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forum_thread

WebService : Failed to get reference value of field using enhanced method

Hi, I try to use objectdb from Tomcat Webservice without webservice it's works fine:   error: Failed to commit transaction: Failed to get reference value of field field persistence.PolicyEntity.policyString using enhanced method ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
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100% CPU when using multiple BETWEEN

Hi, we are evaluating ObjectDB 2.5.1_03 in embedded mode. We have a DB of about 2800 instances of a class that has two java.lang.String members: toExtension and fromExtension. There are other members in the class, but not relevant to the problem.   A query like this cause the java process to start running at 100% CPU (endless loop) and it never recovers: ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
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Problem witch CriteriaBuilder isMember(..)

Dear Objectdb-Team I have some Problems running a criteria query against a set. But maybe I misunderstood some essentials I have defined an entity class and an embeddable class like this ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
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High availability and other pratical questions

Hi,   I've just started developing a mobile app which will use a server side, hopefully handling a lot of processing and traffic. I was inteding to use TomEE+ with built-in OpenJPA and Postgres DB, initially on one master server but as it grows more master servers will be set (in different geo locations/data centers) using some data sync mechanism between them.   Now that i've met ObjectDB I want to check the option using it instead of postgres so I have few questions regarding it: ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ... Hi,   Thanks for the fast reply and answers, any estimation when the embedded DB high availability ...

 
issue

Error during closing an entity manager

Hello, can you explain the the following exception? Caused by: com.objectdb.o._PersistenceException: Failed to read the value of field field com.btc.ep.architecture.bl.internal.dmos.types.NormalizedAccessPathImpl.accessPathRoot using reflection at com.objectdb.o._PersistenceException.b(_PersistenceException.java:45) ~[na:na] at com.objectdb.o.JPE.g(JPE.java:145) ~[na:na] at com.objectdb.o.ERR.f(ERR.java:56) ~[na:na] at com.objectdb.o.OBC.onObjectDBError(OBC.java:1560) ~[na:na] at com.objectdb.o.OBM.close(OBM.java:212) ~[na:na] ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
issue

Exception in thread "ODB-StoreHandler-5094" java.lang.NullPointerException

Hi, ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
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ObjectDB Clustering VS Hadoop Hbase

The Hbase is an open source distributed database on Hadoop, it is robust regardless of the performance problem. The ObjectDB cluster may be a distributed database, I guess. But I dont know whether it has only one entry, or each node has an entry. Could you please explain the difference between Hbase and ObjectDB clustering? TIA   ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
issue

Corrupt database page

Hello, we have encountered an issue, where a page of the database became corrupt. We are wondering now, if you know of any issues that can cause this problem. We would be grateful for your help. Best wishes, The BTC-ES team   ObjectDB Doctor [version 2.7.1_03] Copyright (c) 2017, ObjectDB Software. All rights reserved. ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
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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: ===================== ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
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Entity Type is not found (error 301) in Query

Overall test OpenJPA, HibernateJAP, EclipseLink and ObjectDB. No Problem with OpenJPA, HibernateJAP, EclipseLink For ObjectDB there is one query in following method, where the full qualified class name is necessary. See method code - red part Otherwise an error will occure. ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ... Hi! Thanks for the fast response - fast JPA impl and fast support!  You are right, the first ...