Hi Christian, I also ran into this problem. The mvel library on repo1.maven.org <http://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(a)gmx.at <mailto: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 _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org <mailto:rules-users@lists.jboss.org> https://lists.jboss.org/mailman/listinfo/rules-users -- Steven Williams Supervising Consultant Object Consulting Office: 8615 4500 Mob: 0439 898 668 Fax: 8615 4501 steven.williams(a)objectconsulting.com.au <mailto:steven.williams@objectconsulting.com.au> www.objectconsulting.com.au <http://www.objectconsulting.com.au> consulting | development | training | support our experience makes the difference ------------------------------------------------------------------------ _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users