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issue

Querying error - java.lang.ClassCastException: com.objectdb.o.STV

I'm getting the ClassCastException below when querying objects. As yet I haven't been able to track down the exact circumstance in which it occurs - saving and querying objects works fine on attempts to recreate - but presumably at some point an object gets saved which objectdb doesn't like. Any pointers as to what is wrong or approaches to investigate further would be much appreciated. ... the fix by using the Doctor in diagnosis mode). Check if your application can bring the database again to a state in which ...

 
forum_thread

Filename.odb$ Persisting Issue

Hi, I seem to have a frequent issue with my Filename.odb$ remaining in my /db directory after my program terminates which prevents me from running my program again due to a persistence error thrown by Eclipse. I can't seem to manually terminate the file either. I usually have to fully close Eclipse and wait a bit for it to remove itself. Any ideas why this happens? Thanks, Dragon ... this is not something that we can solve or help with. Check the ObjectDB log file to see if every database opening is followed by ...

 
forum_thread

Should derived fields of an EmbeddedId be manually maintained by app code?

If I have an Entity which has a primary key which is derived and I am implementing it using @EmbeddedId, am I responsible for maintaining the derived fields of the @EmbeddedId? I could not find anything in the JPA 2.0 spec http://download.oracle.com/auth/otn-pub/jcp/persistence-2.0-fr-oth-JSpec/persistence-2_0-final-spec.pdf?e=1317047713&h=54831c176e81a244a4c309e13eba0b27 which tells me what to expect. #1 2011-09-26 15:26 If I have an Entity which has a primary key which is derived and I am implementing it using @EmbeddedId, am I res ...

 
forum_thread

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

We get the following log: ... objectdb-2.6.9_02 (with "objectdb.temp.no-enhancement-crc-check") vs. generic classes with interfaces: detailed investigation ...

 
forum_thread

Attempt to execute a query using a closed EntityManager

Hi again! Suddenly, my app started to throw this exception. I would really appreciate some advices. ... Please try build 2.5.1_01 that includes an additional check that may prevent reloading in that case. ...

 
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. ... heap dump. My local IT team has adviced me to to check if the ftp site is up. If I ping objectdb.com(173.212.227.26) ... mode = "write" /> <locking version-check = "true" /> <processing cache = "64mb" ...

 
manual

JPA / JDO Class Enhancer

The Enhancer is a post compilation tool that improves performance by modifying the byte code of compiled classes after compilation. ObjectDB Enhancer is a post compilation tool that improves performance by modifying the byte code of compiled classes after compilation. Enhancement is mainly for user-defined persistable classes ( entity classes , embeddable classes and mapp ...

 
manual

Query Parameters in JPA

Explains how to use parameters (named parameters and ordinal parameters) in JPA queries. Query parameters enable the definition of reusable queries. Such queries can be executed with different parameter values to retrieve different results. Running the same query multiple times with different parameter values (arguments) is more efficie ...

 
release

2.3.7

... Removed  Conflicting modifiers  validation check and error message. Version 2.3.0 Added the ...

 
issue

Issue with UPPER ?

Hi, Assuming those queries which are all the same except the UPPER calls: Bug Version: 2.3.5 Priority: High Status: Fixed Replies: 6 Type:  Bug ...