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Manual
10

Running JPA Queries [2011-09-21]

and the code is simple: Query query = em.createQuery("SELECT COUNT(c) FROM Country c"); long ... ").executeUpdate(); A TransactionRequiredException is thrown if no transaction is active. On success
Manual
10

Running JPA Queries

and the code is simple: Query query = em.createQuery("SELECT COUNT(c) FROM Country c"); long ... ").executeUpdate(); A TransactionRequiredException is thrown if no transaction is active. On success
Forum
7

Should derived fields of an EmbeddedId be manually maintained by app code?

field parent. In the following as the code stands I do NOT maintain the derived fields in ... the code so that I do maintain the EmbeddedId explicitly it works; class ECompoundKeyMapItem ... .java:148) Unexpetced error com.objectdb.o.InternalException //Code without manual maintenance
Forum
7

Concerning coding style of the example in the posting instructions

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 ... cases and examples, it is not a compliant coding style. Webel Your observation is correct
Forum
7

Deadlock in objectdb code

Running multi-threaded access to an embedded database using JDO, I'm getting a deadlock in objectdb code.  Thread dump attached. Thank you for this report. The thread dump indicates a possible ... of the persistent types may be being introduced at that point in the code.   Is there a convenient way
Issue
7

Enhancer: non-zero exit code at exceptions

Hello, we have found that the enhancer returned an non-zero exit code on errors. You can change this so that the error of the enhancers can be detected. Thank you for this report. Starting build 2.6.1_04 the Enhancer exits with non zero code on errors. Note that System.exit is now invoked
Issue
7

Can't open DB-file with explorer, but from within my code it works

programatically (from within my code) without any errors 4) the db doctor ends without error messages
Issue
6

objectdb-2.6.9_06: Extended Persistence Context fails: 'Attempt to begin a new transaction when a transaction is active'

._PersistenceException: Attempt to begin a new transaction when a transaction is active at com.sun.ejb ... .UserException: Attempt to begin a new transaction when a transaction is active Again, this used not to happen ... (); //Diagnostics AND optional forced transaction commit (if active). if (em == null
Result
6

Eclipse Public License - v 1.0

code and documentation distributed under this Agreement, and b) in the case of each subsequent ... , if any, and such derivative works, in source code and object code form. b) Subject to the terms ... the Contribution of such Contributor, if any, in source code and object code form. This patent
Manual
6

JPA / JDO Class Enhancer

ObjectDB Enhancer is a post compilation tool that improves performance by modifying the byte code ... to be enhanced. Enhancement improves efficiency in three ways: Enhanced code enables efficient ... explained in the chapter 3). This is done by adding special code to enhanced classes that automatically