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4

getting "Unexpected total page count" error when diagnosis mu db by ObjectDB doctor.

(abnormally) during a writing action, and recovery is not applied. However, it doesn't mean necessarily
4

How to package orm.xml when using EJB in WAR?

, and a singleton annotated with @Startup can access the database OK for both read and write
4

Embedded and autosync

this architecture, write operations have to be directed to the master, where read operations can be directed
4

Size of recording directory keeps growing

to the "write" mode. ObjectDB does not purge old recording files. However, you can delete old odr files
4

UPDATE query to set a new field after schema change

updated. This should be fixed in future versions. The workaround is to write some code (even in
4

Vacuum - Reclaiming Unused Space In Odb

to do this other than manually implementing code to read, delete, and write to a new odb
0

Unexpected exception (Error 990) - NullPointerException

doesn't show up on the log of the client code. I just found out about the null pointer by writing
0

Error reading UTF string (Serialized Objects in Explorer)

after retrieving the BeitragVertragArt class, changing some fields and writing it back? The fix in _14 fixes
0

ODB Doctor Stops Progressing (runs forever)

had operations resize. It didn't have write permissions; permission added and ODB Doctor is working. Thank you! Please close the ticket. CJMoore Clinton Moore
0

queries under 2.7.6_4 significantly slower than under 2.7.6

. The [[...]] format for hints is only in the Explorer. In the code you can write:     query.setHint("objectdb

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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