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<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Edson, <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>First of all, thanks for your quick reply!<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I’ve submitted a new issue on Jira. Here’s the link:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><a href="https://jira.jboss.org/jira/browse/JBRULES-2457">https://jira.jboss.org/jira/browse/JBRULES-2457</a><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>If anything else is needed please, let me know.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Thanks, once again </span><span lang=EN-US style='font-size:
11.0pt;font-family:Wingdings;color:#1F497D'>J</span><span lang=EN-US
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Best regards,<o:p></o:p></span></p>
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<p class=MsoNormal><span style='color:#1F497D'><img border=0 width=389
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<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";
color:#1F497D'>Vítor Mendonça Moreira<br>
</span><b><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";
color:#8A9A37'>Analista / Programador<br>
Direcção de Investigação e Desenvolvimento</span></b><span style='font-size:
7.5pt;font-family:"Verdana","sans-serif";color:#1F497D'><br>
<br>
Rua Dr. Francisco Sá Carneiro, nº. 4 r/c esq.<br>
2500 - 206 - Caldas da Rainha<br>
Tel: (+351) 262 832 196<br>
Fax: (+351) 262 186 455<br>
Web: <a href="http://www.makewise.pt">www.makewise.pt</a><br>
Uma empresa: <a href="http://www.sousapedro.com">Grupo Sousa Pedro</a> <o:p></o:p></span></p>
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<p class=MsoNormal><span style='color:#1F497D'><img border=0 width=119
height=60 id="Picture_x0020_2" src="cid:image002.jpg@01CACA9D.C29E4930"><o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> rules-users-bounces@lists.jboss.org
[mailto:rules-users-bounces@lists.jboss.org] <b>On Behalf Of </b>Edson Tirelli<br>
<b>Sent:</b> segunda-feira, 22 de Março de 2010 18:06<br>
<b>To:</b> Rules Users List<br>
<b>Subject:</b> Re: [rules-users] Junit, PseudoClock and NPE<o:p></o:p></span></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><br>
Hmmm, strange... would you be able to share your junit
test? If so, could you please open a JIRA and attach the test? <br>
<br>
Thanks,<br>
Edson<o:p></o:p></p>
<div>
<p class=MsoNormal>2010/3/22 Makewise - Vitor Rui Mendonça <<a
href="mailto:Vitor.Mendonca@brisa.pt">Vitor.Mendonca@brisa.pt</a>><o:p></o:p></p>
<div>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US>Hi folks!</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US>First time in this mailing-list, with very little experience in
Drools (Fusion, regarding CEP).</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US>I hope that someone could help me out </span><span lang=EN-US
style='font-family:Wingdings'>J</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US>I’ve being investigating about this issue and I’m not getting any
answer.</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US> </span><o:p></o:p></p>
<div style='border:none;border-bottom:solid windowtext 1.0pt;padding:0cm 0cm 1.0pt 0cm;
border-color:-moz-use-text-color -moz-use-text-color windowtext'>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US>Here’s the problem:</span><o:p></o:p></p>
</div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US>I’ve got a DRL file with a simple rule:</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:#960000'>rule</span></b><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:black'>
“....”</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:black'>
</span><b><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";
color:#960000'>when</span></b><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:black'>
$offline : Event( code == </span><span lang=EN-US style='font-size:9.0pt;
font-family:"Lucida Console";color:green'>"101"</span><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:black'>,
$offlineLane : lane ) </span><b><span lang=EN-US style='font-size:9.0pt;
font-family:"Lucida Console";color:#960000'>from</span></b><span lang=EN-US
style='font-size:9.0pt;font-family:"Lucida Console";color:black'> entry-point </span><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:green'>"incoming"</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:black'>
</span><b><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";
color:#960000'>not</span></b><span lang=EN-US style='font-size:9.0pt;
font-family:"Lucida Console";color:black'> ( $online : Event(code == </span><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:green'>"102"</span><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:black'>,
lane == $offlineLane, </span><b><span lang=EN-US style='font-size:9.0pt;
font-family:"Lucida Console";color:#960000'>this</span></b><span lang=EN-US
style='font-size:9.0pt;font-family:"Lucida Console";color:black'> after [0s,3m]
$offline ) </span><b><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";
color:#960000'>from</span></b><span lang=EN-US style='font-size:9.0pt;
font-family:"Lucida Console";color:black'> entry-point </span><span lang=EN-US
style='font-size:9.0pt;font-family:"Lucida Console";color:green'>"incoming"</span><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:black'> )</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:black'>
</span><b><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";
color:#960000'>then</span></b><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:black'>
// some code here </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:#960000'>end</span></b><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US>What I want is: when there’s an offline for more than 3 minutes *<b>without</b>*
any online event (meanwhile), that execute the rule.</span><o:p></o:p></p>
<div style='border:none;border-bottom:solid windowtext 1.0pt;padding:0cm 0cm 1.0pt 0cm;
border-color:-moz-use-text-color -moz-use-text-color windowtext'>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US> </span><o:p></o:p></p>
</div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US>I’ve got JUnits, with Drools configured with STREAM mode and PSEUDO
clock.</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US>All is good in JUnit world except in this testcase:</span><o:p></o:p></p>
<p><span lang=EN-US style='font-family:Symbol'>·</span><span lang=EN-US
style='font-size:7.0pt'> </span><span
lang=EN-US>Insert an offline event (</span><span lang=EN-US style='font-size:
9.0pt;font-family:"Lucida Console";color:#0000C0'>workingMemoryEntryPoint</span><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:black'>.insert(
offlineEvent );</span><span lang=EN-US>)</span><o:p></o:p></p>
<p><span lang=EN-US style='font-family:Symbol'>·</span><span lang=EN-US
style='font-size:7.0pt'> </span><span
lang=EN-US>Clock advances 2m50s (</span><span lang=EN-US style='font-size:9.0pt;
font-family:"Lucida Console";color:#0000C0'>clock</span><span lang=EN-US
style='font-size:9.0pt;font-family:"Lucida Console";color:black'>.advanceTime(2,TimeUnit.</span><i><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:#0000C0'>MINUTES</span></i><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:black'> );</span><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:#0000C0'>clock</span><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:black'>.advanceTime(50,
TimeUnit.</span><i><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";
color:#0000C0'>SECONDS</span></i><span lang=EN-US style='font-size:9.0pt;
font-family:"Lucida Console";color:black'> );</span><span lang=EN-US>)</span><o:p></o:p></p>
<p><span lang=EN-US style='font-family:Symbol'>·</span><span lang=EN-US
style='font-size:7.0pt'> </span><span
lang=EN-US>Insert an online event (</span><span lang=EN-US style='font-size:
9.0pt;font-family:"Lucida Console";color:#0000C0'>workingMemoryEntryPoint</span><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:black'>.insert(
onlineEvent );</span><span lang=EN-US>)</span><o:p></o:p></p>
<p><span lang=EN-US style='font-family:Symbol'>·</span><span lang=EN-US
style='font-size:7.0pt'> </span><span
lang=EN-US>Clock advances 0m15s (</span><span lang=EN-US style='font-size:9.0pt;
font-family:"Lucida Console";color:#0000C0'>clock</span><span lang=EN-US
style='font-size:9.0pt;font-family:"Lucida Console";color:black'>.advanceTime(15,TimeUnit.</span><i><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:#0000C0'>SECONDS</span></i><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:black'> );</span><span
lang=EN-US>)</span><o:p></o:p></p>
<p><span lang=EN-US style='font-family:Symbol'>·</span><span lang=EN-US
style='font-size:7.0pt'> </span><span
lang=EN-US>Assertion error: the rule runs when it shouldn’t (online event
cancels offline event).</span><o:p></o:p></p>
<div style='border:none;border-bottom:solid windowtext 1.0pt;padding:0cm 0cm 1.0pt 0cm;
border-color:-moz-use-text-color -moz-use-text-color windowtext'>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US> </span><o:p></o:p></p>
</div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US>I’ve got no clue about this but I have some more interesting info:</span><o:p></o:p></p>
<p><span lang=EN-US style='font-size:9.0pt;font-family:Symbol'>·</span><span
lang=EN-US style='font-size:7.0pt'>
</span><span lang=EN-US>When clock advances 0m15s, there’s an NPE on a
LinkedList:<br>
</span><u><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";
color:navy'>java.lang.NullPointerException</span></u><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:red'>
at org.drools.util.LinkedList.remove(</span><u><span lang=EN-US
style='font-size:9.0pt;font-family:"Lucida Console";color:navy'>LinkedList.java:113</span></u><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:red'>)</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:red'>
at org.drools.common.Scheduler$DuractionJob.execute(</span><u><span lang=EN-US
style='font-size:9.0pt;font-family:"Lucida Console";color:navy'>Scheduler.java:71</span></u><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:red'>)</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:red'>
at org.drools.time.impl.PseudoClockScheduler$ScheduledJob.call(</span><u><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:navy'>PseudoClockScheduler.java:219</span></u><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:red'>)</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:red'>
at org.drools.time.impl.PseudoClockScheduler.runCallBacks(</span><u><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:navy'>PseudoClockScheduler.java:168</span></u><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:red'>)</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:18.0pt'><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";
color:red'> at
org.drools.time.impl.PseudoClockScheduler.advanceTime(</span><u><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:navy'>PseudoClockScheduler.java:130</span></u><span
lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:red'>)</span><o:p></o:p></p>
<p><span lang=EN-US style='font-family:Symbol'>·</span><span lang=EN-US
style='font-size:7.0pt'> </span><span
lang=EN-US>I haven’t any code/rule that retracts events (I shouldn’t have it
for this case, right?)</span><o:p></o:p></p>
<p><span lang=EN-US style='font-family:Symbol'>·</span><span lang=EN-US
style='font-size:7.0pt'> </span><span
lang=EN-US>I’ve tried Drools 5.0.1 and 5.1.0.M1, with the same results</span><o:p></o:p></p>
<p><span lang=EN-US style='font-family:Symbol'>·</span><span lang=EN-US
style='font-size:7.0pt'> </span><span
lang=EN-US>The issue causing NPE, I’ve found an old issue regarding Drools
3.0.4 and the bug was corrected in 3.0.5 (<a
href="https://jira.jboss.org/jira/browse/JBRULES-455" target="_blank">https://jira.jboss.org/jira/browse/JBRULES-455</a>)</span><o:p></o:p></p>
<p><span lang=EN-US style='font-family:Symbol'>·</span><span lang=EN-US
style='font-size:7.0pt'> </span><span
lang=EN-US>I think that someone wrote about this error (in Drools 5) but I
don’t have the link to it.</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US>Thanks In Advance!</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US>Best regards,</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US> </span><o:p></o:p></p>
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<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:7.5pt'>Vítor Mendonça Moreira<br>
<b><span style='color:#8A9A37'>Analista / Programador<br>
Direcção de Investigação e Desenvolvimento</span></b><br>
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Rua Dr. Francisco Sá Carneiro, nº. 4 r/c esq.<br>
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<br>
-- <br>
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JBoss Drools Core Development<br>
JBoss by Red Hat @ <a href="http://www.jboss.com">www.jboss.com</a><o:p></o:p></p>
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