About WRITE

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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
Forum
1

Out of memory

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

Replicated cluster recovery

. There are solutions that enable full cluster even with the ability to write and read to any node (and maybe ... , which may also reference databases on different nodes. Hi I wanted test cluster so I ran 4 threads 2 for writing and two 2
Forum
1

Replication Issue

start -conf objectdbMASTER.conf on the same server I run a java program - which is writing objects ... ="." mode="write" />                                
Forum
1

Show Sql/Jpql

Is there a way to show the executed Sql/Jpql in the console? You can set the log element in ObjectDB configuration to write logging also to the console:     
Issue
1

Threaded Test - Failed to commit transaction: Unexpected internal exception

(                     LockModeType.PESSIMISTIC_WRITE).getSingleResult();                 em.remove(p ... the ordered query and writing to the second database. Again, I'm not sure if this is a problem