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forum_thread

Schema Update: class hierarchy change

Hello, we try to change the class hierarchy of an Entity. You wrote www.objectdb.com/database/forum/899 that ObjectDB support automatic schema evolution for adding and removing fields and for class hierarchy change.   But our small test failed: At first create a DataBase with one Object of MyEntity #1 2015-07-15 08:26 Hello, we try to change the class hierarchy of an Entity. You wrote www.objectdb.com/database/for ...

 
forum_thread

TemporalType injection with Calendar using JPA

I have ObjectDB  JPA  comsummed by a RESTful web service deployed on Tomcat. I am using an embedded object as a primary key, which has time fields which I have annotated with TemporalType.TIMESTAMP When I use a java.util.Date as a field on this object there is no problem. However, if I use a java.util.Calendar it encounters an exception.   Calendar is what I need.  Is there something obvious here that I am failing to see?   #1 2011-05-30 17:15 I have ObjectDB  JPA  comsummed by a RESTful web service deployed on Tomcat. I am using an embe ...

 
issue

ArrayIndexOutOfBoundsException on flush

The following exception was thrown when my app attempted to flush an objectdb database: ... put together a test that replicates it but we're not clear what is happening yet 2) No replication is in use - the database ...

 
forum_thread

Possible cause for "Enhancement of type ... is old and cannot be used"

We get the following log: #1 2015-06-08 12:33 We get the following log: [ 2015-06-08 13:07:02 #1 type.user] Enhancement of type com.btc.ep.re ...

 
issue

[ObjectDB 2.5.5_03] Unexpected exception (Error 990)

Hello! When I run this query SELECT t FROM Unit t WHERE t.lastGeocodedPosition IS NULL OR t.lastGeocodedPosition.receiveTime < :lastGeocodedPosition.receiveTime I get the following exception: Bug Version: Priority: Normal Status: Fixed Replies: 9 Type:  Bug ...

 
forum_thread

Dependency from enhanced classes to the objectDB library

Hello, we have a Question to the dependency from enhanced classes (required for license) to the objectDB library.... message than in post #1. I had not described in post #3 clear enough. The other message is because we have referenced the ObjectDB ...

 
forum_thread

Degrading performance overtime

hi, We have an application that uses embedded odb database. We have configured odb to start at 50meg chunks and grow at 50 megs a time. as the files become larger between 1 and 2 gigs we start to see considerable degrade in performance caused internal objectdb locking: ... System. setProperty ( "objectdb.temp.no-resize-clear" , "true" ) ; Alternatively, if you know the ...

 
issue

Unexpected exception (Error 990) - NullPointerException

I'm using Version 2.5.4_05 Maybe this Exception is created by calling em.merge()  - et least this is what I do in the named line. ... been marked for rollback. Why it has been marked was not clear. edit ...

 
manual

[ODB1] Chapter 9 - ObjectDB Explorer

Explains how to view and manipulate database files in the database explorer. ObjectDB Explorer is a visual tool for managing ObjectDB databases. You can use the Explorer to browse databases, execute JDOQL queries, create new databases and edit the content of existing databases. This chapter contains the following s ...

 
forum_thread

NegativeArraySizeException on commiting a transaction

Hi, we started to get a java.lang.NegativeArraySizeException from ObjectDB upon changing an object in the DB and committing the transaction. I tried to repair the DB file with Database Doctor, but the same error is happening also on the fixed DB file. Btw. during fixing the DB file an Internal error was thrown (details here: http://www.objectdb.com/database/issue/285 ), but the fixing went on and created a new file. ... object results in an exception as the one you got, with no clear error message. We will check what can be done to increase the ...