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22

500Mb ObjectDb database opening issue

with a Profiler to understand what activity is done during these 3 seconds. support Support I will prepare test ... you should try is to remove all activations from the objectdb.conf file. With an OEM license your end users do not need activation codes, and you should avoid including activation codes in
16

How to Use a SF with extended Persistence Context?

is active. In principal The SF doesn't need to begin any transaction since it only get called by ... : Activating ConfigAdmin Subsystem 13:52:02,005 INFO [org.jboss.as.clustering.infinispan] (ServerService Thread Pool -- 31) JBAS010280: Activating Infinispan subsystem. 13:52:02,011 INFO [org.jboss.as
3

javax.persistence.EntityExistsException

and the entity already exists. The current transaction, if one is active, will be marked for rollback ... time. The current transaction, if one is active, will be marked for rollback. Since: JPA 1.0
3

joinTransaction()

Method javax.persistence.EntityManager void joinTransaction() Indicate to the entity manager that a JTA transaction is active. This method should be called on a JTA application managed entity manager that was created outside the scope of the active transaction to associate it with the current JTA
3

Super class' field access fails

activity; protected HotObject() { activity = 1; } public Integer getActivity() { return activity; } public void setActivity(Integer activity) { this.activity = activity; } public void increaseActivity() { activity += 1; } protected abstract
0

getDataStoreConnection()

Method javax.jdo.PersistenceManager JDOConnection getDataStoreConnection() If this method is called while a datastore transaction is active, the object returned will be enlisted in the current transaction. If called in an optimistic transaction or outside an active transaction, the object returned
0

getFetchGroups()

Method javax.jdo.PersistenceManagerFactory Set getFetchGroups() Get a modifiable Set containing a mutable copy of all currently active (in scope) fetch groups. The methods addFetchGroups ... of all currently active fetch groups Throws: SecurityException - if the caller is not authorized for JDOPermission ("getMetadata") Since: JDO 2.2
0

clearGroups()

Method javax.jdo.FetchPlan FetchPlan clearGroups() Remove all active groups leaving no active fetch group. Returns: the FetchPlan Since: JDO 2.0
0

refreshAll()

Method javax.jdo.PersistenceManager void refreshAll() Refresh the state of all applicable instances from the data store. If called with an active transaction, all transactional instances will be refreshed. If called outside an active transaction, all nontransactional instances will be refreshed. Since: JDO 1.0 See Also: refresh(Object pc)
0

isActive()

Method javax.jdo.Transaction boolean isActive() Returns whether there is a transaction currently active. Returns: true if the transaction is active. Since: JDO 1.0

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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