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Problem Using Reflection

. Warble The exception is thrown for an entity class that is expected by ObjectDB to be enhanced but actually it is not. Similar exceptions are thrown when hierarchy of classes is partly enhanced (you have to enhance all the classes in an entity inheritance path or none). If you do not use enhancement

Retrieval by Access bug?

? Note that you should enhance all your classes. Partial enhancement is not supported. In addition, if you use reflection mode (i.e. no enhancement) you should try enhancing your classes, since enhancement improves ObjectDB ability to fetch objects when needed. support Support

NullPointerException while setting a new property value

Hello, we are using ObjectDB version 2.4.4 and we are unable to resolve following NPE on enhanced ... enhancement (i.e. rebuilding the project and enhancing all the classes may solve the problem), or ... forgot to mention we are using ObjectDB in embedded mode. Enhancing was made successfully without any

pesimistic Lock semantic

that you should have a problem if you run this code without enhancement. JDO (unlike JPA) requires enhancement to function properly. With enhancement - the picture will be locked for WRITE by pm1 and exception ... (when enhancement doesn't work from any reason) - the picture will be locked only for READ by pm1

Log4j error

Hi, We are using OBjectDB OEM Enhancer as part of our build process and we encountered following log4j error: compile: [echo] Start enhancement of ORS entities for use in ObjectDB [java] log4j:ERROR ... /faq.html#noconfig for more info. [java] [ObjectDB 2.5.0_06 OEM Enhancer] [java] 36 persistable types

Error 363 - Failed to read value of inverse relationship

enhanced method (error 362) at com.objectdb.jpa.EMImpl.beforeCompletion(EMImpl.java:338) at com.sun ... .um.fcsit.jpa.entity.Guest.phoneList using enhanced method at com.objectdb.o.MSG.d(MSG.java:74) at com ... Zoltán Farkas Apparently the problem happens only with non enhanced classes. Your test

Error when using Object DB Java Agent

to tell IntelliJ to enhance the classes after compiling them. Without enhancing it's painfully slow ... code is built with maven and the classes are compile time enhanced. With the agent we have a problem ... .objectdb.o.JEW.aG(JEW.java:185) The Enhancer has to load referenced classes for this calculation

Activation license not picked up in Jenkins

:33 #1 enhancer.agent] Enhancer Agent started. [2020-09-03 22:03:33 #2 enhancer.agent] Starting Enhancer Agent [2020-09-03 22:03:33 #3 enhancer.agent] JVM: 1.8 [2020

ClassCastException during query

of the class known at the enhanced class com.btc.ep.vector.tc.internal.dmos.TCSignal). Please verify ... which is an enum and caused the class cast exception must be also enhanced. I moved the enum to an entity package whose entities become automatically enhanced. Thank you for your help. best regards

Use temporary files to enable very large transactions

persisted 10.000 entities. btc_es BTC EmbeddedSystems Do you use enhanced classes? If not, could you please run again with enhanced classes? support Support Just we have tested by usage of enhanced classes ... >                 <enhancement agent="false" reflection="ignore" />                 <cache ref="weak" level2="0

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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