About availability

forum_thread

Problem of Enhancer with JAXB / Proxified Entity Bean.

Hello Support, I run on a prod server an objectdb java agent with my app. In this application, all my entities beans are constructed from a JAXBContext ( SOAP CXF Webservice or Direct JAXB Unmarshalling ) When i watch the objectdb log, i see pages of errors. #1 2014-05-20 15:45 Hello Support, I run on a prod server an objectdb java agent with my app. In this application, al ...

 
issue

again merger missing logs + objectdb exception

we are facing similar problems as we had before, in the log we have a lot of entries merger ... missing + an objectdb exception. Some objects in the system behave strange. This is a part of the log: ... [2017-09-26 12:16:14 #1222 store] SectionClassifier: SectionClassifier{238146996->merger[3309]-missing:1} [2017-09-26 12:16:25 #1223 store] SectionClassifier: SectionClassifier{238146996->merger[3309]-missing:1} Bug Version: 2.7.1 Priority: Critical Status: Active Replies: 28 Type:  Bug ...

 
forum_thread

Sample JDO Architecture for Follow Up Questions

I am trying to finalize on my application's JDO and ObjectDB archieture.  I have done documentation survey (reading JDO books, studying ObjectDB's documents and forum) and have designed what I think is the best architecture for my particular application usage model. #1 2016-07-25 15:26 I am trying to finalize on my application's JDO and ObjectDB archieture.  I have done documentation surv ...

 
forum_thread

Multi-Threading/Distributed-Database Questions...

Greetings ObjectDB team, All below questions assume a very large database (~1,000,000,000 objects): Q1: In what cases would ObjectDB utilize multi-threading ? how about in JOIN operations ? Q2: Is it true that two read-only JPQL queries accessing the same database file actually run simultaneously if placed into two independent threads ? no I/O synchronization bottlenecks ? #1 2011-01-02 04:15 Greetings ObjectDB team, All below questions assume a very large database (~1,000,000,000 objects): Q1: ...

 
forum_thread

Conditional Selection

I have an Employee class that holds... private String firstName = "-"; private String middleName = "-"; private String lastName = "-"; I do not require that an Employee's middle name be provided so when I use... SELECT firstName + " " + middleName + " " + lastName FROM Employee     ORDER BY lastname, firstname, middleName I may end up with the result list of... #1 2017-07-26 20:05 I have an Employee class that holds... private String firstName = "-"; private String middleName = "- ...

 
forum_thread

Concerning coding style of the example in the posting instructions

(This forum item was spawned from discussions in a private helpdesk ticket.) I write with reference to the coding example in the posting instructions and many of your other examples posted in the forums. While I appreciate the recommended coding style as shown makes for convenient minimal examples and test cases,  I contest that it breaks the rules for JPA2 entities on at least 2 counts. Firstly, the posting instructions state:  #1 2012-03-14 00:28 (This forum item was spawned from discussions in a private helpdesk ticket.) I write with reference t ...

 
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: Bug Version: 2.2.8 Priority: Normal Status: Fixed Replies: 4 Type:  Bug ...

 
forum_thread

can't get HashMap out of the database

I'm trying to persist an Entity containing a HashMap. It stores the data in the database OK, but the map is always empty when I get the entity out of the database again. I've reproduced this problem in a simple variation of the Guestbook tutorial: Guest class: ===================== #1 2011-11-04 09:35 I'm trying to persist an Entity containing a HashMap. It stores the data in the database OK, but the map is a ...

 
api-jdo

javax.jdo.PersistenceManager

PersistenceManager is the primary interface for JDO-aware application components.(Interface of JDO)

 
forum_thread

Problem using Maven Repository - Enitiy Class will be ignored

I found this suspect if i use the maven to download objectdb. <dependency>             <groupId>com.objectdb</groupId>             <artifactId>objectdb</artifactId>             <version>2.6.2</version> </dependency> I got follow Java Warning that tells me that Entity Class will be ignored. #1 2015-05-29 19:44 I found this suspect if i use the maven to download objectdb. <dependency > < ...