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500Mb ObjectDb database opening issue

500Mb ObjectDb database opening issue

Transaction isolation support?

of that specific object using the first EntityManager, due the default optimistic locking (unless ... using the same object by different users concurrently (even for read) you can use explicit locking

JBOSS AS7 7.1.1 - Entity not persisted and createNamedQuery fire exception

.persistence.jdbc.url" value="objectdb:D:/databases/guests.odb"/>    <!-- locking issue with glassfish. objectdb log file remains lock when application is undeployed !    => better have the log file

Entity is not related to ObjectDB, but i get exception from ObjectDB

"/> <property name="javax.persistence.lock.timeout" value="2000"/> <property name="jboss.as ... this case? 

Could you please clarify how we could avoid it? This has really locked our work

EntityManagerFactory Fails To Swtich Over To Slave When Master Is Unavailable

="." mode="write" />                 <locking version-check="true" />                 <processing cache ... ="all" />                 <locking version-check="true" />                 <processing cache="64mb" max-threads="10

Deadlock, if two threads try to close an entity manager

. The profiling info does not include lock and deadlock information. support Support Unfortunately we have not ... is closing the EntityManagerFactory that owns that EntityManager. Both threads require locks

ODB IndexActivation NullPointerException

again that we run into a dead lock Maybe the additional picures of the thread states can help: btc_es BTC ... Support We run still into a dead lock. I adding a few screenshots and I hope it help you to find/solve

Replication issue, Replayer failing due to NullPointerException.

" sync="false" path="." mode="write" /> <locking version-check="true" /> <processing cache="64mb ... enabled="true" sync="false" path="." mode="write" /> <locking version-check="true" /> <processing

ObjectDB 2 JDO Manual

. Its lack of true (before commit) pessimistic locking is something I miss, for example, and it to some ... capabilities are quite small for most users, and in some of them JPA is better (e.g. in locking, as

ObjectDB 2.7.6

(no enhancement) by minimising tracking backups. Improved concurrency by using lock free Synchronization (issue #2327). Fixed a regression optimistic lock exception bug (due to fix of issue #2280). Fixed

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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