[jboss-jira] [JBoss JIRA] Created: (JBRULES-2099) Example source.

gitae yang (JIRA) jira-events at lists.jboss.org
Wed May 27 05:40:58 EDT 2009


Example source.
---------------

                 Key: JBRULES-2099
                 URL: https://jira.jboss.org/jira/browse/JBRULES-2099
             Project: JBoss Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: drools-compiler
    Affects Versions: 5.0.1.FINAL
         Environment: Windows XP,eclipse
            Reporter: gitae yang
            Assignee: Mark Proctor
             Fix For: 5.0.1.FINAL


Hi! We are studying Drools 5.0 in order to use..
But a curious problem has happened, while executeing an example in documentation.

It is 3.1.3. Defining Processes Using the Process API in drools-5.0-docs\drools-flow\html_single\index.html.
Actually, 3.1.3.1. Example 1 is working normally, but 3.1.3.2. Example 2 and 3.1.3.3. Example 3 occur error.
I 'll tell you what we grasp the reason for error, so far.

When it's working normal, <ActionNode> exists.
The other way, when it is not working normal, <ActionNode> doesn't exist.
For example, in case of 3.1.3.2. Example 2

RuleFlowProcessFactory factory =
    RuleFlowProcessFactory.createProcess("org.drools.HelloWorldJoinSplit");
factory
    // Header
    .name("HelloWorldJoinSplit")
    .version("1.0")
    .packageName("org.drools")
    // Nodes
    .startNode(1).name("Start").done()
    .splitNode(2).name("Split").type(Split.TYPE_AND).done()
    .actionNode(3).name("Action 1")
        .action("mvel", "System.out.println(\"Inside Action 1\")").done()                <       -here, NullPointerException occurs.
    .actionNode(4).name("Action 2")
        .action("mvel", "System.out.println(\"Inside Action 2\")").done()
    .joinNode(5).type(Join.TYPE_AND).done()
    .endNode(6).name("End").done()
    // Connections
    .connection(1, 2)
    .connection(2, 3)
    .connection(2, 4)
    .connection(3, 5)
    .connection(4, 5)
    .connection(5, 6);
RuleFlowProcess process = factory.validate().getProcess();


Please, let me know entire source I can execute this example well.

Thank you for your consideration.

I am waiting for you answer.


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