About page

api-jdo

javax.jdo.PersistenceManagerFactory

The PersistenceManagerFactory is the interface to use to obtain PersistenceManager instances.(Interface of JDO)

 
forum_thread

OutofMemory error with Object DB 2.0

Hi, I am getting the below OutOfMemoryError after I have migrated from objectdb 1.0 to 2.0 The application works with 256MB heap size with objectdb 1.0  But on 2.0 even with max heap size of 1024MB, I get this error. The application reads xml file of around 1GB and creates a new odb file and inserts 200 records at a time. ... initial = "256kb" resize = "256kb" page = "2kb" /> <recovery enabled = "false" sync = ...

 
release

2.2.4

... declared parameters of the query. See JavaDoc Reference Page... method. Added exception on pessimistic locking ... a basic type or embeddable class. See JavaDoc Reference Page...  (for setting eager fetch of non entity collections, such ...

 
release

2.2.5

... declared parameters of the query. See JavaDoc Reference Page... method. Added exception on pessimistic locking ... a basic type or embeddable class. See JavaDoc Reference Page...  (for setting eager fetch of non entity collections, such ...

 
issue

objectdb-2.6.9_06: Extended Persistence Context fails: 'Attempt to begin a new transaction when a transaction is active'

objectdb-2.6.9_01 NetBeans8.1+Glassfish4.1.1 Mac OS X Possibly related: How to Use a SF with extended Persistence Context? Test mini web app at: https://www.webel.com.au/downloads/objectdb/GreensoftObjectdbTestWebMini3683.2016-09-29.tgz ... and Deploy/Run, the web app runs and will display this web page:   But then, when the commit() is executed ...

 
forum_thread

Error using query with MAX() function

I have a class that is persisting a Entity that holds remarks and a time. Then when I query for the latest remark I get a internal error when the remark is larger than 1966 chars. Here is a test class and entity that reproduces the problem on my system. ... object count: 59999 ( actual 59971 )   Page Relation Errors --------------------   ... ... ... ...

 
forum_thread

The server cannot start in CentOS

Hi, I try to run ObjectDB from Linux, but failed. My command is: java -cp objectdb.jar com.objectdb.Server start The result is attached. After typing the command, the system seems halting. ... initial = "256kb" resize = "256kb" page = "2kb" /> <recovery enabled = "true" sync = ...

 
api-jpa

javax.persistence.OptimisticLockException

Thrown by the persistence provider when an optimistic locking conflict occurs.(Exception of JPA)

 
forum_thread

500Mb ObjectDb database opening issue

Hi, I have observed that 500 Mb objectDb database opening time is very slow (~3 seconds) for following code m_EntityMgrFactory = Persistence.createEntityManagerFactory( "objectdb:" + aFilename ); m_EntityManager = m_EntityMgrFactory.createEntityManager(); Does exist any way to speed-up open time for big databases? Definitely, it's too long for 500 Mb database! ... <size initial="256kb" resize="256kb" page="2kb" />   <recovery enabled="false" sync="false" path="." ... <size initial="256kb" resize="256kb" page="2kb" />   <recovery enabled="false" sync="false" path="." ...

 
api-jpa

javax.persistence.PersistenceException

Thrown by the persistence provider when a problem occurs.(Exception of JPA)