gazzaguru at btinternet.com
Wed May 17 19:55:13 UTC 2006
The connections (and statements etc) are held by a weak registry. If
anything strongly references them they will stay "alive". Try doing a few
runs of 'Smalltalk garbageCollect' before looking for instances.
Usually chase pointers will find your problem (not always!).
Working on ODBC and Glorp stuff at the moment, so been through a bit of
> -----Original Message-----
> From: squeak-dev-bounces at lists.squeakfoundation.org
> [mailto:squeak-dev-bounces at lists.squeakfoundation.org]On Behalf Of Hans
> N Beck
> Sent: 17 May 2006 8:50 PM
> To: The general-purpose Squeak developers list
> Subject: Re: ODBC Problem
> Hi Gary,
> Am 17.05.2006 um 21:40 schrieb Gary Chambers:
> > Try doing a "chase pointers" (from the popup menu) after inspecting an
> > instance of ODBCConnection. Should give you some idea of where the
> > instance
> > is being referenced.
> > Also common is referencing an object in a workspace. Set the
> > reference to
> > nil or close the workspace.
> Yes, this I have tried already but doesn't help. But the other hint
> is a good idea, I will try it.
> What does me wonder is the "open transaction" property. Could this be
> hint to the problem ?
> What I've done is make a ODBC connection via DSN, make a "select"
> query and close the connection. After repeating this several times, I
> do ODBCConnection (Class) >> clearAll, which reports that all
> instances are yet alife. Must I do something with commitTransactions ?
> Thanks !
> >> -----Original Message-----
> >> From: squeak-dev-bounces at lists.squeakfoundation.org
> >> [mailto:squeak-dev-bounces at lists.squeakfoundation.org]On Behalf Of
> >> Hans
> >> N Beck
> >> Sent: 17 May 2006 7:43 PM
> >> To: The general-purpose Squeak developers list
> >> Subject: ODBC Problem
> >> Hi,
> >> we'are talking about Squeak 3.8 running at Windows XP and ODBC
> >> Package from squeak map, loaded today:
> >> I've done several connections to a ODBC source. Connection works
> >> great but I could not remove the old objects (I use it with seaside).
> >> ODBCConnection Class>>clearAll doesn't work, something prevent the
> >> old ODBCConnection instances to be garbaged collected.
> >> (making ODBCConnections allInstances shows that all connections are
> >> closed, but "open transaction" ???)
> >> Have someone a hint 8-) ?
> >> Regards
> >> Hans
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