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From markvarvil <mvar...@us.ibm.com>
Subject LOCK_TABLE not cleared (Derby 10.5)
Date Thu, 04 Oct 2012 22:29:40 GMT

Using Derby 10.5, and running in network server mode, we have encountered an
issue where the lock_table contained locks, yet these locks are not being
deleted;  Even after the system sat idle overnight, the locks entries
persisted in the lock_table the next morning, and caused the system to
function improperly.

We are using the default values for lock and deadlock timeouts.   Our
application is using JPA and Optimistic Locking.  

What would cause the locks to NOT be cleared and/or released (even after a
lengthy timeout period)?


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