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7

Suspected memleak caused by bad state of EntityManager

.rollback(EMImpl.java:295) ~[EMImpl.class:na] at com.app.dao.impl.ObjectdbExpeditionDAO
7

One transaction or two?

().rollback(); } if(!pm.isClosed()) { pm.close(); } } Should I separate the deletes
7

EM close causes an exception

updates when the EntityManager is closed and that transaction is not rollbacked or committed before
7

Working with a cleared cache

.currentTransaction().isActive()) { m_persistenceManager.currentTransaction().rollback
7

ClassCastException: cannot be cast to com.objectdb.spi.TrackableUserType

() ) transaction.rollback() if( !pm.isClosed() ) pm.close
7

How to use ObjectDB properly in spring boot application?

()) em.getTransaction().rollback(); } It works but the code has become uggly since I had to use try
7

Empty temporary dat files in the temp folder

rollback the transaction and closing the EntityManager. In some scenarios we use additional databases
7

Is it possible to commit only specific elements?

of them and rollback others. Since JPA supports one transaction per thread, you will have to split the activity
1

Unexpected exception during query, if entity is not enhanced

as entity structure in our main database by persist a TCVector whose transaction was rollback
1

NullPointer running multiple client against server

.getTransaction().isActive()) em.getTransaction().rollback(); throw new ApplicationException

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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