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significant performance decrease

;user=admin;password=admin" /> --> </server> <users> <user username="admin" password="admin"> <dir path="/" permissions="access,modify,create,delete" /> </user> <user username ... "> <quota directories="5" files="20" disk-space="5mb" /> </dir> </user> <user username="user1

com.objectdb.o.InternalException: Unexpected internal exception

WHERE _person.userName = :userName" ) I execute the query as follows: em.getMetamodel().managedType ... ("userName", name).getResultList(); I get the following exception: com.objectdb.o.InternalException

Replication error - parsing objectdb config

-type.4: Attribute 'username' must appear on element 'replication'. at com.objectdb.o.MSG.d(MSG ... more Caused by: org.xml.sax.SAXParseException: cvc-complex-type.4: Attribute 'username' must appear ... This is a bug. The username attribute was removed in the last version but the old XML schema validation

config optimizing

="objectdb://localhost/test.odb;user=admin;password=admin" /> --> </server> <users> <user username ... username="$default" password="$$$###"> <dir path="/$user/" permissions="access,modify,create,delete"> <quota directories="5" files="20" disk-space="5mb" /> </dir> </user> <user username="user1" password

locks on pure query activities

;password=admin" /> --> </server> <users> <user username="admin" password="admin"> <dir path="/" permissions="access,modify,create,delete" /> </user> <user username="$default" password ... ="5" files="20" disk-space="5mb" /> </dir> </user> <user username="user1" password="user1

Performance tuning, best practices

://localhost/test.odb;user=admin;password=admin" /> --> </server> <users> <user username="admin" password="admin"> <dir path="/" permissions="access,modify,create,delete" /> </user> <user username="$default ... directories="5" files="20" disk-space="5mb" /> </dir> </user> <user username="user1" password="user1

JPA does not seem to be db agnostic

).     public Friendship getFriendship(String username) { CriteriaBuilder criteriaBuilder ... > path = root.<String>get("username"); query.where(criteriaBuilder.equal(path, username

Performance Issues After Migrating to ObjectDB - Urgent Assistance Required

" />                 -->         </server>         <users>                 <user username="admin ... " />                 </user>                 <user username="$default" password ... >                 </user>                 <user username="user1" password="user1" />         </users

Query results are not up to date for entities, not primitives

;user=XXXXX;password=XXXXX" />   --> </server> <users>   <user username="XXXXX" password="XXXXX">    <dir path="/" permissions="access,modify,create,delete" />   </user>   <user username ... ">     <quota directories="5" files="20" disk-space="5mb" />    </dir>   </user>   <user username="user1

Replication issue, Replayer failing due to NullPointerException.

/test/backend/db/" /> </server> <users> <user username="backend" password="password" admin="true"> <dir path="/" permissions="access,modify,create,delete" /> </user> <user username ... > <users> <user username="backend-ro" password="password"> <dir path="/" permissions="access

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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