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8

How force always recreate database on redeployment.

Is there some easy way to force recreation/deletion of the current database on deployment of a web ... the server, delete the database file, re-start the objectdb server, re-run the web app, which is tedious ... to force ObjectDB to always delete or empty the database file on startup ? webel Dr Darren Kelly
8

The server cannot start in CentOS

.0.254,127.0.0.1" admin="true">    <dir path="/" permissions="access,modify,create,delete ... ,modify,create,delete">     <quota directories="5" files="20" disk-space="5mb" />    </dir>   </user ... ="access,modify,create,delete" />                 </user>                 <user username="$default
7

Database(*.odb) file size on disk

us something about how the deleting of entities affects the size of *.odb files on disk? -Will the released ... a small test, in which we create and delete entities. It looks like that the released memory ... reuses space of deleted objects but the database is never resized to a smaller file. Currently
7

Failed to synchronize replicated database

suppose that we can harmlessly delete all recordings when ODB Server is offline, and it will create new ... to the basepoint and deleted later to save disk space? thamal Tomas Hamal The recording files ... still? It doesn't seem to me as a good practise, so I would rather delete all transactions and create new
7

Record is not clearing properly on remove

I have a entity Agent which is one-to-many relationship with entity AgentGroup but when i delete ... Manoj Kumar Maharana You have to remove it from the collection and then delete it. Alternatively ... side and the agent group as the mapped by side, you just have to delete the owner object in the relationship
7

Soft Reference Object Cache Recommendation

when the JdoBlob2 gets deleted. I use JavaVirtualVm to look at my application heap to see the references to the byte ... , leaving the newer ones in the cache, such as delete 1/2 of the list, the older ones, for each ... that if I delete the JdoBlob2 via persistenceManager.deletePersisted(jdoBlob2) then the memory gets
7

impossible to drop a table with 50 million objects

when trying to execute in explorer (max heap size 1GByte) delete from LogEntry l it comes ... Zwicker This may be because the transaction size is limited by the heap size. You can try deleting these objects in batches, using several transactions, each transaction will delete the results
7

ArrayIndexOutOfBoundsException

and then to fix it. If it doesn't help - you may have to delete that specific entity object to make ... and immediately after a create, update or delete operation the DB throws these errors again. I tried ... the doctor the same behavior was experienced. I then tried to delete the DB and create it from
1

ClassCastException: com.objectdb.o.SLV cannot be cast to com.objectdb.o.RSV

.ObjectCacheDB.delete(ObjectCacheDB.java:356) at com.ysoft.cache.objectdb.ObjectCacheDB.delete(ObjectCacheDB.java:347) at eu.ysoft.safeq.ors.CacheDBWrapper.delete(CacheDBWrapper.java:73) at ysoft.sqcore
1

Exception Failed to read from file

.ysoft.cache.objectdb.ObjectCacheDB.delete(ObjectCacheDB.java:356) at com.ysoft.cache.objectdb.ObjectCacheDB.delete(ObjectCacheDB.java:347) at eu.ysoft.safeq.ors.CacheDBWrapper.delete(CacheDBWrapper

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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