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ObjectDB 2 JDO Manual

The new ObjectDB Manual describes how to use ObjectDB 2 with JPA. An additional manual that focuses on using ObjectDB 2 with JDO can help JDO users. But since writing a new manual and then maintaining two similar manuals, one for JPA and the other for JDO requires sufficient effort, this will be done only if there is sufficient demand.  ... 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 ...

 
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problem with lazy loading - unittest project attached

hi, i'm still testing objectdb together with spring-data-jpa. i made a test which should simulate 4 requests 1. save entity 2. read an existing entity, add onetomany relation 3. read an existing entity, add another onetomany relation 4. read entity, get relations. i have the feeling this is not the optional way to test this, because of the differnt transaction behavior. the test is not transactional, but the spring repository methods are. ... 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 ...

 
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com.objectdb.o.InternalException: java.lang.ArrayIndexOutOfBoundsException: null:

The following error appears under and extended persistence context, and with creation, configuration and wiring code that is known to work perfectly with EclipseLink+Glassfish: SEVERE: Unexpected internal exception ... 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 ...

 
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Speed of queries that return many objects

Hi, I have a DB of 146MB - with 1_000_000 elements. Loading the contents (objectDB query in java) takes about 10sec. I am using a recent MacBook (SSD blabla - disk I/O speed is about 400MB/sec - according to blackMagicTest app for mac) - so I was expecting the query to take less than one sec (146/400 = 0.35sec.. + some overhead). I was wondering if this kind of speed is "normal", or if this is something I should investigate. Thanks EKK ... 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 ...

 
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Issue with Casting / Joins

Hi I can't seem to find my way out of this. Basically what I have is something like: ... 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 ...

 
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Type ... is not defined as an entity (@Entity is missing) (error 302)

Hello, I am using ObjectDB 2.2.8_08 with eclipse 3.6 and Groovy objects. I am attempting to persist an instance of CultureRqst in the project com.epimss.lab by using a Connection class imported from the project com.epimss.admin.   I can access the database OK, but attempting to persist the CultureRqst leads to the following exceptions: ... 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 ...

 
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Error during closing an entity manager

Hello, can you explain the the following exception? Caused by: com.objectdb.o._PersistenceException: Failed to read the value of field field com.btc.ep.architecture.bl.internal.dmos.types.NormalizedAccessPathImpl.accessPathRoot using reflection at com.objectdb.o._PersistenceException.b(_PersistenceException.java:45) ~[na:na] at com.objectdb.o.JPE.g(JPE.java:145) ~[na:na] at com.objectdb.o.ERR.f(ERR.java:56) ~[na:na] at com.objectdb.o.OBC.onObjectDBError(OBC.java:1560) ~[na:na] at com.objectdb.o.OBM.close(OBM.java:212) ~[na:na] ... 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 ...

 
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java.lang.NullPointerException when using ORDER BY

We are using ObjectDB 2.5.1_04. The following query causes an internal null pointer exception: SELECT r FROM RecordingMetaData AS r WHERE ((r.mapToCli != '192.168.10.200:9085' AND r.callDirection == 0)) ORDER BY r.startDateTime DESC If we remove the ORDER BY part, the query completes OK and returns the records from the DB, but obviously not in order. Here is the stack trace of the exception: ... 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 ...

 
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Saving custom list which implements java.util.List fails

Hi, I'm evaluating ObjectDB for storing Objects modeled with Eclipse Modeling Framework (EMF) and encountered the following problem:   I took the Point-example from the tutorial and added a list-attribute which is declared as java.util.List but the actual Object MyList just extends ArrayList as shown below. ... 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 ...

 
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Closed EntityManagerFactory after upgrading glassfish 3.1.1 to 3.1.2

Hi. I have faced a very serious issue. After upgrading the GlassFish server from 3.1.1 to 3.1.2 this error appears:   ... 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 ...