About entities

forum_thread

Maven driven compile time ehnancement

Hi,    Just thought I'd share a small bit of Maven config to aid in enhancing persistent classes during compile time. Just add the following to your pom.xml: #1 2011-04-28 02:35 Hi,    Just thought I'd share a small bit of Maven config to aid in enhancing persistent cl ...

 
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Criteria Query results in a NoResultException instead of returning object

When I run the following code    #1 2011-05-16 01:42 When I run the following code  CriteriaBuilder builder = em. getCriteriaBuilder & ...

 
manual

[ODB1] Chapter 7 - JDOQL Queries

Explains how to use JDOQL, the Java/JDO Query Language. There are various ways to retrieve objects from an ObjectDB database, as shown in section 6.3 . An Extent , for instance, can be used to retrieve all the instances of a specified persistent class. When a more selective retrieval is needed, JDOQ ...

 
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newbie - lots of exeptions

Hi  I'm very new to objectdb . I have bought a server and really want to use it. Our code works well with eclipselink and postgresql - until we stress it which is why I'm trying to get objected to work.   realy wierd things are going on ... we are using hessian to connect our remote clients to glass fish and invoke methods there (fine with postgresql) . here is our log (part of it at least .... exceptions are happening all the time when we're working with objected). ... requested to find class com.prohire.agent.entities.AVBooking after done was invoked from the following stack ... > <class > com.prohire.agent.entities.AVBooking </class > <class > ... > <class > com.prohire.agent.entities.CompanyLocation </class > <class > ...

 
issue

InternalException when using MEMBER OF on a large list in a query

Hello, we get when executing a query with MEMBER OF on a large list the following InternalException: Caused by: com.objectdb.o.InternalException: merge2 com.btc.ep.coverage.bl.internal.dmos.CoverageRecordImpl:null => merger[2850057]-missing:223 at com.objectdb.o.PBI.B(PBI.java:124) at com.objectdb.o.PBI.q(PBI.jave:97) at com.objectdb.o.OBI.Vp(OBI.java:244) (... more see attached Image) Our query looks like this: ... for queries. We already need the key before the entities are persisted so that we can build even references. a) ...

 
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WebSphere Liberty Configuration

Hi! I've been trying to get ObjectDB configured with WebSphere Liberty server. I have been able to get the sample app running in TomCat but when I run the jee version of the guestbook in WebSphere I get a combination of errors depending on how I tweak the configuration the most promising error I get is this one: #1 2016-08-09 14:30 Hi! I've been trying to get ObjectDB configured with WebSphere Liberty server. I have been ab ...

 
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ClassCastException on SELECT NEW ... after UPDATE over Java RMI

Hi, we are using ObjectDB 2.5.4_04 on Linux. Our application, which uses ObjectDb as a DB, exposes a Java RMI interface which allows remote RMI clients to run JPQL queries on the DB. The application internally runs SELECT NEW ... queries. For example: #1 2014-05-15 04:50 Hi, we are using ObjectDB 2.5.4_04 on Linux. Our application, which uses ObjectDb as a DB, exposes a Java ...

 
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Updating existing persistence entries

I have stored some instances of MyObject via em.persist(myObjectInstance); I can fetch them and bind them to a kind of property editor in my app (it simply calls the setters to reflect gui editing actions). When I try to persist a object later on, I get an error like com.objectdb.o.UserException: Attempt to reuse an existing primary key value which makes sense to me but I'm missing a em.update() method. #1 2012-12-07 19:29 I have stored some instances of MyObject via em.persist(myObjectInstance); I can fetch them and bind them ...

 
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Query becomes slower on moving from ObjectDB 1.x to ObjectDB 2.x

Hi, I upgraded the odb file using converter.jar which is having 15943 entry. Previously, with object 1.x, the same query was getting executed within an seconds and now the same is taking around 40 seconds in object db 2.x I have build the query using the follwoing Query query = persistanceManager.newQuery("LogEntryAttrebuteImpl.calss", "typeIndexes.contains(this.type) && logEntryIdList.contains(this.logEntryId)"); #1 2012-09-07 15:06 Hi, I upgraded the odb file using converter.jar which is having 15943 entry. Previously, with object 1.x, ...

 
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Recursive calls with @PreUpdate annotation and Glassfish OutOfMemoryError

Hi,    I've had an issue that started today and it's got me stumped. I've got a subclass User, which extends a BaseEntity. The BaseEntity has a @PreUpdate as per: #1 2011-07-07 16:55 Hi,    I've had an issue that started today and it's got me stumped. I've got a sub ...