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You should never have multiple threads accessing the same connection 
unless you're using some pooling mechanism that insures that two threads 
can't using a connection at the same time. This is true for any JDBC 
connection, not just InstantDB.

I don't know if this can cause your problem or not, but it seems likely.

Scott Plante

Marci Lehman wrote:

> Hello,
> 
> Could there be any reason for the InstantDB database to shut itself 
> down automatically, without error?
> 
> We have had the InstantDB database (both versions 3.25 and 3.26) shut 
> itself down immediately after successfully completing several 
> different SQL queries.  And, even if the database shuts itself down on 
> a given query and our software reconnects to the database and performs 
> the same exact query later, the database does not shut itself down again.
> 
> So, it doesn't seem like the SQL queries are the problem.
> 
> And, we do not see any error messages regarding this problem even with 
> error logging turned on.
> 
> We are using JBuilder.  And, we maintain only one connection to the 
> database.  However, our application has multiple threads that are 
> sharing this connection.
> 
> Thank you.
> 
> Marci Lehman
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