<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div>That was recreated on 5.6.0.CR1 ? The 5.6 ship has sailed now :( and currently there are no plans for 5.7 any time soon. We should focus on making sure this is fixed in 6.x.</div><div><br></div><div>Mark</div><div><div>On 12 Jan 2014, at 19:21, nxv <<a href="mailto:nxvanderlinden@gmail.com">nxvanderlinden@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">Hello,<br><br>I'm able to reproduce this issue with a KB containing only 1 rule.<br><br>rule "Qualification##ToControl"<br><span class="Apple-tab-span" style="white-space: pre;"> </span>salience 50<br> when<br><span class="Apple-tab-span" style="white-space: pre;"> </span><span class="Apple-tab-span" style="white-space: pre;"> </span>$p: AccessRegisterSnapshot(<br><span class="Apple-tab-span" style="white-space: pre;"> </span><span class="Apple-tab-span" style="white-space: pre;"> </span><span class="Apple-tab-span" style="white-space: pre;"> </span><span class="Apple-tab-span" style="white-space: pre;"> </span>$effDt: effectivedate )<br><span class="Apple-tab-span" style="white-space: pre;"> </span><span class="Apple-tab-span" style="white-space: pre;"> </span>$dpo: DeliveryPoint()<br><span class="Apple-tab-span" style="white-space: pre;"> </span><span class="Apple-tab-span" style="white-space: pre;"> </span>$gCfg: GeneralConfig(<br><span class="Apple-tab-span" style="white-space: pre;"> </span><span class="Apple-tab-span" style="white-space: pre;"> </span><span class="Apple-tab-span" style="white-space: pre;"> </span><span class="Apple-tab-span" style="white-space: pre;"> </span>( todate == null ||<span class="Apple-converted-space"> </span><br><span class="Apple-tab-span" style="white-space: pre;"> </span><span class="Apple-tab-span" style="white-space: pre;"> </span><span class="Apple-tab-span" style="white-space: pre;"> </span><span class="Apple-tab-span" style="white-space: pre;"> </span><span class="Apple-converted-space"> </span> ( todate after[ 0d ] $effDt &&<br><span class="Apple-tab-span" style="white-space: pre;"> </span><span class="Apple-tab-span" style="white-space: pre;"> </span><span class="Apple-tab-span" style="white-space: pre;"> </span><span class="Apple-tab-span" style="white-space: pre;"> </span><span class="Apple-converted-space"> </span> todate after[ 1ms ] fromdate ) ) )<br><span class="Apple-tab-span" style="white-space: pre;"> </span><span class="Apple-tab-span" style="white-space: pre;"> </span><span class="Apple-tab-span" style="white-space: pre;"> </span><span class="Apple-tab-span" style="white-space: pre;"> </span>from $dpo.generalConfigs<br> then<br> <span class="Apple-tab-span" style="white-space: pre;"> </span><br>end<br><br>This rule worked under drools 5.5.0.Final. <br><br>Caused by: java.lang.NullPointerException at<br>org.drools.base.evaluators.AfterEvaluatorDefinition$AfterEvaluator.evaluate(AfterEvaluatorDefinition.java:347)<br><span class="Apple-tab-span" style="white-space: pre;"> </span>at org.drools.base.EvaluatorWrapper.evaluate(EvaluatorWrapper.java:99)<br><br><br><br><br>Davide Sottara wrote<br><blockquote type="cite">I tried to reproduce the problem, with no success.<br>Could you please create a self-contained unit test?<br>If confirmed, I'll fix the problem as soon as possible<br>Thanks<br>Davide<br><br>On 11/14/2013 04:48 AM, abr wrote:<br><blockquote type="cite">Hi everyone,<br><br>I tried to switch from 5.5.0.Final to 5.6.0.CR1 and got a null pointer<br>exception in the evaluation of the after evaluator.<br>(Exact method is:<br>/org.drools.base.evaluators.AfterEvaluatorDefinition.AfterEvaluator.evaluate(InternalWorkingMemory,<br>InternalReadAccessor, InternalFactHandle, InternalReadAccessor,<br>InternalFactHandle)/ )<br><br>When debugging, the exception occurs at the very first line of the<br>method,<br>in:<br>/ if ( extractor1.isNullValue( workingMemory, handle1.getObject() ) ||<span class="Apple-converted-space"> </span><br> extractor2.isNullValue( workingMemory, handle2.getObject() )<br>) {<br> return false;<br> }<br>/<br>The cause of the exception is that handle1 is null.<br><br>The rule where the exception occurs looks like:<br>/ MyFact(<br> fromdate before[ 0d ] $min,<br> ( todate == null || todate after[ 0d ] $max ) )<br>/<br><br>When the exception occurs, /MyFact.fromdate/ is not null, /$min/ is not<br>null, /MyFact.todate/ is null, /$max/ is not null.<br>In AfterEvaluator.evaluate : /extractor1/ refers to /MyFact.todate/,<br>/extractor2/ refers to /$max/, /handle1/ is null, /handle2/ refers to the<br>fact including the attribute to which /$max/ variable is bound to.<br><br>Of course, this worked fine in 5.5.0.Final.<br>I couldn't test this out in Drools 6.0.0.CR5 because I have dependencies<br>to<br>drools-spring JAR that does not exist anymore in 6.0.0.CR5.<br><br>Is it simple to fix this problem?<br><br>Thanks in advance.<br><br>Best,<br>Alexis<br><br><br><br>--<br>View this message in context:<br><a href="http://drools.46999.n3.nabble.com/5-6-0-CR1-gives-a-NullPointerException-in-after-evaluator-tp4026780.html">http://drools.46999.n3.nabble.com/5-6-0-CR1-gives-a-NullPointerException-in-after-evaluator-tp4026780.html</a><br>Sent from the Drools: User forum mailing list archive at Nabble.com.<br>_______________________________________________<br>rules-users mailing list<br><br></blockquote></blockquote><br><blockquote type="cite">rules-users@.jboss<br></blockquote><br><blockquote type="cite"><blockquote type="cite"><a href="https://lists.jboss.org/mailman/listinfo/rules-users">https://lists.jboss.org/mailman/listinfo/rules-users</a><br><br></blockquote><br>_______________________________________________<br>rules-users mailing list<br></blockquote><br><blockquote type="cite">rules-users@.jboss<br></blockquote><br><blockquote type="cite"><a href="https://lists.jboss.org/mailman/listinfo/rules-users">https://lists.jboss.org/mailman/listinfo/rules-users</a><br></blockquote><br><br><br><br><br>--<br>View this message in context:<span class="Apple-converted-space"> </span><a href="http://drools.46999.n3.nabble.com/5-6-0-CR1-gives-a-NullPointerException-in-after-evaluator-tp4026780p4027661.html">http://drools.46999.n3.nabble.com/5-6-0-CR1-gives-a-NullPointerException-in-after-evaluator-tp4026780p4027661.html</a><br>Sent from the Drools: User forum mailing list archive at<span class="Apple-converted-space"> </span><a href="http://nabble.com/">Nabble.com</a>.<br>_______________________________________________<br>rules-users mailing list<br><a href="mailto:rules-users@lists.jboss.org">rules-users@lists.jboss.org</a><br><a href="https://lists.jboss.org/mailman/listinfo/rules-users">https://lists.jboss.org/mailman/listinfo/rules-users</a></div></blockquote></div><br></body></html>