[rules-users] Drools 4.0.1 Released

[Edson Tirelli]

    Did you updated your MVEL jar? Are you trying to deserialize a binary
previously compiled rulebase or are you trying to load source DRLs?

    []s
    Edson

2007/8/30, Scott Reed <sreed at spamcop.net>:
>
> Edson Tirelli's message received 8/30/2007 4:03 PM:
> >
> >     Drools 4.0.1 was just released. Check our blog for the release
> notes:
> >
> > http://blog.athico.com/2007/08/drools-401-released.html
>
> I just downloaded 4.0.1 and rebuilt my app. Seeing the error below - looks
> like something with mvel
> jar. Is it my configuration or something in the release?
>
> Exception in thread "main" java.lang.IncompatibleClassChangeError:
> Implementing class
>         at java.lang.ClassLoader.defineClass1(Native Method)
>         at java.lang.ClassLoader.defineClass(Unknown Source)
>         at java.security.SecureClassLoader.defineClass(Unknown Source)
>         at java.net.URLClassLoader.defineClass(Unknown Source)
>         at java.net.URLClassLoader.access$100(Unknown Source)
>         at java.net.URLClassLoader$1.run(Unknown Source)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at java.net.URLClassLoader.findClass(Unknown Source)
>         at java.lang.ClassLoader.loadClass(Unknown Source)
>         at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
>         at java.lang.ClassLoader.loadClass(Unknown Source)
>         at java.lang.ClassLoader.loadClassInternal(Unknown Source)
>         at org.drools.rule.builder.dialect.mvel.MVELDialect.<init>(
> MVELDialect.java:84)
>         at
> org.drools.rule.builder.dialect.mvel.MVELDialectConfiguration.getDialect(
> MVELDialectConfiguration.java:28)
>         at org.drools.compiler.DialectRegistry.initAll(
> DialectRegistry.java:49)
>         at org.drools.compiler.PackageBuilder.<init>(PackageBuilder.java
> :137)
>         at org.drools.compiler.PackageBuilder.<init>(PackageBuilder.java
> :86)
>         at org.fp.findata.Rules.generateRuleBase(Rules.java:143)
>         at org.fp.findata.Rules.addPackage(Rules.java:185)
>         at org.fp.findata.Rules.createRules(Rules.java:51)
>         at org.fp.scenario.InitDB.initBasicRules(InitDB.java:598)
>         at org.fp.scenario.InitDB.main(InitDB.java:74)
> [db4o 6.1.602   2007-08-30 21:20:53]
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-- 
  Edson Tirelli
  Software Engineer - JBoss Rules Core Developer
  Office: +55 11 3529-6000
  Mobile: +55 11 9287-5646
  JBoss, a division of Red Hat @ www.jboss.com
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