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issue

Query Execution Error

This query ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
forum_thread

Crash due to memory problems

We had a crash of our system, log reports the following: ... ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
issue

An entityManager.flush() with many entities is not possible

  The following exception occures if we call entityManager.flush() where the corresponding JPA PersistenceContext has many entities and relations. What is the reason for the exception? entityManager.getTransaction().commit() instead of a entityManager.flush() works correctly. Unfortunately I have not found a simple example to reproduce this exception. The entity model of the flushed JPA PersistenceContext is too complex.  ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
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ObjectDB shuts down

Hi, we have a problem with OBjectDB shuts down every few days, sometimes every day. It always happens in the morning ie. after several hours of inactivity although we are not sure if this is the reason. Last night we maintained constant activity during the whole night (user were frequently using the application) and DB was OK. ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
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Fetching Collections Puzzle

I am working on a project where I need to travel through a massive graph of objects. One of the main entity is the Node which is shown below. class Node { Node parent List<Node> children Node rightSibling Node leftSibling int rank } I have the following issues/doubts ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
issue

ArrayIndexOutOfBounds on showing Tree Window

... from the Schema in ObjectDB Explorer in version 2.6.5_04 I get then the following exception (plenty of them). ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
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Using Enum type in NamedQuery: Field is not found in type

I'm trying to switch an application that worked fine in Hibernate to ObjectDB and am having issues with queries that reference enum types. On my entity object is a static enum public static enum Type {     A,B,C } that is stored in an @Enumerated member variable private Type type; @Enumerated public Type getType() {     return type; } I then try to query this field in the following JPA Named Query ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
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Multi part paths in a composite index must have the same length

Hi, I am trying to create some index in a DB - but I get an exception when i try to commit. Exception in thread "main" [ObjectDB 2.6.0_01] javax.persistence.PersistenceException Invalid index path 'tStamp.value / instrumentId' in type Entities.OrderBookNew (error 328) at com.objectdb.jpa.EMImpl.createQuery(EMImpl.java:958)   Here is how the class of the persisted object looks like ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
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NullpointerException when execute a merge

How can we analyze the cause of an "Unexpected internal exception"?   We create an object tree that is persisted with "merge()". Then we want to persist “merge()” an new object of a different type.   [we use ObjectDb 2.6.0_3] ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
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Criteria query error: Unexpected query token

Using JPA2, I can save entities now in JBoss, and also fetch them uniquely by id. However, if I try to fetch it by getting back all instances (e.g. findAll, I get the following error:   ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...