Hello,


We have a problem with the virtuoso JDBC driver.

I think there is an issue in the connection pool (in the virtuoso driver).
He try to reuse indefinitely a corrupt connection.



In the source code : He use an SQLstate and an ErrorCode to determine if an
exception is critical and need to be send to the pool to close the
connection.

isCriticalError :
https://github.com/openlink/virtuoso-opensource/blob/69f9b53954397f74840f7ca6fe486f9fb9d7c711/libsrc/JDBCDriverType4/virtuoso/jdbc2/VirtuosoConnection.java



Regards,



Maxime
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