[jboss-jira] [JBoss JIRA] Updated: (JBRULES-1588) collect fails when using treeset

collect fails when using treeset -------------------------------- Key: JBRULES-1588 URL: http://jira.jboss.com/jira/browse/JBRULES-1588 Project: JBoss Drools Issue Type: Bug Security Level: Public(Everyone can see) Affects Versions: 4.0.6 Reporter: pchar Assigned To: Mark Proctor Attachments: treemap.zip Hi All, i've a simple rules that retract objects form the WM rule "Retract From TreeSet" when $tree: TreeSet() from collect (Message() ) then System.out.println($tree.first()); retract($tree.first()); end after the firts run the following exception is thrown org.drools.FactException: Retract error: handle not found for object: [Hello World]. Is it in the working memory? [Hello World] at org.drools.base.DefaultKnowledgeHelper.retract(DefaultKnowledgeHelper.java:120) at com.sample.Rule_Retract_From_TreeSet_0.consequence(Rule_Retract_From_TreeSet_0.java:9) at com.sample.Rule_Retract_From_TreeSet_0ConsequenceInvoker.evaluate(Rule_Retract_From_TreeSet_0ConsequenceInvoker.java:22) at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:550) at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:514) at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:471) at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:433) at com.sample.DroolsTest.main(DroolsTest.java:36) org.drools.spi.ConsequenceException: org.drools.FactException: Retract error: handle not found for object: [Hello World]. Is it in the working memory? at org.drools.base.DefaultConsequenceExceptionHandler.handleException(DefaultConsequenceExceptionHandler.java:14) at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:554) at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:514) at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:471) at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:433) at com.sample.DroolsTest.main(DroolsTest.java:36) Caused by: org.drools.FactException: Retract error: handle not found for object: [Hello World]. Is it in the working memory? at org.drools.base.DefaultKnowledgeHelper.retract(DefaultKnowledgeHelper.java:120) at com.sample.Rule_Retract_From_TreeSet_0.consequence(Rule_Retract_From_TreeSet_0.java:9) at com.sample.Rule_Retract_From_TreeSet_0ConsequenceInvoker.evaluate(Rule_Retract_From_TreeSet_0ConsequenceInvoker.java:22) at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:550) ... 4 more