OptimisticLockException thrown on Query.getResultList() when Pessimistic Lock
is applied
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Key: OPENJPA-1142
URL: https://issues.apache.org/jira/browse/OPENJPA-1142
Project: OpenJPA
Issue Type: Bug
Components: kernel
Affects Versions: 2.0.0-M2, 2.0.0
Reporter: Albert Lee
Assignee: Albert Lee
Fix For: 2.0.0
The following sample code snippet may yield a OptimisticLockException.
Query tc_query =
itemManager.createNamedQuery("TypeCategory.find_tc").setParameter("product_id",
new Integer(product_id));
tc_query.setLockMode(LockModeType.PESSIMISTIC_READ);
Collection typeCat = tc_query.getResultList();
This is a incorrect behavior per JPA 2.0 spec:
public interface Query {
/**
* Execute a SELECT query and return the query results
* as an untyped List.
* @return a list of the results
* @throws IllegalStateException if called for a Java Persistence query
language UPDATE or DELETE statement
* @throws QueryTimeoutException if the query execution exceeds the query
timeout value set
* @throws TransactionRequiredException if a lock mode has been set and there
is no transaction
* @throws PessimisticLockException if pessimistic locking fails and the
transaction is rolled back
* @throws LockTimeoutException if pessimistic locking fails and only the
statement is rolled back
*/
List getResultList();
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