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Using Enum type in NamedQuery: Field is not found in type

whereas my ObjectDB database file isnt being created until the first EntityManager flush, so maybe

Entity can be found by find() but not by query

If transaction B started before transaction A committed, and it stored data using flush, then it may work

Problem to use find method on an abstract Class: AbstractMethodError is thrown

);         em.flush();         Long id = b.id;         A a = em.find(A.class, id);         System.out.println

Where Does ObjectDB Block/Lock?

operations. On commit (or flush) optimistic lock checks verify that different transactions do not

ObjectDB 2.8.7_05

Attempt to fix an error message on closing an EntityManager with non-comitted flushed transaction (issue #2794).

NullPointerException when using multithreading

has its own instance of EntityManager. After 500 persists, the thread calls a flush() on the database

[ObjectDB 2.6.7_04] Unexpected exception (Error 990)

of a flush operation (before executing a query). It doesn't seem related particularly to build 2.6.7

ObjectDB 2.8.5

Fixed a bug in using AS in SELECT NEW (breaks some Spring Data JPA queries). Fixed a bug in tracking changes to new collections after flush (issue #2640). Fixed a StackOverflowError on no access permission to objectdb.conf (issue #2643). Fixed a bug in managing pessimistic locks after using

ObjectDB 2.2.4

using flush. Fixed bugs in cascading merge. Fixed a multithreading deadlock bug. Fixed a bug in using

cannot delete objects after crash (see issue 2283)

after writing and flushing the transaction updates to the recovery file (the database file

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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