[jboss-jira] [JBoss JIRA] (JGRP-1752) Concurrent message headers modification causes that message is never sent

[Radim Vansa (JIRA)]

     [ https://issues.jboss.org/browse/JGRP-1752?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Radim Vansa updated JGRP-1752:
------------------------------

    Affects Version/s: 3.4.1

    
> Concurrent message headers modification causes that message is never sent
> -------------------------------------------------------------------------
>
>                 Key: JGRP-1752
>                 URL: https://issues.jboss.org/browse/JGRP-1752
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 3.4.1
>            Reporter: Radim Vansa
>            Assignee: Bela Ban
>            Priority: Minor
>
> Under some circumstances the TP protocol may try to add the TP header to message twice concurrently.
> This happens for example when the stable message triggers retransmission while the message has been sent right now.
> This may result in ArrayOutOfBoundException in Headers._putHeader and/or subsequent NullPointerException in Headers.size(). The retransmission attempt always fails, the message is never delivered. Moreover, keeping this (and possibly following) messages in the transmission table can lead to OOME.

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