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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SAMOA-71) HorizontalAMRulesRegressor fails with ConcurrentModificationException
Date Fri, 21 Jul 2017 13:48:00 GMT

    [ https://issues.apache.org/jira/browse/SAMOA-71?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16096274#comment-16096274
] 

ASF GitHub Bot commented on SAMOA-71:
-------------------------------------

Github user mgrzenda commented on the issue:

    https://github.com/apache/incubator-samoa/pull/68
  
    Recent automated builds ten to be slow and exceed timeouts. This commit increases the
values limiting the time allocated to Storm tests. This is to prevent the failure of these
tests and entire Travis build in turn.


> HorizontalAMRulesRegressor fails with ConcurrentModificationException
> ---------------------------------------------------------------------
>
>                 Key: SAMOA-71
>                 URL: https://issues.apache.org/jira/browse/SAMOA-71
>             Project: SAMOA
>          Issue Type: Bug
>          Components: SAMOA-API
>            Reporter: Maciej Grzenda
>            Priority: Minor
>
> When Horizontal Adaptive Model Rules Regressor is used, AMRRuleSetProcessor that is used
in turn occasionally fails with ConcurrentModificationException:
> Exception in thread "main" java.util.ConcurrentModificationException
>         at java.util.LinkedList$ListItr.checkForComodification(Unknown Source)
>         at java.util.LinkedList$ListItr.next(Unknown Source)
>         at org.apache.samoa.learners.classifiers.rules.distributed.AMRRuleSetPro
> cessor.processInstanceEvent(AMRRuleSetProcessor.java:130)
> The reason seems to be ruleSet is not thread-safe, but this can be possibly changed.



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