ObjectDB Database Search

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How to enable and disable auto schema update?

a previous schema version. The fields are identified by their names only. If you add a new persistent ... then it will not remove the field as ObjectDB will identify it as an old schema. Anyway, this is not

Attempt to store an instance of a non persistable type

()); } } itsme Martin Petzold Somehow this Log class is not identified as an entity class. Maybe ... is already very limited. The class has already been identified as non-persistable when the database was opened

Objectdb Doctor

during development and testing can help in identifying failures. If the Doctor reports broken references

JPQL keyword in entity - what to do?

._PersistenceException: Unexpected query token 'type': Identifier is expected at com.objectdb.o.JPE.g

ODB lost?

;this is not done when using a debugger. ObjectDB identifies a database file that was not closed by

can removing an entity throw an exception if the entity is in use?

in identifying such problems. The fix, however, is required at the application level. support

The server cannot start in CentOS

;               I have to use identified ip

InternalError on query of empty database

Hi, I have reasons for sometimes trying to query the database before anything has been created. The problem is the database throws a InternalException when that happens. Is it possible to throw something that identifies that that is the issue, say something like "MissingSchemaException", ie

Drop the entire database, Change the schema

createEntityManagerFactory method asks ObjectDB if it knows that persistence unit - ObjectDB cannot identify it as

Using multiple databases

Is it possible for an ObjectDB PersistenceManger/EntityManager to connect to more than one database at a time? Also, can objects in one database reference objects in another database (e.g. through globally unique identifiers )? jonb Jon Brumfitt You can use as many databases as needed

Maintaining referential integrity

can help in identifying conditions that require a fix during development. You may subscribe to this new

Problem with 'where' and date()

should identify the parameter as a date parameter and replace the text field in that case automatically with a date editor. support Support

Mapped (Inverse) LAZY @OneToMany vs. Unmapped LAZY @OneToMany

of the entity object when it is loaded in order to identify changes on commit. In previous versions

Possible issue with String fields

_ identifier ; Integer version_no; Integer possible_extension; Integer cancelled; Integer booking_status

Optimistic locking failure

ObjectDB in order to identify this conflict that your test demonstrates. support Support

Entity Update - Is the documentation up to date?

, because an object is identified as dirty by comparing its old content with the current content. With enhanced

Random license reactivation

Ran into the problem again. Suddenly, on my development laptop, objectdb required me to regenerate a new license!   dmoshal David Moshal Try to activate ObjectDB again on your development laptop. Maybe this activation will reveal the unexpected changes that cause ObjectDB to identify the laptop as a different machine.   support Support

NullPointerException while setting a new property value

().begin(); for ( Identifiable o : entityCollection) { if (o.getIdentificator() == null) { em.persist(o

Help understanding Entity behavior with JPA

dansmith Daniel Smith The combination of (type, ID) should identify entity objects uniquely

Schema migration - long to String

in the Doctor that caused identifying objects after field type change as invalid were removed in

How to enhance the JPA/Spring/MVC to implement RESTfull for CURL client?

The resource identified by this request is only capable of generating responses with characteristics not

Failover from Master to Slave

only mode. This requires some operations by your application: identifying a failure, moving

License Activation Change and Checking Activation

your computer MAC address. Using MAC address as a machine identifier is a common practice in

Can't post on your forum

cookies that are used to identify a logged in user. I use Chrome and do not have that problem

Field in Generic Class not persisted?

my part to identify a bug  I just reported a different one (hopefully the right one) http://www.objectdb.com/database/forum/811 Thanks EKK Emmanuel Keskes

Query results are not up to date for entities, not primitives

and open a new one if you think it could help. support Support I have identified that the problem lies

Attempt to open a non existing file '/tmp/objectdb_xxxx/SortQueryItr_6.mrg'

so you cannot identify the process of each temporary directory. In that directory a lock file, lock.lck

Mismatch client-server protocol prefix

, until you can identify the specific part of the application that is relevant to the failure. support

Problem with distinct select, order by and equivalent alias/attribute path

just removing the error is not enough and some analysis is needed in order to identify the order

Pre-detach loading: retrieval by navigation not working in if statement

/ identify this problem, as I did not imagine that performing the load access inside an if statement

Database Inconsistency or corruption

of ObjectDB, I could identified when the delete operation is executed! There is still something I don't

Handling deleted references

whatever check to identify previously deleted Entity instances profile = ....; // create new Profile

Updating Entities

).  As I identified (and is noted in the manual you linked) - objects within two separate

2.7.3_03 Erroneous "Attempt to modify a primary key of a managed object"

. There is still a question why StringIdentity is not identified as a subclass of  SingleFieldIdentity in #7

Query with FETCH JOIN returns multiple results instead of one.

and fetch its services. Demand object is identified and found correctly, but as it is associated

AbstractMethodError ... __odbSetTracker(Lcom/objectdb/spi/Tracker;)V

Support Hi, we identified the problem to be on our end: The OSGi Framework Manifest was a missing

Lock prevents PersistenceManager.close when retainValues = false

of all or at least the relevant threads)? Does VisualVM identify a deadlock? support Support

Once served to JSF page via @EJB query bean, many list fields are null (but same query ok after fresh persist in @PostConstruct)

to identify the state of an entity object by exploring it in the debugger. support Support After running

Issues with JDO Casting & Full Qualified Names

Hi, As I've feared.. Fully Qualified Names in casting not working, throws an identifier expected exception: package com.test; import java.util.HashMap; import java.util.Map; import javax.persistence.Embeddable; import javax.persistence.Entity; import javax.persistence.EntityManager; import javax

Unexpected Query Token / Casting in Query

.model.account.contact.IndividualContactDebitorAccountFragment': Identifier is expected SELECT COUNT

ObjectDB 2.4.0

Added support of entity collections as query parameters. Added support of running ObjectDB within Eclipse 3.7 wrapper jar . Added support of sharing an identifier name for a variable and a parameter in the same query. Added support for using ObjectDB with GlassFish 3.1.2 . Added handling missing

ArrayIndexOutOfBoundException

specified in the configuration . Can you identify specific circumstances in which this happens? support

Internal Exception and Index Problems

, and unfortunately the Doctor doesn't include checks to identify this mismatch. However it is very easy to fix

Error in production. Failed to commit transaction: Unexpected database state: BTree -152 is not found

. How are these two stack traces related? Can you identify a problematic query that caused the problem? support Support

NullpointerException at a normal select

When I run the following code: EntityManager em = getEm(); Customer result = null; try {     logger.debug("Ident: "+ident);     result = em.createQuery("Select c from Customer c where c. identifier =:id", Customer.class).setParameter("id", ident).getSingleResult

Feature Request: Subclassed PersistenceException for Type Not Found in DB Schema

these exceptions, maybe you can identify them by getCause() , since the underlying exception could be different

Exception in thread "ODB-StoreHandler-5094" java.lang.NullPointerException

cause of these Exceptions and identify why they are not showing up in the ODB log

log entry and massive performance issues

when the slow removal happens? It may help to identify the exact build in which this issue is started. 2

several times a day queries take several minutes

machine and identify unusual activity at the server when that happens? e.g. other operations

reading from table gives Unexpected exception

van woerkom Unfortunately the information in this stack trace is not sufficient to identify