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Issue deploying J6EE/Eclipse/Glassfish example to TomEE 1.5.1

. It seems to be hardcoded to assume it is being deployed into JBoss AS: ....snip.... Caused by: com.objectdb.o ... : javax.naming.NameNotFoundException: Name [jboss/TransactionSynchronizationRegistry] is not bound in this Context. Unable to find [jboss]. at org.apache.naming.NamingContext.lookup(NamingContext.java

A lot of ENT and SIV instances which are not cleared by GC

(EjbInvocation.java:582) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke ... (DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at org.jboss.weld.injection ... ) at org.jboss.weld.injection.producer.DefaultLifecycleCallbackInvoker.preDestroy

EntityManager.find(entityClass, primaryKey) is slow when accessing non-existent IDs

<- comparably effective as 7, 8", order); iterate(em, false, "hot\titerate\t\tcached\t\tunexisting\t ... \tcached\t\texisting\t<- comparably effective as 5, 6", order); } public static void main ... (" " + d + "\t" + order.get(d)); } } --- 11:00:49.520 [main] DEBUG org.jboss.logging

Error 363 - Failed to read value of inverse relationship

works fine and the relationships (both forward and inverse) behave as expected in the Object DB Explorer, however when I try to read the Event type, I'm getting the following exception. As far as I ... up with both of them. If you help me to find the problem, I will be grateful. I need to know the answer as soon as possible

Entity Management Settings

the persistence context of the EntityManager (which serves as a first level cache). The valid values ... "false") specifies if lazy loading of entity objects content is enabled. Instantiating entity objects as ... (whose value is "true" or "false") specifies if serialization should be used as a fallback persisting

Comparison in JPQL and Criteria API

ObjectDB supports two sets of comparison operators, as shown in the following table: Set 1 - JPQL ... and expressions that include an unknown value are evaluated as unknown, i.e. to NULL. IS [NOT] NULL ... have exactly the same content. ObjectDB supports comparison of any two values that belong to the same group as

JPA Primary Key

key cannot be modified. It represents the entity object as long as it exists in the database. As ... of other persistable types are always stored as part of their containing entity objects and do not ... automatically : } The @Id annotation marks a field as a primary key field. When a primary key field

Database Management Settings

the background, a soon as new indexes are detected, in order to activate these new indexes. The priority attribute specifies the speed of the index building background process as a number between 10 and 70, indicating a processing rate of between 10% to 70% of the maximum database writing rate. As soon

Storing JPA Entity Objects

or implicitly as a result of a cascade operation. Explicit Persist The following code stores ... .getTransaction().commit(); The Employee instance is constructed as an ordinary Java object and its initial ... of other persistable types can only be stored in the database embedded in containing entities (as

Schema Update

databases as a complementary operation to renaming or moving these elements in the IDE during source code refactoring. Only these schema changes are specified in the configuration file. As explained in ... $E" /> </package> </schema> The hierarchy, as demonstrated above, is strict: <package

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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