About browser

forum_thread

First query takes 4+ minutes to complete

Hi, we are evaluating ObjectDB 2.5.1_04 in embedded mode hoping to replace SQLite in our application. We observed that in our case it takes on average more than 4 minutes to complete the first SELECT query that we run on the DB which contains about 320,000 records of a single type of object. SQLite in comparison responds within few seconds on average with the same number of records. We hope to receive your recommendation on how to improve this result with this post.   Test System ... Use ctrl + right click to open the browser context menu in the editing area (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java ...

 
forum_thread

Dirty checking

Hi, wondering if anyone knows the best way to detect which objects have been changed in the database. ie: which objects, and which collections of objects, have been dirtied.     ... Use ctrl + right click to open the browser context menu in the editing area (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java ...

 
issue

Issue with DISTINCT Select

It is getting more and more frustrating :( We've introduced distinct select instead of regular selection in our code (no changes else) and suddenly receive invalid identifiers in queries exceptions in various queries. Here's the stacktrace: ... Use ctrl + right click to open the browser context menu in the editing area (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java ...

 
forum_thread

Glassfish 4 AbstractMethodError: com.objectdb.jpa.EMF.createEntityManager

Hi! I've been trying to get Glassfish 4 (Java EE 7) work with ObjectDB the whole day. It seems to be an error. The same code (adapted to Java EE 6) works perfect in Glassfish 3.1.2.2. I attached the samples as NetBeans projects, so that you could check easier. 1 for GF3 (6) and 1 for GF4 (7). Thanks! ... Use ctrl + right click to open the browser context menu in the editing area (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java ...

 
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} ... Use ctrl + right click to open the browser context menu in the editing area (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java ...

 
forum_thread

New to Product & Having An Issue

Greetings ObjectDB Users! I'm new to the product, and I've setup a simple test after reading the tutorial, and I'm running into some issues with queries, specifically querying by primary key.   I have a domain object class Called Department, which has a member of type DomainId.  DomainId has two member fields:  String accountId and String objectId.  The following code shows these two classes.... Use ctrl + right click to open the browser context menu in the editing area (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java ...

 
issue

ObjectDB can't be activated

Hello, we are trying to activate objectdb on a virutalized debian 7 server, but do not have any success. Steps we made to activate the server: ... Use ctrl + right click to open the browser context menu in the editing area (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java ...

 
forum_thread

Cast exception?

Somehow I am unable to persist an entity class I wrote with manual @Id. I have a small Player class and I wish to store it with user ID as the primary key. So I declared the (only) primary key field as: @Id public int uid; This is how I'm persisting the instance: ... Use ctrl + right click to open the browser context menu in the editing area (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java ...

 
forum_thread

Possible cause for "Enhancement of type ... is old and cannot be used"

We get the following log: ... Use ctrl + right click to open the browser context menu in the editing area (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java ...

 
forum_thread

ClassCastException on SELECT NEW ... after UPDATE over Java RMI

Hi, we are using ObjectDB 2.5.4_04 on Linux. Our application, which uses ObjectDb as a DB, exposes a Java RMI interface which allows remote RMI clients to run JPQL queries on the DB. The application internally runs SELECT NEW ... queries. For example: ... Use ctrl + right click to open the browser context menu in the editing area (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java ...