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Exception on creation when running multithreaded

also had: typedQuery.setFlushMode(FlushModeType.AUTO); for the specific query. If I change the logic

New to Product & Having An Issue

that comparison for these classes follow the logic of == in Java rather than of equals. john

Join query problem with new statetment

Hi, I'm trying to implement some reporting logic in my application and got nasty exception when using query with join. The query code is: TypedQuery<InspirationsPerSupplierResult> inspirationQuery = em.createQuery(     "select new InspirationsPerSupplierResult(insp.id, insp.name, p.id, p.name

Selective merge/cascade of detatched entity

for this approach). All potential changes are checked with application logic before being committed

Changing existing objects from Entity to Embedded

Hi, I realised that I have a mistake (from application logic point of view) in one of my JDO metadata files: <jdo> <package name="my.example.package">     <class name="InnerSettings">    <field name="attributes" embedded="true">     <map embedded-key="true" embedded-value="true

Query results are not up to date for entities, not primitives

detail all the code of generic functions, but a piece of logic is this: private void root(Class<?> type

Measurement of the test coverage of enhanced classes

Hello, our Entities contains logic that we need to test. Therefore we have unit tests for all our entities. We build and test our components with Jenkins-CI. We want to test that what we release to our customers. Therefore we think we need to test the enhanced classes. But that distorts our test

drop a column from table

But it physically present and logically it will not display. If a want to drop or delete a column

Help with JPA2 Criteria and conditional operator grouping

around the 'or'. Hence, my logic conditions is failing. The same EJB running against my eclipselink

One transaction or two?

synchronization logic to ensure that each thread had its own Persistence Manager. Is the act

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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