Bug 748740 - Multiple traits on one fact throws exception
Summary: Multiple traits on one fact throws exception
Keywords:
Status: VERIFIED
Alias: None
Product: JBoss Enterprise BRMS Platform 5
Classification: JBoss
Component: BRE (Expert, Fusion)
Version: BRMS 5.3.0.GA
Hardware: Unspecified
OS: Unspecified
unspecified
medium
Target Milestone: ---
: BRMS 5.3.0.GA
Assignee: Mark Proctor
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2011-10-25 08:42 UTC by Tomas Schlosser
Modified: 2023-05-01 08:28 UTC (History)
1 user (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed:
Type: Bug
Embargoed:

Attachments (Terms of Use)
Simple reproducer (1.70 KB, application/x-zip-compressed)
2011-10-25 08:42 UTC, Tomas Schlosser 		no flags Details
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Links
System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker JBRULES-3412 0 Major Closed traits - don more than 3 pojos, got IllegalArgumentException 2013-08-12 07:55:25 UTC

Description Tomas Schlosser 2011-10-25 08:42:38 UTC 
Created attachment 530030 [details]
Simple reproducer

Description of problem:
When you try to add a second trait to fact exception is thrown.

Version-Release number of selected component (if applicable):
BRMS-5.3.0.dev4

How reproducible:
Every time.

Steps to Reproduce:
1. Run attached class
  
Actual results:
Exception in thread "main" Exception executing consequence for rule "create student" in org.jboss.qa.brms.traits: java.lang.IllegalArgumentException: argument type mismatch
	at org.drools.runtime.rule.impl.DefaultConsequenceExceptionHandler.handleException(DefaultConsequenceExceptionHandler.java:39)
	at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:1101)
	at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:1029)
	at org.drools.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1251)
	at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:708)
	at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:672)
	at org.drools.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:218)
	at org.jboss.qa.brms.traits.TraitsTest.test(TraitsTest.java:44)
	at org.jboss.qa.brms.traits.TraitsTest.main(TraitsTest.java:13)
Caused by: java.lang.IllegalArgumentException: argument type mismatch
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:532)
	at org.drools.factmodel.traits.TraitFactory.getProxy(TraitFactory.java:92)
	at org.drools.base.DefaultKnowledgeHelper.don(DefaultKnowledgeHelper.java:492)
	at org.drools.base.DefaultKnowledgeHelper.don(DefaultKnowledgeHelper.java:512)
	at org.jboss.qa.brms.traits.Rule_create_student.defaultConsequence(Rule_create_student.java:7)
	at org.jboss.qa.brms.traits.Rule_create_studentDefaultConsequenceInvoker.evaluate(Unknown Source)
	at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:1091)
	... 7 more

Expected results:
No exception and clear execution of rules.

Additional info:
Comment 2 Mark Proctor 2012-01-19 01:32:59 UTC 
Traits are not being productized for BRMS5.3. Please document as "experimental" feature.
Comment 4 Tomas Schlosser 2012-02-22 11:25:06 UTC 
Removed the jboss-brms-5.3.0 flag, but the issue still stands.
Comment 5 Mark Proctor 2012-04-06 00:00:51 UTC 
linked to JBRULES-3412 And cherry-picked from master:

commit 88cb4915d81f99f8bbb37ae44f82091aae6f1a9c
Author: Davide Sottara <dsotty>
Date:   Mon Mar 12 02:32:34 2012 +0000

    JBRULES-3412 Traits - Don more than 3 pojos, got IllegalArgumentException
    (cherry picked from commit 7a97069ebecba8b7eab477c4a7615baee5fda010)
    (cherry picked from commit 4e6019e588b15c6c745c234e5b6645e8cca1ec03)

    Conflicts:

        drools-compiler/src/test/java/org/drools/factmodel/traits/TraitTest.java
Comment 6 JBoss JIRA Server 2012-04-06 00:01:27 UTC 
Mark Proctor <mproctor> updated the status of jira JBRULES-3412 to Closed
Comment 7 Ryan Zhang 2012-04-23 07:37:27 UTC 
Update status to ON_QA. Please verify them against ER6.
Comment 9 Tomas Schlosser 2012-06-04 12:57:33 UTC 
This problem is gone in ER8, thanks for fixing this issue.
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