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1

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 ... it should work. Anyway, = is more efficient than equals, and equals is not JPA portable. I just read
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1

newbie - lots of exeptions

afterCompletion() callback: [ObjectDB 2.4.4_06] javax.persistence.PersistenceException Failed to read ... ) at java.lang.Thread.run(Thread.java:722) Caused by: com.objectdb.o.UserException: Failed to read
Issue
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NullPointer when accessing entity field

but not during reading/writing to objectdb. The issue occurs just once during our test ... concurrently by more than one thread? We are using EntityManagers in following way: for single read/write
Issue
1

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

but one corrupt instance is still included). I error happens when reading the field "Event.participants ... issue with the database file (before deleting all other entities of type "Event" I could not read
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1

ObjectDb Supports Clustering of Servers?

. You can use it for a cluster of database servers, with one read / write master and several read
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1

One transaction or two?

and adds into separate transactions? I think I remember reading in another forum post ... . Since you are asking about add/remove operations rather than read operation (in which the L1 cache is important
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1

Open several objectdb databases the same time

:257) ... 4 more Is it possible to open object db files in read only mode from several application ... -server connections. What about database access performance (read/write speed) after re-configuring open
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1

OutofMemory error with Object DB 2.0

of 1024MB, I get this error. The application reads xml file of around 1GB and creates a new odb file ... the transaction for every 200 records (reads from xml and persists to odb) The PersistenceManager
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package.jdo validation error (Connection timed out)

HI, I am trying to read the odb file generated using objectdb 1.0. Using converter.jar, i converered to new objectDB file and then was trying to read the file and i got the following exception. com.objectdb.o._JdoUserException: Failed to validate xml file \RTDLogger.jar#package.jdo
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1

Problem to use find method on an abstract Class: AbstractMethodError is thrown

of "Guestbook.war" 08:17:23,103 INFO [org.jboss.as.jpa] (MSC service thread 1-4) JBAS011401: Read ... : Read persistence.xml for paltzefomat-pu 08:17:23,183 INFO [org.jboss.as.ejb3.deployment.processors