Hi Christian,

I also ran into this problem. The mvel library on repo1.maven.org is wrong. Try using the jboss or codehaus repos.

cheers
Steve

On Wed, Mar 26, 2008 at 10:28 PM, Christian Gorbach <gorbach@gmx.at> wrote:

hi ,

I am using maven, I tried to upgrade to the latest release be just
changing the dools pom version number to 4.0.5
After the upgrade execution fails with the following stack trace:

...
java.lang.NoClassDefFoundError: org/mvel/AbstractParser
   at
org.drools.rule.builder.dialect.mvel.MVELDialect.setLanguageLevel(MVELDialect.java:128)
   at
org.drools.rule.builder.dialect.java.AbstractJavaBuilder.<clinit>(AbstractJavaBuilder.java:26)
   at
org.drools.rule.builder.dialect.java.JavaDialect.<init>(JavaDialect.java:78)
   at
org.drools.rule.builder.dialect.java.JavaDialectConfiguration.getDialect(JavaDialectConfiguration.java:62)
   at
org.drools.compiler.PackageBuilderConfiguration.buildDialectRegistry(PackageBuilderConfiguration.java:175)
   at org.drools.compiler.PackageBuilder.<init>(PackageBuilder.java:142)
   at org.drools.compiler.PackageBuilder.<init>(PackageBuilder.java:86)
......

has anyone successfully switched to the latest version using the maven2
poms?
thanks in advance,
c)hristian
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