[rules-users] Help with MR3

[Mark Proctor]

a working memory should be single threaded, so not sure how this could 
be a race condition?

Mark
s erel wrote:
> I've done a little debugging. The code fails in the following segment:
>  
> public static class HashTableIterator
> ...
>  while ( this.entry == null ) {
>                     this.row++;
>                     if ( this.row == this.length ) {
>                         return null;
>                     }
>                     this.entry = this.table[this.row]; *// ---> index 
> out of bounds exception*
>                 }
> }
>  
> this.row has the same value as this.length despite the condition above 
> it. Probably a race condition issue.
>
>  
> On 7/2/07, *Mark Proctor* <mproctor at codehaus.org 
> <mailto:mproctor at codehaus.org>> wrote:
>
>     Not really :(
>
>     In your situation I tend to keep removing rules and data while
>     still making sure the error happens, to get it down to a minimum.
>     Please do try, as this isn't an error that should happen. Or
>     alterntaively you can open drools-core and drools-compiler in
>     eclipse and execuse and debug this yourself - in your situation
>     this might best. you can put in a breakpoint to listen for that
>     particular exception.
>
>     Mark
>
>     s erel wrote:
>>     It's hard for me to provide a self contained project. The drl
>>     is long and uses several business objects. It's the same drl as
>>     we've been using for 306 minus the keyword changes.
>>     Is there anything else i can check or provide you in order to
>>     solve this matter.
>>      
>>     Thanks
>>      
>>     On 7/1/07, *Mark Proctor* <mproctor at codehaus.org
>>     <mailto:mproctor at codehaus.org>> wrote:
>>
>>         Can you provide us a self contained project which creates
>>         this error? Unless we can recreate it, it will be very hard
>>         to track it down. Please attach the project to a jira and
>>         we'll make it a priority.
>>
>>         Mark
>>         s erel wrote:
>>>         Hello,
>>>          
>>>         I've just started integrating MR3 into my project (I've
>>>         previously used 3.06). The drl compiles and everything seems
>>>         fine, but during
>>>         tests the following exception is thrown for time to time:
>>>          
>>>         java.lang.ArrayIndexOutOfBoundsException: 17
>>>          at
>>>         org.drools.util.AbstractHashTable$HashTableIterator.next(AbstractHashTable.java:250)
>>>          at
>>>         org.drools.reteoo.Rete$ObjectTypeConf.buildCache(Rete.java:434)
>>>          at
>>>         org.drools.reteoo.Rete$ObjectTypeConf.getObjectTypeNodes(Rete.java:425)
>>>          at org.drools.reteoo.Rete.assertObject(Rete.java:172)
>>>          at
>>>         org.drools.reteoo.ReteooRuleBase.assertObject(ReteooRuleBase.java:190)
>>>          at
>>>         org.drools.reteoo.ReteooWorkingMemory$WorkingMemoryReteAssertAction.execute
>>>         (ReteooWorkingMemory.java:163)
>>>          at
>>>         org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:1135)
>>>          at
>>>         org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:781)
>>>          at
>>>         org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:584)
>>>          at
>>>         org.drools.jsr94.rules.StatefulRuleSessionImpl.addObject(StatefulRuleSessionImpl.java:162)
>>>          
>>>         This only happens during high load tests.
>>>         Can anyone help me?
>>>          
>>>         Thanks
>>>          
>>>         ------------------------------------------------------------------------
>>>
>>>         _______________________________________________
>>>         rules-users mailing list
>>>         rules-users at lists.jboss.org <mailto:rules-users at lists.jboss.org>
>>>         https://lists.jboss.org/mailman/listinfo/rules-users
>>>           
>>
>>          
>>
>>         _______________________________________________
>>         rules-users mailing list
>>         rules-users at lists.jboss.org <mailto:rules-users at lists.jboss.org>
>>         https://lists.jboss.org/mailman/listinfo/rules-users
>>         <https://lists.jboss.org/mailman/listinfo/rules-users>
>>
>>
>>     ------------------------------------------------------------------------
>>
>>     _______________________________________________
>>     rules-users mailing list
>>     rules-users at lists.jboss.org <mailto:rules-users at lists.jboss.org>
>>     https://lists.jboss.org/mailman/listinfo/rules-users
>>       
>
>
>     _______________________________________________
>     rules-users mailing list
>     rules-users at lists.jboss.org <mailto:rules-users at lists.jboss.org>
>     https://lists.jboss.org/mailman/listinfo/rules-users
>     <https://lists.jboss.org/mailman/listinfo/rules-users>
>
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> rules-users mailing list
> rules-users at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
>   

-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.jboss.org/pipermail/rules-users/attachments/20070702/bc75d216/attachment.html