Troubleshooting JPA deadlocks and transaction timeouts

Database deadlocks and transaction timeouts are the result of contention between two or more clients attempting to access the same database resource. Deadlock is a special case where a circular blocking condition between two or more clients, each blocked by the others, but no one can proceed. Usually these phenomena are not programming errors. They are caused by business logic accessing database resources in a complex and inter-depending fashions.

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By using the following best practices and strategies, these conditions can be minimized.

Procedure

Results

For more information, review the Apache OpenJPA User Guide.
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Last updated: April 18, 2014 05:01 AM CDT
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