Jair da Silva Ferreira J�nior wrote:
Hi, I am using ojb1.0_rc4, ODMG api with OJB queries, mysql4 in Linux Red Hat 7.3 (kernel 2.4.20-20.7). I am experiencing the following problem: when multiple threads (about 20) try to write lock an object, at some point, the transaction.lock(object,Transaction.WRITE) method simply doesn't return and my thread never dies. This is causing my application to deadlock. I am locking different objects in each thread.
Did the deadlock occur while locking the objects or when commit the transaction? Which lock map implementation do you use?
regards, Armin
I have tried the following <connection-pool> configurations in repository_database.xml with no success:
<connection-pool maxActive="50" validationQuery="" whenExhaustedAction="1" maxWait="4000"/>
<connection-pool maxActive="3" validationQuery="" whenExhaustedAction="2" maxWait="4000"/>
Do you know why this is happening? The transaction.lock(..) method should throw an exception if the object can't be locked, right? Any help would be appreciated.
Thanks, Jair Jr
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