Fast Object Database for Java - with JPA/JDO support

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Shrinking Database Files

never shrinks when large number of objects are deleted and the only way to reclaim that space ... context to propose an answer.) CBE CBE ObjectDB reuses space of deleted objects but the database
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Connection is closed Caused by: java.io.EOFException

.0.0.1" admin="true"> delete">
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each 1-2 days objects on some objectdb level lock/block each other

="admin" password="admin">
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significant performance decrease

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Use temporary files to enable very large transactions

? What combination of DELETE / INSERT / UPDATE operations are in that huge transaction? Can we assume ... in the transaction? The total size is principle unlimited. What combination of DELETE / INSERT
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NullPointerException in __odbGetNumMember

Hi, When deleting an entity "Mitglied" -> everything works fine. Trying to delete another one (in a separate transaction) always causes a NullPointer Exception in __odbGetNumMember line 1 of the enhanced Mitglied class. I am unable to replicate it in a simple testcase but it always happens in
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Objectdb Doctor

Hi, I have deleted an instance of ClassA. However, if I try to access ClassB, which has a field of type ClassA, ClassB.classA, then, rather than getting a null pointer for classB.classA, I ... /deleted from the databases - it is the application responsibility to clear any references to them from
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Replication issue, Replayer failing due to NullPointerException.

There isn't too much else useful in the log, i've tried deleting all the DB files on both sides ... ">
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[ObjectDB 2.4.1] Unexpected exception (Error 990) on getObjectById

itself in a scenario when all the database records had been deleted in a successful transaction ... what you are trying to retrieve just after deleting all the objects from the database. The following test program
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Undeployment of an remote Glassfish application locks objectdb log file

that the WebApplication is still there. If you try to manually delete the folder, you will get an "Folder in use ... can delete the folder. The locked file problem does not exist if I deploy the WebApplication

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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