[jboss-jira] [JBoss JIRA] Commented: (JGRP-658) STATE_TRANSFER Nullpointer Exception

[Raymond Gao (JIRA)]

    [ http://jira.jboss.com/jira/browse/JGRP-658?page=comments#action_12400547 ] 
            
Raymond Gao commented on JGRP-658:
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Hi JGroup Team,

May I have any update on this issue? 

As it may be an underlying risk for our project deployment, we hope to have a clearer sight on this unexpected execption.

Could you help on it? Thank you! And if you required more log trace about it, we will try to provide all our collected information.

Best regards,
Raymond Gao

> STATE_TRANSFER Nullpointer Exception
> ------------------------------------
>
>                 Key: JGRP-658
>                 URL: http://jira.jboss.com/jira/browse/JGRP-658
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 2.4.1 SP3
>         Environment: JDK 1.5
>            Reporter: Benoit PINGAT
>         Assigned To: Bela Ban
>             Fix For: 2.7
>
>
> Hello,
> we faced the following problem after running this sequence:
> Our cluster was running well for 24h on a single machine then one node was detected as dead (without any obvious reason). Anyway, the node was shutdown as it discovered it was ejected from the cluster view. Then, the coordinator get this error :
> 05:58:20,613 WARN  [NAKACK][UpHandler (NAKACK)] 130.22.107.60:33612] discarded message from non-member 130.22.107.60:33618, my view is [130.22.107.60:33612|5] [130.22.107.60:33612, 130.22.107.60:33616, 130.22.107.60:33622, 130.22.107.60:33624]
> 05:58:21,612 WARN  [NAKACK][UpHandler (NAKACK)] 130.22.107.60:33612] discarded message from non-member 130.22.107.60:33618, my view is [130.22.107.60:33612|5] [130.22.107.60:33612, 130.22.107.60:33616, 130.22.107.60:33622, 130.22.107.60:33624]
> 05:58:22,618 WARN  [NAKACK][UpHandler (NAKACK)] 130.22.107.60:33612] discarded message from non-member 130.22.107.60:33618, my view is [130.22.107.60:33612|5] [130.22.107.60:33612, 130.22.107.60:33616, 130.22.107.60:33622, 130.22.107.60:33624]
> 05:58:23,628 WARN  [NAKACK][UpHandler (NAKACK)] 130.22.107.60:33612] discarded message from non-member 130.22.107.60:33618, my view is [130.22.107.60:33612|5] [130.22.107.60:33612, 130.22.107.60:33616, 130.22.107.60:33622, 130.22.107.60:33624]
> 05:58:25,369 ERROR [DownHandler][DownHandler (STATE_TRANSFER)] DownHandler (STATE_TRANSFER) caught exception
> java.lang.NullPointerException
> 	at org.jgroups.protocols.pbcast.STATE_TRANSFER.down(STATE_TRANSFER.java:252)
> 	at org.jgroups.stack.DownHandler.run(Protocol.java:121)
> (the member with the JGadress 130.22.107.60:33618 is the one that failed)
> May we know what causes this error and how to correct it ?
> Regards

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