[jboss-jira] [JBoss JIRA] (JBRULES-3411) Incorrect rule activation in flow

[James Nord (JIRA)]

James Nord created JBRULES-3411:
-----------------------------------

             Summary: Incorrect rule activation in flow
                 Key: JBRULES-3411
                 URL: https://issues.jboss.org/browse/JBRULES-3411
             Project: Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: drools-core
    Affects Versions: 5.3.1.Final
         Environment: Apache Maven 3.0.3 (r1075438; 2011-02-28 17:31:09+0000)
Maven home: c:\Java\maven-3.0.3\bin\..
Java version: 1.6.0_24, vendor: Sun Microsystems Inc.
Java home: c:\java\jdk1.6.0_24\jre
Default locale: en_GB, platform encoding: Cp1252
OS name: "windows 7", version: "6.1", arch: "x86", family: "windows"
            Reporter: James Nord
            Assignee: Mark Proctor
         Attachments: Drools_flow bug.zip

In the attached project the flow should always be terminated by the raising of a signal.

That is the following should be printed to stdout when run (jtn.test.flow.ProcessTest)

{noformat}
  pre sub process
  Raising Failure Signal
  Signal received!
  main exiting
{noformat}

However if you change the signal_abort_test_group1.drl file to not activate the "say hello" rule by either commenting it out or changing the eval(true) to eval false then the signal is not raised - as can be seen by the stdout

{noformat}
  pre sub process
  post sub process
  pre human task
  main exiting
{noformat}

(and the showing of the HumanTaskUI)

As the "say hello" rule does not change any state of the working memory it should be completely irrelavent if it is activated or not as to the path the flow takes.

(a copy of the rule file is shown below but is included in the sample project)

{code:title=signal_abort_test_group1.drl}
package org.jbpm.examples.request

import org.drools.runtime.process.WorkflowProcessInstance



// if the whole rule is commented out the "Cancellation of request" is never run.
rule "say hello"
ruleflow-group "abort"
	when
		// if this is set to false then the "Cancellation of request" is never run.
		eval(false)
	then
		System.out.println("I'm alive");
end


rule "Cancellation of request"
ruleflow-group "abort"
	when
		p: WorkflowProcessInstance()
	then
		System.out.println("Raising Failure Signal");
		kcontext.getKnowledgeRuntime().signalEvent("Failure", null, p.getId());
end
{code}

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