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Online Backup in client-server mode

the time that the database is locked for backup (e.g. when the connection between the client

Replication failed

" path="." mode="write" /> <locking version-check="true" /> <processing cache="128mb" max

Database Inconsistency or corruption

System.out.println("Trying to get transaction " + ov.getId()); // edit all locked objects


I'm sometimes getting this exception. Is there a simple answer to why it's occurring? (It could take some time to produce code that results in this exception reliably). Caused by: java.io.FileNotFoundException: /tmp/objectdb/tmp/objectdb_1252962966569709153/lock.lck (No such file or

ObjectDB 2.8.8

an enum optimization regression (issue #2794). Fixed a temporary files locking issue on Linux (issue #2794).

ObjectDB 2.3.1

UnsupportedOperationException error message. Fixed a pessimistic lock timeout bug (issue #520). Fixed

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

ObjectDB 2.8.7_08

Attempt to solve temporary files locking issues on Linux.

Unable to stop server after starting in SSL mode

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

ObjectDB 2.2.9

. Fixed a NullPointerException in querying an empty database. Fixed a online backup file lock problem

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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