source)<br> at java.net.URLClassLoader.access$100(Unknown Source)<br> at java.net.URLClassLoader$1.run(Unknown Source)<br> at java.security.AccessController.doPrivileged
(Native Method)<br> at java.net.URLClassLoader.findClass(Unknown Source)<br> at java.lang.ClassLoader.loadClass(Unknown Source)<br> at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)<br> at
java.lang.ClassLoader.loadClass(Unknown Source)<br> at java.lang.ClassLoader.loadClassInternal(Unknown Source)<br> at org.drools.rule.builder.dialect.mvel.MVELDialect.<init>(MVELDialect.java:84)<br> at
<br>org.drools.rule.builder.dialect.mvel.MVELDialectConfiguration.getDialect(MVELDialectConfiguration.java:28)<br> at org.drools.compiler.DialectRegistry.initAll(DialectRegistry.java:49)<br> at org.drools.compiler.PackageBuilder
.<init>(PackageBuilder.java:137)<br> at org.drools.compiler.PackageBuilder.<init>(PackageBuilder.java:86)<br> at org.fp.findata.Rules.generateRuleBase(Rules.java:143)<br> at org.fp.findata.Rules.addPackage
(Rules.java:185)<br> at org.fp.findata.Rules.createRules(Rules.java:51)<br> at org.fp.scenario.InitDB.initBasicRules(InitDB.java:598)<br> at org.fp.scenario.InitDB.main(InitDB.java:74)<br>[db4o 6.1.602
2007-08-30 21:20:53]<br>_______________________________________________<br>rules-users mailing list<br><a href="mailto:rules-users@lists.jboss.org">rules-users@lists.jboss.org</a><br><a href="https://lists.jboss.org/mailman/listinfo/rules-users">
https://lists.jboss.org/mailman/listinfo/rules-users</a><br></blockquote></div><br><br clear="all"><br>-- <br> Edson Tirelli<br> Software Engineer - JBoss Rules Core Developer<br> Office: +55 11 3529-6000<br> Mobile: +55 11 9287-5646
<br> JBoss, a division of Red Hat @ <a href="http://www.jboss.com">www.jboss.com</a>