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Forum
1

Failed to read DB file while online backup is running

Hi, it happened already few times (seemingly randomly), that some db operation (read and also write) failed with an exception during an online backup of the same DB file was running and was close ... only when the DB read/write happens during the online backup (as described in the first post) - from
Issue
1

Freeze during save

During an write to an embedded database, objectdb gets stuck.  It won't progress from this point, even after a day of waiting. I include a stack trace from jvisualvm: at java.lang ... is strange: The log entries are mixed and not ordered by age, even though writing to the log file
Forum
1

How to add minutes to a Date with JPA2

attempts, I decided to write a function on the database and retrieve it with the data function ... response but I solved this way, a function that does all the database.  I write the solution
Forum
1

Multithreading Test and Deadlock

in writing. You can see this in the JPAB benchmark (compare 1 thread to 5 threads). ObjectDB is faster than the alternatives also when using multithreading in writing but the gap becomes smaller
Issue
1

NullPointer when accessing entity field

but not during reading/writing to objectdb. The issue occurs just once during our test ... concurrently by more than one thread? We are using EntityManagers in following way: for single read/write
Forum
1

NullPointerException while setting a new property value

database access for write. Nothing special here I guess: public synchronized void saveCollection ... the collection. NPE is thrown at some point while database thread is writing new data. I guess
Issue
1

ObjectDB-2.6.9: Failed to commit transaction: Failed to set numeric value of field property Element.id using reflection

enhanced (when clearly they are). [EDIT: This was because the NetBeans Run and Ant were over-writing ... menu option (which invokes Ant) in my NetBeans project was over-writing the post-compile enhanced
Forum
1

Out of memory

2.4.2_01. Database workload is read heavy, but some write transactions that are really big (import ... " />
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1

Query in JPA2 with LEFT JOIN on INNER JOIN

How write a query in JPA2 with LEFT JOIN on INNER JOIN? select a.description, a.id, p1.description, p2.description,p3.description from action a left join action_profile ap1 on ap1.id_action=a.id ... " This is different than writing WHERE ap1.id_profile=1 JPQL is similar to SQL but not identical, and it may not
Forum
1

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

" />     write a complete simple test case