[jboss-jira] [JBoss JIRA] Assigned: (JBRULES-997) PackageBuilderConfiguration line 156 swallows exception cause

PackageBuilderConfiguration line 156 swallows exception cause ------------------------------------------------------------- Key: JBRULES-997 URL: http://jira.jboss.com/jira/browse/JBRULES-997 Project: JBoss Rules Issue Type: Bug Security Level: Public(Everyone can see) Affects Versions: 4.0.0.MR3 Reporter: Alexandre Gattiker Assigned To: Edson Tirelli PackageBuilderConfiguration line 156: is: throw new RuntimeDroolsException( "Unable to load dialect '" + dialectClass + ":" + dialectName + "'" ); should be: throw new RuntimeDroolsException( "Unable to load dialect '" + dialectClass + ":" + dialectName + "'" , e); Symptom: When a required library is missing (such as mvel), an Exception "java.lang.RuntimeException: org.drools.RuntimeDroolsException: Unable to load dialect 'org.drools.rule.builder.dialect.java.JavaDialect:java'" is thrown. With the fix, it will say "Caused by: java.lang.NoClassDefFoundError: org/mvel/integration/VariableResolverFactory..."