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JPA Doc
2

javax.persistence.TransactionRequiredException

- the cause (which is saved for later retrieval by the getCause() method). (A null value is permitted
JPA Doc
2

setFirstResult(startPosition)

Method javax.persistence.Query Query setFirstResult(   int startPosition ) Set the position of the first result to retrieve. Parameters: startPosition - position of the first result, numbered from 0 Returns: the same query instance Throws: IllegalArgumentException - if the argument is negative Since: JPA 1.0
JPA Doc
2

setFirstResult(startPosition)

Method javax.persistence.TypedQuery TypedQuery setFirstResult(   int startPosition ) Set the position of the first result to retrieve. Parameters: startPosition - position of the first result, numbered from 0 Returns: the same query instance Throws: IllegalArgumentException - if the argument is negative Since: JPA 2.0
Result
2

Throwable(cause)

throwable. Parameters: cause - the cause (which is saved for later retrieval by the getCause() method
Result
2

Throwable(message)

for later retrieval by the getMessage() method. Since: Java JDK1.0
Forum
2

Mapped By Fetch is very Slow

attribute) 2- Retrieve only 10 000 for testing 3- Wait ... On my AMD FX 8350, it took 60s Now ... MyEntity m", MyEntity.class);     // Retrieve only 10 000   List entities = query ... ();   emf.close();     // Be sure we retrieve child   if (entities.get(0).getEntityChild() == null
Forum
1

composite index not used in query

). [Step 1c] Retrieve fields in Action (a) instances. [Step 1d] Filter the results of step 1c ... over all the instances (a1) in a.objectsInCharge. [Step 2b] Retrieve fields in ObjectNode (a1) instances ... ) in a1.childNodes. [Step 3b] Retrieve fields in ObjectNode (v$1) instances. [Step 3c
Issue
1

Error reading UTF string (Serialized Objects in Explorer)

here it goes again There is a problem in retrieval of the BeitragVertragArt instance (with qubletID = 371 ... . Hi, Well, the issue occurs in our Code as well during retrieval. Actually, I don't care ... after retrieving the BeitragVertragArt class, changing some fields and writing it back? The fix in _14
Forum
1

OneToMany and cascade delete problem

sufficient because the other side is being updated automatically when the object is retrieved. But until the object is retrieved - you may have a broken relationship as in this case in reflection mode ... the cache and then retrieved again, fixing the broken relationship). When using a short term
Forum
1

Optimistic Locking

()); pm.currentTransaction().commit(); pm.close(); // First user retrieves ... (); // Second user retrieves and updates the Counter:   PersistenceManager pm2 = pmf ... that was retrieved from the database. For example, if you retrieve an object, copy its data to a temporary data