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="." max="128mb" /> <recording enabled="false" sync="false" path="." mode="write" /> <locking version

Should I use ObjectDB and JDO?

object locking was more capable than JDO's. JPA turned out to be the right choice for me. I

config optimizing

" path="." max="128mb" /> <recording enabled="false" sync="false" path="." mode="write" /> <locking

Unable to execute update query

after the error occoured: 0 lock.lck 4,0K pages0.dat 3,8G UpdateQuery_4398.mrg 3,8G insgesamt

unable to update table in slave server database

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

Removed entities can be found by query in the same transaction

optimistic lock exception) but you may want to check if it also solves this issue. support Support

ObjectDB 2.1.0

Added Online Backup utility (issue #16). Added Master-Slave Replication / Clustering (issue #17). Added a PDF version of the ObjectDB manual (included in the download). Added sample (tutorials) Maven projects (included in the download). Added support of disabling optimistic locking exceptions

WeakRef Purge ObjectDb threads not stopping with Tomcat (in application container)

) - waiting on <68c32d6f> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove


), thus bypassing ObjectDB internal file lock protection. Modifying the database file externally not

javax.jdo.JDONullIdentityException: The identity must not be null.

more lorenz2304 Benjamin Lorenz The exception in #2 reflects a locked database file (due to a failure

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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