About ORDER BY

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Issue
10

InternalException caused by OOM: Metaspace

.5.5_05] Unexpected exception (Error 990)   Generated by Java HotSpot(TM) 64-Bit Server VM 1.8.0_05 ... .persistenceManagerInit(JDOConnection.java:386) and the next part: Caused by: java.lang.OutOfMemoryError: Metaspace
Issue
10

Lazy retrieval by access not working correctly

I have a problem loading lazy associations by access/navigation with an @Embedded attribute containing an @ElementCollection which is lazy loaded.  I'm not sure if the same problem exists ... { ... @ElementCollection // lazy loaded by default private Map values
Forum
10

Null returned by Persistence.createEntityManagerFactory

get an exception. The exception is ultimately caused by a null pointer on the line "em = emf.createEntityManager ... where you think it is, because stack traces are occasionally inaccurate. Try to change your code by moving suspected lines to separate methods, etc. elks
Forum
10

find out if an entity is refered by other entities

Hello, it is possible to find out if a child entity is just referenced by other parent entity types. But the types of the parent entities are unknown. Is there a possibility to find out if an entity is referenced? best regards You can only find it (using a query) for a specific relationship
Forum
10

Finding an object by its datetime

of course). My resultlist from my query gets zero results. I want to search for objects by exact
Forum
10

Get multiple entities by Id

I'm trying to fetch a list of entities, by their Id. I Use this query: SELECT c FROM User c WHERE c.id IN :ids This querey works as long as I don't set the property "id" as @Id. If i set @Id to any other member, this query works, if I set id as @Id, it stops working and gives zero results
Forum
10

Group by: list if no aggregate function is specified

Hello! In a query like SELECT parent, children FROM Parent parent LEFT JOIN p.children children GROUP BY parent maybe it would be good if it will return a list of Object[2], where the second object is a list of children of a parent. Because creating a query to get a list of parents, then fetching
Forum
10

Internal ObjectDB error by read the primary key

.6_05. This is a similar issue that was not covered by the fix of 2.6.6_05. Build 2.6.6_06
Forum
10

java.sql.Time field off by 30 minutes

home premium and jdk6. I see the problem on my machine now by running #6 with -Duser.timezone=Asia
Forum
10

Query by array element

operation and then use that method in the query. It is supported by ObjectDB but not JPA portable: import