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From "David Jencks (JIRA)" <>
Subject [jira] Commented: (GERONIMO-4184) In-doubt transaction Id's could be reused during server startup
Date Thu, 17 Mar 2011 05:28:29 GMT


David Jencks commented on GERONIMO-4184:

The no-arg constructor is only there for people who don't care about recovery and can't be
bothered to set up the tm properly.

I guess if we're going to do anything here we should figure out a way to store the baseid
and counter range in the tx log (in the log object, not necessarily in the log files) and
read them in as part of recovery.  Then if there's a recorded baseid we can use it.  

> In-doubt transaction Id's could be reused during server startup
> ---------------------------------------------------------------
>                 Key: GERONIMO-4184
>                 URL:
>             Project: Geronimo
>          Issue Type: Bug
>      Security Level: public(Regular issues) 
>          Components: transaction manager
>    Affects Versions: 2.0, 2.0.1, 2.0.2, 2.1, 2.1.1, 2.1.4
>            Reporter: Kevan Miller
>             Fix For: Wish List
>         Attachments: GERONIM-4184.patch
> During server restart, we may reuse an Xid for a transaction which is in-doubt. Potentially
confusing a resource manager. We need to insure this does not occur. Simple way is to remember
the largest Xid in tran log and start with a larger number. 

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