About relation

forum_thread

explorer NullPointerException

I studied ObjectDB a few hours ago and got some problems when use explorer . I run it and right-click in 'Open local database' window,and the all the pop menu item is gray and disabled,such as ‘new database’,'new directory','cut','copy' ... if I click 'tools---oprions' before open database, the errot I got is: [2012-05-21 09:51:11 #1 explorer] java.lang.NullPointerException at com.objectdb.o.CNC.p(CNC.java:253) at com.objectdb.o.EHL.d(EHL.java:55) at com.objectdb.o.VPN.(VPN.java:60) at com.objectdb.o.OPD.(OPD.java:69) at com.objectdb.o.OPD.(OPD.java:42) #1 2012-05-21 01:22 I studied ObjectDB a few hours ago and got some problems when use explorer. I run it and right-click in & ...

 
forum_thread

JPA - ExceptionInInitializerError when creating EntityManager

EntityFactoryManager(emf) is successfully received but error at emf.createEntityManager Please see my code of fragment from my project. public class Main {        final private static Properties EMAIL_PROPS;      final private static String EMAIL_FROM;            static {  EntityManagerFactory emf = javax.persistence.Persistence.createEntityManagerFactory("tmpCLMSPU");  #1 2014-12-09 04:14 EntityFactoryManager(emf) is successfully received but error at emf.createEntityManager Please see my code of ...

 
forum_thread

Soft Reference Object Cache Recommendation

(Trying again.  Last post, ~50 minutes to compose, failed, possibly due to an attachment upload size limit being exceeded before the post attempt.  =(  ) #1 2016-10-24 15:15 (Trying again.  Last post, ~50 minutes to compose, failed, possibly due to an attachment upload size limit b ...

 
issue

[ObjectDB 2.5.5_03] Unexpected exception (Error 990)

Hello! When I run this query SELECT t FROM Unit t WHERE t.lastGeocodedPosition IS NULL OR t.lastGeocodedPosition.receiveTime < :lastGeocodedPosition.receiveTime I get the following exception: Bug Version: Priority: Normal Status: Fixed Replies: 9 Type:  Bug ...

 
manual

Auto Generated Values

Explains the different strategies for generating auto values (mainly for primary key fields) in JPA. Marking a field with the @GeneratedValue javax.persistence.GeneratedValue JPA annotation Provides for the specification of generation strategies for the values of primary keys. See JavaDoc Reference Page... annotatio ...

 
forum_thread

Tomcat + JPA Problem

Hi i tried to setup the example from your webpage (jpa - Tomcat with Ecplipse) and i always get this Error: [ObjectDB 2.1.0] class "javax.persistence.Entity"'s signer information does not match signer information of other classes in the same package   #1 2011-03-07 19:06 Hi i tried to setup the example from your webpage (jpa - Tomcat with Ecplipse) and i always get this Error: ...

 
issue

Null pointer exception being thrown from within ObjectDB.

EXCEPTION/DESCRIPTION: Bug Version: 1.04 Priority: Normal Status: Active Replies: 1 Type:  Bug ...

 
forum_thread

Homepage and forum nearly inaccessible

#1 2014-05-17 09:24 Homepage and forum nearly inaccessible from France/Germany, takes minutes to react. ...

 
forum_thread

NullPointerException in ENH.g(ENH.java:401)

Hi, I experience a NullPointerException inside the objectdb code with the following stacktrace: #1 2016-09-07 12:20 Hi, I experience a NullPointerException inside the objectdb code with the following stacktrace: Exc ...

 
issue

ClassCastException thrown when running count query

Hello! Attached you find a full stacktrace. The query was: Bug Version: Priority: Normal Status: Fixed Replies: 6 Type:  Bug ...