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locks on pure query activities

analyzing the dynamic behavior we can see from the thread dump that a lot of our threads that are just doing simple queries show locks like these (question is: why there are locks and how could we get rid of that):   log1:   #1 2017-04-28 09:28 analyzing the dynamic behavior we can see from the thread dump that a lot of our threads that are just doing simp ...

 
forum_thread

java.sql.Date equals comparison not working with CriteriaAPI

Hello, Using ODB 2.4.5 and the Criteria API, doing a simple equals comparison with java.sql.Date value doesn't match any results in the database. Our code looks like this: ... i.e. if the following lines in the above test case are removed: cal. set ( Calendar. HOUR_OF_DAY , 0 ...

 
forum_thread

Apache Tomee 1.5.2: Failed to use JTA (TransactionManager is not found)

Hello, ObjectDB team! I am struggling with getting ObjectDB 2.5.0 to work with clean Apache Tomee 1.5.2 with transaction-type="JTA". I don't have any configurations in Tomee (objectdb.jar is in Tomee's classpath) nor other parts, excepting the following persistence.xml: #1 2013-05-20 21:55 Hello, ObjectDB team! I am struggling with getting ObjectDB 2.5.0 to work with clean Apache Tomee 1.5.2 w ...

 
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. Bug Version: 2.0.5 Priority: Critical Status: Fixed Replies: 6 Type:  Bug ...

 
issue

InternalException

  ... you changed the persistent model recently (e.g. added / removed a persistent field)? Currently schema changed require restarting the ...

 
forum_thread

@ElementCollection of type enum

Hi! I have in an entity called User with the following field: @ElementCollection(fetch = FetchType.EAGER) private Set<UserPermission> permissions; package x.x.x.x public enum UserPermission { BASIC, COACH, ADMIN } Use case: there are users which contain the first 2 permissions (BASIC and COACH, so the first 2 entries). #1 2014-02-04 15:03 Hi! I have in an entity called User with the following field: @ElementCollection(fetch = FetchType.EAGER) ...

 
issue

com.objectdb.o.InternalException

No idea what happened.  A simple getResultList() opearation. DB table affected size is ~ 26000 records, physical DB file size is ~ 8.5MB Thanks for any help ! Leon log file: ------------------------------------------------------------------------------------------------------------------------ [2016-07-13 19:58:12 #1 store] Database '/home/gsi/wdsync/db/Media_wdsync.odb' is opened by 12659@server ... with limited ressources. In the meantime I removed other JVMs running in parallel and made some optimizations and the ...

 
forum_thread

Spring MVC Errors

I try to import the project from the tutorial but when doing so I get errors: 1. http://i.imgur.com/tbIsj.png and then when I try to start it anyways I get things like thaat: 2. http://i.imgur.com/G7UVu.png any ideas ? I installed m2eclipse plugin and Maven Integration for WTP and then I import Maven project from disk and this is what I get ... ;( #1 2012-08-04 16:54 I try to import the project from the tutorial but when doing so I get errors: 1. http://i.imgur.com/tbI ...

 
forum_thread

Bug when posting threads with Firefox 34.0.5

... The issue is no longer here but I'm not sure why. I removed a bunch of my firefox add-ons and the issue resolved itself. I tried to ...

 
issue

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.   Documentation Version: 1.04 Priority: Normal Status: Active Replies: 8 Type:  Documentation ...