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

Wed Jul 11 10:24:32 EDT 2007

PackageBuilderConfiguration line 156 swallows exception cause
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                 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: Mark Proctor

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..."

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