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locks on pure query activities

" /> <url-history size="50" user="true" password="true" /> <log path="$objectdb/log/" max="8mb" stdout ... name="*" level="info" /> </general> <database> <size initial="256kb" resize="256kb" page="2kb

Performance tuning, best practices

" /> <network inactivity-timeout="0" /> <url-history size="50" user="true" password="true" /> <log path ... /" retain="90" /> <logger name="*" level="info" /> </general> <database> <size initial="256kb" resize

Criteria Query results in a NoResultException instead of returning object

()));     criteria.where(predicates.toArray(new Predicate[predicates.size()])); return em.createQuery ... ")); criteria.where(predicates.toArray(new Predicate[predicates.size()])); return em

Compress ODB file with XML content

Harman company requested to reduce ODB size as much as possible after database created and one of unliked solution was to use ZIP/UNZIP after/before use object DB database. Harman would like to ask ... size up to 50 times. Additional info: https://www.objectdb.com/issue/23 Harman Alexander Golyshkin

ObjectDB Enincompatible with Quarkus?

-timeout="0" /> <url-history size="50" user="true" password="true" /> <log path="$objectdb ... /" retain="900" /> <logger name="*" level="trace" /> </general> <database> <size

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

="64mb" />   <network inactivity-timeout="0" />   <url-history size="50" user="true" password ... >   <size initial="131072kb" resize="131072kb" page="2kb" />   <recovery enabled="true" sync

Sort of very large objects - out of memory

creation time and priority The message size should be around 1mb so I think there should be around 11mb ... section is below for reference. <database> <size initial="256kb" resize="256kb" page="2kb

Unable to stop server after starting in SSL mode

="$objectdb/temp" threshold="64mb" /> <network inactivity-timeout="0" /> <url-history size="50 ... " /> </general> <database> <size initial="256kb" resize="256kb" page="2kb" /> <recovery enabled

NullpointerException when execute a commit

.objectdb.o.IVP.l(IVP.java:148) at com.objectdb.o.IVP.k(IVP.java:130) at com.objectdb.o.ISP.size(ISP.java ... .ISP.size(ISP.java:164) at com.objectdb.o.CLT.visitRefs(CLT.java:156) at com.objectdb.o.TVS.j(TVS.java

Schema-Update: Rename superclass and remove one subclass

", RenamedSuperClass.class); List<RenamedSuperClass> result = q.getResultList(); System.out.println("size: " + result.size()); We get an exception: [2016-11-14 12:48:56 #1 *] java.lang.NullPointerException

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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