About null

issue

InternalException

  ... null com.objectdb.o.InternalException at ...

 
forum_thread

persists and update together ?

hello on mysql i've seen;   INSERT INTO table (a,b,c) VALUES (1,2,3),(4,5,6) ON DUPLICATE KEY UPDATE c=VALUES(a)+VALUES(b);   This query , inserts data or updates if its already available and this will reduce finding same object again. On jpa : User obj2 = ...; ... ) ) ; if ( usr2 != null ) { entityManager. refresh ( obj2 ...

 
forum_thread

Error when I switch to server mode

I was previously using embedded mode without any problem.  Today I tried to switch to server mode, and after connecting and doing some db operations I got this:... java.lang.NullPointerException: null java.lang.NullPointerException at com.objectdb.o.MST.aS(MST.java:816) ...

 
forum_thread

Nexus proxy repository with ObjectDB

I'm trying to setup a proxy repository in my local Nexus to retrieve artifacts from objectdb. Unfortunately I'm not able to get it configured properly and I'm not sure what is wrong. My repository config: ... :: Repairing repository index "ObjectDB" from path null and below. (started 2014-03-27T08:54:07-07:00, runtime 0:00:06.097) jvm ...

 
api-jpa

javax.persistence.EnumType

Defines mapping for enumerated types.(Enum of JPA)

 
api-jpa

javax.persistence.FlushModeType

Flush mode setting.(Enum of JPA)

 
api-jpa

literal(value)

Create an expression for a literal.(Method of javax.persistence.criteria.CriteriaBuilder)

 
api-jdo

jdoGetPersistenceManager()

Return the associated PersistenceManager if there is one.(Method of javax.jdo.spi.PersistenceCapable)

 
issue

Query execution causes an unexpected internal exception (Error 990)

We have the following exception, why our query fails? ... com.objectdb.o.InternalException: null com.objectdb.o.InternalException at ...

 
api-jdo

getPersistenceCapableSuperclass(pcClass)

Get the persistence-capable superclass for a PersistenceCapable class.(Method of javax.jdo.spi.JDOImplHelper)