Found - it was the other rule which just put the same string to stdout. On 31.7.2014 20:33, Ondrej Zizka wrote:

Not sure why it would be executed more than once per-execution of Windup. We should look into this when we build out more of the Groovy support. Not sure what information you want to get out of the API. You'd probably have to step-debug it. ~Lincoln ----- Original Message ----- From: "Ondrej Zizka" <ozizka(a)redhat.com&gt; To: "Windup-dev List" <windup-dev(a)lists.jboss.org&gt;, "Lincoln Baxter" <lbaxter(a)redhat.com&gt;, "Jess Sightler" <jsightle(a)redhat.com&gt; Sent: Thursday, July 31, 2014 1:59:44 PM Subject: .when( new True() ) Hi, I found this rule being invoked many many times. Since there's just .when( new True() ) and not some iteration, I wonder what are the elements that it executes over so many times. And how do I get this information from the current API? Thanks, Ondra ruleSet("ExampleGroovyRule").setPhase(RulePhase.MIGRATION_RULES) .addRule() .when( new True() ) .perform( new GraphOperation () { public void perform(GraphRewrite event, EvaluationContext context) { //System.out.println("Performing rewrite operation") Logging.of(this.getClass()).info("Performing rewrite operation in ExampleGroovyRule"); } }