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8

500Mb ObjectDb database opening issue

500Mb ObjectDb database opening issue
8

Is there an update on running ObjectDB purely in-memory?

:     <database>       <extensions drop="temp,tmp" memory="mem,memory" />     </database> Any database ... below one in objectDb.conf file   <database>       <extensions drop="temp,tmp" memory="mem,memory
8

EntityManagerFactory Fails To Swtich Over To Slave When Master Is Unavailable

" />                 <extensions drop="temp,tmp" />                 <!-- <activation code="XXXX-XXXX-XXXX-XXXX ... " />                 <query-cache results="32mb" programs="500" />                 <extensions drop="temp,tmp
8

Unable to execute update query

;drop");         EntityManager em = emf.createEntityManager();                 em.getTransaction ... .createEntityManagerFactory(                         "objectdb://localhost/test.tmp;drop", settings
8

Remove a modified entity cause an optimistic lock exception

(                 "objectdb:$objectdb/db/test.tmp;drop");         EntityManager em = emf.createEntityManager ... ) { EntityManagerFactory emf = Persistence.createEntityManagerFactory( "objectdb:$objectdb/db/test.tmp;drop
8

Replication error on slave restart

" /> <query-cache results="32mb" programs="500" /> <extensions drop="temp,tmp" /> </database ... " />   <extensions drop="temp,tmp" /> </database> <entities>   <enhancement agent="false" reflection="warning
8

Replication issue, Replayer failing due to NullPointerException.

" /> <extensions drop="test,testing" /> </database> <entities> <enhancement agent="true" reflection ... " /> <extensions drop="test,testing" /> </database> <entities> <enhancement agent="true
8

Remove an entity which attributes were changed - OptimisticLockException

(                 "objectdb:$objectdb/db/test.tmp;drop");         EntityManager em = emf.createEntityManager ... .createEntityManagerFactory(                 "objectdb:$objectdb/db/test.tmp;drop");         EntityManager em = emf
1

Schema-Update: Rename superclass and remove one subclass

.createEntityManagerFactory("objectdb:test.tmp;drop"); EntityManager em = emf.createEntityManager ... (String[] args) { // no drop - reuse the existing file EntityManagerFactory emf = Persistence
1

New entity objects are duplicated on merge cascading

:$objectdb/db/test.tmp;drop");                 EntityManager em = emf.createEntityManager ... {     public static void main(String[] args) {         String $connection = "objectdb:db/test.tmp;drop

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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