[jboss-jira] [JBoss JIRA] Updated: (JGRP-947) Messages that are bundled but are over max_bundle_size are silently dropped on the floor.

Thu Apr 23 05:05:42 EDT 2009

     [ https://jira.jboss.org/jira/browse/JGRP-947?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bela Ban updated JGRP-947:
--------------------------

    Fix Version/s:     (was: 2.6.10)


> Messages that are bundled but are over max_bundle_size are silently dropped on the floor.
> -----------------------------------------------------------------------------------------
>
>                 Key: JGRP-947
>                 URL: https://jira.jboss.org/jira/browse/JGRP-947
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 2.7
>         Environment: JGroups version 2.7.0
>            Reporter: Hunter Kelly
>            Assignee: Bela Ban
>             Fix For: 2.8
>
>
> in TP.java, at line 1562, an error is thrown if a packet is too big.  However, this exception is caught in TP.java at line 913.  It is logged, but in my opinion this error should be propagated all the way up the call stack.
> This causes particularly confusing behavior when NACKACK is in the stack, because the next time a message that is sent that is small enough, any and all receivers will ask for a re-transmit of this message from the sender, and the default code path will then _not_ go through the bundler, so the packet will then be successfully sent.
> This means that you get a dire looking log message but code that still works, but (potentially) much more inefficiantly.
> IMHO, errors like this should be propagated back up to the offending code, so that the error can be detected and corrected.
> It also makes it virtually impossible to write test code that tests behaviour of different JGroups configurations.

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