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