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https://issues.apache.org/jira/browse/DIRMINA-739?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Emmanuel Lecharny closed DIRMINA-739.
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> IllegalArgumentException thrown from ErrorGeneratingFilter
> ----------------------------------------------------------
>
> Key: DIRMINA-739
> URL: https://issues.apache.org/jira/browse/DIRMINA-739
> Project: MINA
> Issue Type: Bug
> Components: Filter
> Affects Versions: 2.0.0-M6
> Reporter: Stephen Crane
> Assignee: Emmanuel Lecharny
> Fix For: 2.0.0-RC1
>
>
> I've configured an ErrorGeneratingFilter in my tests and am now occasionally
> seeing the following exception:
> {code}
> Caused by: java.lang.IllegalArgumentException: n must be positive
> at java.util.Random.nextInt(Random.java:250)
> at
> org.apache.mina.filter.errorgenerating.ErrorGeneratingFilter.manipulateIoBuffer(ErrorGeneratingFilter.java:187)
> at
> org.apache.mina.filter.errorgenerating.ErrorGeneratingFilter.messageReceived(ErrorGeneratingFilter.java:118)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:433)
> {code}
> Obviously buffer.remaining() is returning 0 here.
> How about the following fix?
> {code}
> if (buffer.remaining() > 0 && changeByteProbability > rng.nextInt(1000)) {
> // as before
> }
> {code}
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