I don't understand. Can you repeat your explanation of the problem clearly
indicating what is a ManagedConnection and what is a Connection? From your
description it looks like perhaps the problem is that we are reusing the
java.sql.Connection obtained from a XAConnection? This would not be a
problem with the trackConnectionByTx logic but with the xa wrapper.
thanks
david jencks
On 2002.11.01 08:12:05 -0500 Igor Fedorenko wrote:
> Hi,
>
> There is a problem with trackConnectionByTx in the current CVS version
> of JBoss 3.2 which occurs when two beans access the same datasource
> from the same transaction. I am not 100% sure about original
> implementation intends and would like to give others an opportunity to
> complain before I check in updated trackConnectionByTx logic.
> Consider the following example
>
> - BeanA allocates a connection and gets an instance conn1
> - BeanA calls BeanB
> - BeanB allocates a connection and gets the same instance conn1
> - BeanB closes the connection and returns
> - BeanA tries to use the connection and gets SQLException("Logical
> handle is closed").
>
> Updated trackConnectionByTx logic will return the
> same connection only if the connection has not been allocated yet
> (condition
> "BaseConnectionManager2.ConnectionListener.isManagedConnectionFree()");
> otherwise allocate and return new connection.
>
> Any objections?
>
> --
> Igor Fedorenko
> Think smart. Think automated. Think Dynamics.
> www.thinkdynamics.com
>
>
>
>
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