Hello everyone,
I see this stack trace very intermittently when my bean attempts to run a JPA
query, and I'm looking for ideas on what the problem could be and how to solve
it.
I'm running with JBoss 5.0.1GA on linux with an Oracle data source. The
oracle-ds.xml has the directive
"<security-domain>EncryptOraclePassword</security-domain>".
java.lang.IllegalStateException: Attempt to insert duplicate entry
at org.jboss.util.TimedCachePolicy.insert(TimedCachePolicy.java:219)
at
org.jboss.security.plugins.auth.JaasSecurityManagerBase.updateCache(JaasSecurityManagerBase.java:751)
at
org.jboss.security.plugins.auth.JaasSecurityManagerBase.authenticate(JaasSecurityManagerBase.java:504)
at
org.jboss.security.plugins.auth.JaasSecurityManagerBase.isValid(JaasSecurityManagerBase.java:365)
at
org.jboss.security.plugins.JaasSecurityManager.isValid(JaasSecurityManager.java:160)
at
org.jboss.security.integration.JBossSecuritySubjectFactory.createSubject(JBossSecuritySubjectFactory.java:90)
at
org.jboss.resource.connectionmanager.BaseConnectionManager2.getSubject(BaseConnectionManager2.java:687)
at
org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:495)
at
org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConnection(BaseConnectionManager2.java:941)
at
org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:89)
at
org.hibernate.ejb.connection.InjectedDataSourceConnectionProvider.getConnection(InjectedDataSourceConnectionProvider.java:46)
at
org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:446)
at
org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167)
at
org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:161)
at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1573)
at org.hibernate.loader.Loader.doQuery(Loader.java:696)
at
org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:259)
at org.hibernate.loader.Loader.doList(Loader.java:2228)
at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2125)
at org.hibernate.loader.Loader.list(Loader.java:2120)
at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:401)
at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:361)
at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:196)
at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1148)
at org.hibernate.impl.QueryImpl.list(QueryImpl.java:102)
at org.hibernate.ejb.QueryImpl.getSingleResult(QueryImpl.java:88)
at
com.myorganization.UserLocatorLocalBean.findUser(UserLocatorLocalBean.java:200)
the findUser() method is running the following code:
Query q = entityManager.createNamedQuery("findUser");
q.setParameter("username", username);
Object obj = q.getSingleResult();
// ...
The named query:
@NamedQuery(name = "findUser", query = "SELECT e from UserEntity e where
e.username = :username")
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