About trace

General Settings and Logging

Describes general configuration and logging of the ObjectDB Java object database for JPA and JDO. the ObjectDB General configuration section.... "warning" "info" "trace" "debug" ...

Threaded Test - Failed to commit transaction: Unexpected internal exception

Hi I'm trying to create a simple producer-consumer queue scenario but am getting the followin exception: ... running along with a file containing the full stack trace that I'm getting. Let me know if you need any further ... Richard Full stack trace Example code I'm using this library for ...

javax.jdo.JDOException

This is the root of all JDO Exceptions.(Exception of JDO)

java.lang.RuntimeException

(Exception of java.langException RuntimeException)

javax.persistence.RollbackException

Thrown by the persistence provider when EntityTransaction.commit() fails.(Exception of JPA)

javax.persistence.TransactionRequiredException

Thrown by the persistence provider when a transaction is required but is not active.(Exception of JPA)

java.lang.Throwable

The Throwable class is the superclass of all errors and exceptions in the Java language.(Class of java.langClass Throwable)

javax.persistence.NonUniqueResultException

Thrown by the persistence provider when Query.getSingleResult() or TypedQuery.getSingleResult() is executed on a query and there is more than one result from the query.(Exception of JPA)

javax.persistence.NoResultException

Thrown by the persistence provider when Query.getSingleResult() or TypedQuery.getSingleResult()is executed on a query and there is no result to return.(Exception of JPA)

javax.persistence.QueryTimeoutException

Thrown by the persistence provider when a query times out and only the statement is rolled back.(Exception of JPA)