db-derby-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Myrna van Lunteren" <m.v.lunte...@gmail.com>
Subject Re: [jira] Commented: (DERBY-977) jdbcapi/xaSimplePositive.sql fails
Date Fri, 17 Feb 2006 08:15:33 GMT
Mike,

I read this to mean we can simply update the masters.
Or is that not what you meant?

Thx,
Myrna


On 2/16/06, Mike Matrigali (JIRA) <derby-dev@db.apache.org> wrote:
>
>    [
> http://issues.apache.org/jira/browse/DERBY-977?page=comments#action_12366663]
>
> Mike Matrigali commented on DERBY-977:
> --------------------------------------
>
> If you look in the actual test you will see the explanation of this diff:
> ij(XA)> -- NOTE: The following call to "xa_recover xa_startrscan" is apt
> to
> -- return the result set rows in reverse order when changes to
> -- the Derby engine affect the number of transactions that it takes
> -- to create a database.  The transactions are stored in a hash table
> -- based on a global and local id, and when the number of transactions
> -- changes, the (internal) local id can change, which may lead to a
> -- change in the result set order.  This order is determined by the
> -- JVM's hashing algorithm. Examples of changes to the engine that
> -- can affect this include ones that cause more commits or that
> -- change the amount of data being stored, such as changes to the
> -- metadata statements (which is what prompted this explanation in
> -- the first place).  Ultimately, the problem is that there is no
> -- way to order the return values from "xa_recover" since it is an
> -- ij internal statement, not SQL...
> xa_recover xa_startrscan;
> Recovered 2 in doubt transactions
> Transaction 1 : (1,FILTERED,FILTERED)
> Transaction 2 : (2,FILTERED,FILTERED)
>
> > jdbcapi/xaSimplePositive.sql fails
> > ----------------------------------
> >
> >          Key: DERBY-977
> >          URL: http://issues.apache.org/jira/browse/DERBY-977
> >      Project: Derby
> >         Type: Test
> >   Components: Regression Test Failure
> >     Versions: 10.2.0.0
> >  Environment: Solaris 10 3/05 s10_74L2a X86 - SunOS 5.10 Generic, JVM:
> Sun Microsystems Inc. 1.5.0_04
> >     Reporter: Ole Solberg
>
> >
> > "Signature":
> > ********* Diff file xa/xa/xaSimplePositive.diff
> > *** Start: xaSimplePositive jdk1.5.0_04 xa:xa 2006-02-14 03:03:46 ***
> > 97 del
> > < Transaction 1 : (1,FILTERED,FILTERED)
> > 98 del
> > < Transaction 2 : (2,FILTERED,FILTERED)
> > 98a97,98
> > > Transaction 1 : (2,FILTERED,FILTERED)
> > > Transaction 2 : (1,FILTERED,FILTERED)
> > Test Failed.
> > *** End:   xaSimplePositive jdk1.5.0_04 xa:xa 2006-02-14 03:03:50 ***
> >
> http://www.multinet.no/~solberg/public/Apache/TinderBox_Derby/Limited/testSummary-377554.html
>
> --
> This message is automatically generated by JIRA.
> -
> If you think it was sent incorrectly contact one of the administrators:
>   http://issues.apache.org/jira/secure/Administrators.jspa
> -
> For more information on JIRA, see:
>   http://www.atlassian.com/software/jira
>
>

Mime
View raw message