About modify

issue

Database access error , Doctor hanging on trying to repair, production shutdown at our biggest customer

we have a database shutdown, logs are showing: [2017-07-10 21:07:23 #1 store] Database 'F:\Hummingbird\Objectdb\db\coreSystemDb.odb' is opened by 11028@wzbhb101 [2017-07-10 21:07:23 #2 server] Server on port 3333 has started by 11028@wzbhb101 [2017-07-14 07:08:38 #3 store] SectionClassifier: SectionClassifier{2->merger[2699]-missing:1} [2017-07-14 07:09:08 #4 store] SectionClassifier: SectionClassifier{2->merger[2699]-missing:1} Bug Version: 2.7.1 Priority: Normal Status: Closed Replies: 15 Type:  Bug ...

 
forum_thread

Corrupted Database or error in ObjectDBExplorer?

Hello, we have problems when we open our Database file with the ObjectDB-Explorer (2.6.8_b8). Can you analyze the problem and tell us if its a problem of the explorer or a real problem in the Database-File? An analysis with the DB-Doctor found no problems.   We observe the error if we try to open the Tree or Table Window for com.btc.ep.analysis.test.bl.internal.dmos.RequirementBasedTestCaseImpl  (its the 9th entity)   #1 2016-10-28 13:20 Hello, we have problems when we open our Database file with the ObjectDB-Explorer (2.6.8_b8). Can ...

 
forum_thread

OutofMemory error with Object DB 2.0

Hi, I am getting the below OutOfMemoryError after I have migrated from objectdb 1.0 to 2.0 The application works with 256MB heap size with objectdb 1.0  But on 2.0 even with max heap size of 1024MB, I get this error. The application reads xml file of around 1GB and creates a new odb file and inserts 200 records at a time. ... <dir path = "/" permissions = "access,modify,create,delete" /> </user > <user ... <dir path = "/$user/" permissions = "access,modify,create,delete" > <quota directories = "5" ...

 
issue

ArrayIndexOutOfBoundsException with enhanced Entity

Hi! ... of different errors (NullPointerException, Attempting to modify a primary key of a managed object etc etc.). However It seems to happen ...

 
forum_thread

Multitenancy with discriminator

Hello, I have a very large business application that makes use of the Hibernate "Filters" feature and of the EclipseLink "Single Table Multitenancy with discriminator" feature in order to implement entities filtering based on a discriminator. Here is an example of one of my business objects: public class BusinessPartner {     protected String id;     protected Domain domain;     ... } #1 2015-02-19 09:32 Hello, I have a very large business application that makes use of the Hibernate "Filters" feature and ...

 
issue

JQL-Update Queries fails with activated L2-Cache

When using JQL-Update Queries it is basically not working without calling entityManager.clear() after a transaction commit. When the clear() method isn't called the entityManager will never return a container the updated Entities. Scenario 1: Disabled L2 Cache, updating elements using UPDATE-Query and fetching Entities afterwards from database. Expected result: Getting changed Entities from database - Actual result: No changes are visble. Bug Version: Priority: Critical Status: Closed Replies: 1 Type:  Bug ...

 
tutorial

Step 3: Define an EJB Session Bean

Explains how to define an EJB session bean in an Eclipse Java EE 6 web application. Operations on the database will be performed by an instance of a session bean (EJB) class that we will define in this step: Open the [New Java Class] dialog box by right clicking the guest package node (in the [Package Explorer] window) and selec ...

 
tutorial

Step 3: Define an EJB Session Bean

Explains how to define an EJB session bean in a NetBeans Java EE web application. Operations on the database will be performed by an instance of a session bean (EJB) class that we will define in this step: Open the [New Session Bean] dialog box by right clicking the guest package node (in the [Projects] window), sel ...

 
manual

Entity Management Settings

Explains settings and performance tuning of JPA entities in ObjectDB, the fast Java object database for JPA/JDO. The < entities> configuration element specifies front end settings that are relevant on the client side and in embedded mode. The default configuration file contains the following <entities> element: <entities ...

 
forum_thread

locks on pure query activities

analyzing the dynamic behavior we can see from the thread dump that a lot of our threads that are just doing simple queries show locks like these (question is: why there are locks and how could we get rid of that):   log1:   ... <dir path = "/" permissions = "access,modify,create,delete" /> </user > <user ... <dir path = "/$user/" permissions = "access,modify,create,delete" > <quota directories = "5" ...