gjt jdbc multithreaded?

[Sheer El-Showk <sheer@xxxxxxxxx>]

Hi,

I'm trying to load test an old application that was written using the gjt
jdbc drivers for mysql.

When I start hitting it with ~10+ concurrent application sessions (each of
which do multiple, short db queries) I start seeing things like this crop
up in the log file:

java.lang.NumberFormatException
at org.gjt.mm.mysql.ResultSet.getTimestamp(ResultSet.java:784)
at org.gjt.mm.mysql.ResultSet.getObject(ResultSet.java:1103)
at org.gjt.mm.mysql.ResultSet.getObject(ResultSet.java:1127)
at my applications classes ...


The application is a multithreaded server using normal java threads.

Does anyone know if gjt is supposed to be thread-safe (a cursory search of
the homepage and search engines didn't yield an answer either way --
please note the word _cursory_ , mispelled though it may be, in any future
criticism)?

If not, is twz (though that's non-commercial use only right?)?  Is there a
fully open-source (or at least commercially usable) multi-threaded java
driver for mysql?

Please cc my address (sheer@xxxxxxxxx) in any response.

Thanks in advance,
Sheer


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