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Re: rule.ConsequenceException only with JPA
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created by <a href="http://community.jboss.org/people/GaryS">Gary Struthers</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/620458#620458">View the full discussion</a>
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<div class="jive-rendered-content"><p>I made the problem go away but I don't understand why. I have a rule that updates a field in a process variable pojo.</p><p style="margin: 0.0px 0.0px 0.0px 0.0px; color: #009800;"><span style="color: #bc0000;">rule</span><span style="color: #000000;"> </span>"applicationReady"</p><p style="margin: 0.0px 0.0px 0.0px 0.0px; color: #009800;"><span style="color: #000000;">    </span><span style="color: #bc0000;">ruleflow-group</span><span style="color: #000000;"> </span>"assignApplication"</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">    <span style="color: #bc0000;">when</span></p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">        $process: WorkflowProcessInstance();</p><p style="margin: 0.0px 0.0px 0.0px 0.0px; color: #919500;"><span style="color: #333333;">        $vars :PIvars() <span style="color: #bc0000;">from</span> (PIvars)$process.getVariable(<span style="color: #009800;">"vars"</span>);</span></p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">        <span style="color: #bc0000;">eval</span>($vars.getAppId() == 0);</p><p style="margin: 0.0px 0.0px 0.0px 0.0px; color: #919500;"><span style="color: #333333;">    <span style="color: #bc0000;">then</span></span></p><p style="margin: 0.0px 0.0px 0.0px 0.0px; color: #009800;"><span style="color: #000000;">    System.out.println(</span>"!!Begin firing rule applicationReady "<span style="color: #000000;"> + $vars);</span></p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">       $vars.setApplicationReady(<span style="color: #bc0000;">true</span>);</p><p style="margin: 0.0px 0.0px 0.0px 0.0px; color: #919500;">#       $process.setVariable("vars", $vars);</p><p style="margin: 0.0px 0.0px 0.0px 0.0px; color: #009800;"><span style="color: #000000;">    System.out.println(</span>"!!End firing rule applicationReady"<span style="color: #000000;">  + $vars);</span></p><p style="margin: 0.0px 0.0px 0.0px 0.0px; color: #bc0000;">end</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Commenting out $process.setVariable("vars", $vars); works with both JPA and without. My pojo is inserted as a Fact. Salaboy's example </p><p style="margin: 0.0px 0.0px 0.0px 0.0px; color: #009800;"><span style="color: #bc0000;">rule</span><span style="color: #000000;"> </span>"New Ambulance for Heart Attack Emergencies"</p><p style="margin: 0.0px 0.0px 0.0px 0.0px; color: #009800;"><span style="color: #000000;">    </span><span style="color: #bc0000;">ruleflow-group</span><span style="color: #000000;"> </span>"select_vehicle"</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">    <span style="color: #bc0000;">when</span></p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">        $process: WorkflowProcessInstance()</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">        Emergency(type == <span style="color: #009800;">"Heart Attack"</span>) <span style="color: #bc0000;">from</span> $process.getVariable(<span style="color: #009800;">"emergency"</span>)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">    <span style="color: #bc0000;">then</span></p><p style="margin: 0.0px 0.0px 0.0px 0.0px; color: #009800;"><span style="color: #000000;">        System.out.println(</span>"A new Ambuance is being created!"<span style="color: #000000;">);</span></p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">        Ambulance ambulance = <span style="color: #bc0000;">new</span> Ambulance(<span style="color: #009800;">"MyAmbulance"</span>);</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">        ((WorkflowProcessInstance)kcontext.getKnowledgeRuntime().getProcessInstance($process.getId())).setVariable(<span style="color: #009800;">"vehicle"</span>, ambulance);</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">        <span style="color: #bc0000;">insert</span>(ambulance);</p><p style="margin: 0.0px 0.0px 0.0px 0.0px; color: #bc0000;">end</p><p>Creates a new pojo, where mine just sets a field variable and in my case I'm not sure what is the reliable way to do it.</p></div>
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