[jboss-jira] [JBoss JIRA] (WFLY-3042) There should be a warning logged if the default value of node identifier has not been changed.

[Tom Jenkinson (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-3042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12948968#comment-12948968 ] 

Tom Jenkinson commented on WFLY-3042:
-------------------------------------

is there a "database" available inside WFLY? we could use that.

the underlying issue is then that if the uuid is lost somehow (wiped out db?) then the system is somewhat screwed.

ip/mac/serial numbers doesn't really work as different servers can assume the identity.

                
> There should be a warning logged if the default value of node identifier has not been changed.  
> ------------------------------------------------------------------------------------------------
>
>                 Key: WFLY-3042
>                 URL: https://issues.jboss.org/browse/WFLY-3042
>             Project: WildFly
>          Issue Type: Enhancement
>      Security Level: Public(Everyone can see) 
>          Components: Transactions
>    Affects Versions: 8.0.0.Final
>         Environment: JBoss EAP 6.x
>            Reporter: Tom Ross
>            Assignee: Gytis Trikleris
>
> JBoss EAP instance is using the value of node identifier  to identify XA transactions that belong to it. By default this value is set to 1. Now days in most environments there will be multiple JBoss instances sharing XA resources there for it is necessary to set the value of node identifier to a unique value for each instance. This is something that most end users fail to perform. Therefor it would be helpful if  a warning  message was logged at startup telling the user to do it.

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