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Potential ObjectDB bug

Hi, do you know is this error an objectDB bug #1 2017-02-03 14:33 Hi, do you know is this error an objectDB bug 2017-01-25 20:26:19,978 SEVERE [com.vaadin.server.DefaultErro ...

 
manual

Query Parameters in JPA

Explains how to use parameters (named parameters and ordinal parameters) in JPA queries. Query parameters enable the definition of reusable queries. Such queries can be executed with different parameter values to retrieve different results. Running the same query multiple times with different parameter values (arguments) is more efficie ...

 
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EntityManager.refresh takes a long time

EntityManager.refresh takes a long time for entity object Person in this code: #1 2013-08-08 15:21 EntityManager.refresh takes a long time for entity object Person in this code: logger. log ( ...

 
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ArrayIndexOutOfBoundsException at com.objectdb.o.ALS.c(ALS.java:89)

Hi all, I have created a packet grabber using JNetPcap. It creates a scala actor (java thread) for every packet grabbed which connect to an OpenDB database to add or update relevant entry's. Everything works fine until packets arrive with a time difference in the order of microseconds. Every scala actor opens a connection to the database, does what it needs to do, and then closes the connection. Something like: #1 2011-05-11 08:24 Hi all, I have created a packet grabber using JNetPcap. It creates a scala actor (java thread) for every ...

 
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Error when using Object DB Java Agent

Hello! We are using the Java Agent while developing our application because it's not possible to tell IntelliJ to enhance the classes after compiling them. Without enhancing it's painfully slow. So we are using the agent as a workaround while JetBrains is investigating the issue. Our production code is built with maven and the classes are compile time enhanced. With the agent we have a problem. In a couple of our projects this exceptions gets thrown when we initialize logback: #1 2015-05-15 12:55 Hello! We are using the Java Agent while developing our application because it's not possible to tell ...

 
issue

[ObjectDB 2.2.6_02] Unexpected exception (Error 990) at com.objectdb.o.OBC.aJ(OBC.java:961)

I was experiencing an exception so I did a test to reproduce it.   here it is. Bug Version: Priority: Normal Status: Fixed Replies: 1 Type:  Bug ...

 
issue

GC Memory

Hi there, I was hoping to get some support on ObjectDB regarding memory usage.  I received the following error.  Context for the error is found below. [2015-04-27 13:16:18 #20 server] Bug Version: 1.04 Priority: Normal Status: Closed Replies: 1 Type:  Bug ...

 
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Failed to write the value of field using reflection (error 363) on LAZY fetch

Hi There I am using ObjectDB 2.6.3. I get the following Exception when I try to read my entities with a query where I have set to use LAZY initalization. It fails when it tries to set a 1:n member (e.g. a Modell has several Artikels) . When I remove the LAZY hint on the query execution it works. Any hints why this can happen? The Mapping of class Modell and its member: #1 2015-12-18 17:42 Hi There I am using ObjectDB 2.6.3. I get the following Exception when I try to read my entities with a query whe ...

 
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Field not persisted in abstract class with two level of nesting

Hi, I have a field (embedded TZ1) which is not persisted in class MHD1 (TZ1  extends AS and AS extends ATT). But it seems to work fine when I skip the AS and make TZ2 extend directly from ATT. Here is an example code MHD1 #1 2014-06-18 12:52 Hi, I have a field (embedded TZ1) which is not persisted in class MHD1 (TZ1  extends AS and AS  ...

 
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On initialisation of lists: impact on migration from EclipseLink to ObjectDB

I would like to draw the attention of those assessing migration from EclipseLink ORM to ObjectDB to a significant difference in the initialization of persistent lists, namely that EclipseLink injects a List implementation into the List field to be initialise it during EntityManager.persist(). So in EclipseLink the following works: public class HasListOfBlocks { .. #1 2011-06-01 18:39 I would like to draw the attention of those assessing migration from EclipseLink ORM to ObjectDB to a significant ...