About failure

manual

Detached Entity Objects

Explains detached entity objects and how to work with detached objects in JPA, including merging them into an EntityManager.... to the database. See JavaDoc Reference Page... failure. Explicit Merge Detached objects can be attached ...

 
issue

Error 990 when querying a class with persistence-capable-superclass

[ObjectDB 2.4.7_07] Unexpected exception (Error 990) Generated by Java HotSpot(TM) Server VM 1.7.0_10 (on Linux 3.2.0-39-generic-pae). Please report this error on http://www.objectdb.com/database/issue/new com.objectdb.o.InternalException: null com.objectdb.o.InternalException at com.objectdb.o.InternalException.f(InternalException.java:236) at com.objectdb.o.STA.K(STA.java:339) at com.objectdb.o.ENT.D(ENT.java:533) at com.objectdb.o.ENT.M(ENT.java:681) at com.objectdb.o.LDR.F(LDR.java:589) at com.objectdb.o.LDR.E(LDR.java:466) ... Could it be because of the superclass, as I guessed? Or a failure of run-time enhancement? RDBMS-based JDO/JPA implementations use a ...

 
issue

ODB Doctor Stops Progressing (runs forever)

Hi, ... to install JDK on the system for Jstack, I hit a failure to a permissions error on the /tmp directory I just had operations ...

 
forum_thread

Failing to read entities under load in multithreaded tests

Hi, We are experiencing an issue in our application that only occurs under load - we sometimes fail to read entities from the database. #1 2012-03-17 08:11 Hi, We are experiencing an issue in our application that only occurs under load - we sometimes fail to re ...

 
issue

Null pointer exception being thrown from within ObjectDB.

EXCEPTION/DESCRIPTION:... "background-color:#00ff00;" > /* *****POINT OF FAILURE***** */ </ span > reportDownloadObjects = < ...

 
forum_thread

Project runs in Eclipse but not when exported to runnable jar

I have a simple project that performs some stability calculations and displays a scale drawing of a model glider. I decided to use objectdb as a way to persist the values for later retrieval. The project works perfectly well when run from eclipse but nothing opens when I export to a runnable jar and execute that. No windows open, there are no eror dialogs etc. Commenting out all the code related to object db resolves the issue and the project runs, so I'm fairly sure it is something I've done relating to objectdb. ... stack trace (e.g. avoid empty catch which results in quite failure). If ObjectDB throws an exception - it should also be written ...

 
release

2.0.5

... Fixed a bug in the new log based (recording) recovery from failure mechanism. Fixed a bug in finding an entity after a ...

 
issue

Another NPE on em.createQuery(query).getResultList()

Related to #51 that was tested against 2.2.7 and marked as fixed in 2.2.8. Running the same test case against 2.2.8 now results in: ... used in the test if you can't deduce the exact failure from this. edit ...

 
manual

[ODB1] Chapter 5 - JDO Connections

The PersistenShows how to use database connections and transactions in JDO. ceManagerFactory interface represents a factory of database connections. Its main role is to provide PersistenceManager instances. The PersistenceManager interface represents a database connection. Every operation on a database requires a PersistenceManager instance. The Transaction interface represents a transaction on a database. Every operation that modifies the content of the database requires an active transaction.[toc hidden:1]... have already been propagated to the database prior to the failure) and an exception is thrown. The type of the exception is a ... If the system crashes during a commit() (e.g. power failure), and before the changes are able to be completely written to the ...

 
release

2.0.3

... Fixed a bug in the new log based (recording) recovery from failure mechanism. Fixed a bug in finding an entity after a ...