[rules-users] sequential execution mode throws an exception

[Mark Proctor]

Michal Bali wrote:
> Hi,
>
> The sequential execution mode throws an exception when working with 
> the new API. It works fine with the old API.
>
> I used the following configuration:
> KnowledgeBaseConfiguration configuration = 
> KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
> configuration.setOption(SequentialOption.YES);
Thanks for finding this, It's now fixed in trunk.
>
> This exception has been thrown:
> java.lang.ArrayIndexOutOfBoundsException: -1
>     at org.drools.common.ArrayAgendaGroup.add(ArrayAgendaGroup.java:136)
>     at 
> org.drools.common.DefaultAgenda.addActivation(DefaultAgenda.java:354)
>     at 
> org.drools.reteoo.RuleTerminalNode.assertLeftTuple(RuleTerminalNode.java:247)
>     at 
> org.drools.reteoo.RuleTerminalNode.assertLeftTuple(RuleTerminalNode.java:165)
>     at 
> org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:117)
>     at 
> org.drools.reteoo.SingleLeftTupleSinkAdapter.createAndPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:78)
>     at 
> org.drools.reteoo.LIANodePropagation.doPropagation(LIANodePropagation.java:47)
>     at 
> org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:671)
>     at 
> org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:659)
>     at 
> org.drools.impl.StatelessKnowledgeSessionImpl.execute(StatelessKnowledgeSessionImpl.java:213)
>     at com.sample.DroolsTest.main(DroolsTest.java:47)
>
> For this rule:
> rule "Hello World"
>     when
>         Message()
>     then       
>         System.out.println( "test" );
> end
>
> Tested with snapshot from 7. Mar 2009
>
> Best Regards,
> Michal
>
> ------------------------------------------------------------------------
>
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>   

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