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how to operate with same object but two different Thread on database.

another is for update data but in same object and same database. Description: i have three classes ... to class. Here i want create another thread define a method which is for update operation. and i am getting that object here  which is passes

Modifier operations

update query to increase a field value without fetching it:     Query query = em.createQuery(      "UPDATE WebVisit v SET v.visitsCount = v.visitsCount + 1");     query.executeUpdate(); Update

ODB IndexActivation NullPointerException

handled schema change or any other hint? btc_es BTC EmbeddedSystems Small update: update the Metamodel, and then close the entityManager. (UpdateMetamodel ... you for the update. We will follow your scenario description and try to reproduce the problem and find

Optimistic locking: prevent version increment on entity collection attribute

will be updated, and currently you cannot disable this update. Could you please explain the reason for avoiding this object version update? support Support Thank ... relationship, it makes sense for the version of the parent entity to be updated because order lines

Optimistic Locking

user retrieves and updates the Counter:   PersistenceManager pm1 = pmf ... ().begin(); c1.increase(); // Second user retrieves and updates the Counter:   ... should have its own PersistenceManager and the update must be based on the object that was retrieved from the database.


> Update the object Commit the transaction, storing the updates. Commit the transaction, storing the updates. If another thread has updated the same object the RollbackException is caught and the transaction is re-attempted from scratch

Query fails with failed to read

? In that case you may be able to update the code to report the full stack trace. The error ... > hgzwicker Hans-Georg Zwicker we are able to update the production system next week monday nightupdate 1 week before). The log shows: [2018-08-17 19:14:40 #1 config] 

Unexpected exception (Error 990) com.objectdb.o.InternalException

; System.gc();         // Update the embeddable:    ... ().begin();         embeddable.update();      ... ;  void update() {             x++;  

Can't open replicated database

on one database for a query (just read, no update) but it fails with the error below. The code I'm ... to update types in read only mode (error 614) at com.objectdb.jpa.EMF.createEntityManager( ... : com.objectdb.o.UserException: Attempt to update types in read only mode at com.objectdb.o.MSG.d(MSG

queries under 2.7.6_4 significantly slower than under 2.7.6

we update to the latest version from 2.7.6. Now we have the problem ... , hopefully will be able to update soon. support Support Update: The change in ObjectDB ... thanks for the update, we can wait until you have a better solution, we did step back to 2.7.6