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Tutorial
15

Step 2: Entity Class and Persistence Unit

the project node (in the [Package Explorer] window), select New > Source Folder, enter src/main/java as Folder Name and click Finish. Open the [New Java Class] dialog box, e.g. by right clicking the new source directory node (in the [Package Explorer] window) and selecting New > Class. Enter guest as
Forum
15

Failed to create a new file 'target\objectdb\log\archive' (error 112)

(see below) fails because ODB can't create a new file in a non-existing folder hierarchy. The user ... ); em.close(); } catch (Exception e) { throw new RuntimeException("Unable ... to create a new file 'target\objectdb\log\archive' (error 112) [11:47:18]: [com.rbccm.felix
Forum
15

Insert a new entity class in a class hierarchy does not work

Hello, we have an entity class hierarchy and we want to insert a new entity in this hierarchy ... , because the class hierarchy had already always existed and the "new" entity class needed still only the @Entity annotation, all remaining fields got null as a value. Only if the new entity
Forum
15

Attempt to begin a new transaction when a transaction is active

._PersistenceException: Attempt to begin a new transaction when a transaction is active root cause com.objectdb.o._PersistenceException: Attempt to begin a new transaction when a transaction is active root cause com.objectdb.o.UserException: Attempt to begin a new transaction when a transaction is active
Issue
15

new objects not available in mappedBy associations

Given a mappedBy association: e.g: @OneToMany(mappedBy="department") public List employees;   creating a new mapped class, e.g. new Employee, won't result in this object being available in the same transaction: ie: for (Employee e : department.employee) won't include the new object
Forum
15

NullPointerException while setting a new property value

) I am trying to attach the log file. Please try a new build - 2.4.4_02. It will not solved ... the collection. NPE is thrown at some point while database thread is writing new data. I guess ... tested 2.4.4_05 and the NPE is gone. We plan more testing. We create new EntityManager
Forum
15

Email notification about new build

Just a quick thought. It would be nice to get email notification about new builds. If a new build resolves a problem that I'm not subscribed for, I don't know about it until i check ODB page :) This is a good idea. It is now set as a website feature request in the issue tracking system. lwalkowski
Issue
15

Email notification about new build

Just a quick thought. It would be nice to get email notification about new builds. If a new build resolves a problem that I'm not subscribed for, I don't know about it until i check ODB page :) lwalkowski
Forum
15

Intermittent: "Attempt to reuse an existing primary key value" when persisting a new instance

ever happens (maybe once a week during dev). This issue only happens when saving new items ...   ObjectDB Version: 2.2.8_05 This might be related to a bug that was fixed in build 2.2.8_06. Please check that new build. Willks
Issue
15

New Java 8 (JDK 1.8) Collection Methods

ObjectDB version 2.5.5 (and above) supports Java 8 (JDK 1.8). Tracking changes to collections and maps using some new Java 8 methods is currently not fully supported. The main known issue ... (which becomes an orphan) using the new methods: removeIf(predicate) and remove(key, value). zmirc