[jboss-jira] [JBoss JIRA] Commented: (JGRP-1205) Retransmitter reset does not prevent new task addition after chanel close

[Bela Ban (JIRA)]

    [ https://jira.jboss.org/browse/JGRP-1205?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12535079#action_12535079 ] 

Bela Ban commented on JGRP-1205:
--------------------------------

Hmm, this shouldn't hapen because when the Retansmitter is reset(), all NakReceiverWindows are removed in NAKACK (haven't checked UNICAST). So when we receive a message and there is no corresponding NRW, we discard the message, so it shoul dnot get added to the NRW and thus the Retransmitter...

> Retransmitter reset does not prevent new task addition after chanel close
> -------------------------------------------------------------------------
>
>                 Key: JGRP-1205
>                 URL: https://jira.jboss.org/browse/JGRP-1205
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 2.6.15, 2.7, 2.8, 2.9
>            Reporter: Vladimir Blagojevic
>            Assignee: Bela Ban
>             Fix For: 2.10
>
>
> Sometimes, messages are being added to the Retransmitter *after* a channel has been . This can happen if OOB messages are being passed around at the time a channel leaving a group. The problem occurs in that messages are added after Retransmitter.reset(). Normally, the timer is also stopped when the channel is disconnected, but since the Timer is shared amongst all channels, any messages added to Retransmitter after reset() just continue to be requested because the timer that those tasks were scheduled on did not die.
> This can be solved by either specifically stopping the Retransmitter or giving each ProtocolAdapter their own Timer which is then shutdown on channel disconnect.
> Michael

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