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Forum
2

Extending model by "common entity"

] Caused by: java.lang.ClassNotFoundException: pl.hplxtool.model.BaseEntity at com.objectdb.o.TYM ... . This schema change should be handled by ObjectDB - so the exception is unexpected. Maybe you have to restart the server (I see that the stack trace is generated by the server). If it doesn't help
Forum
2

Group by date / time

Hi, I'm trying to create reporting query that will return entities grouped by year / mont / day ... stats WHERE YEAR(record_date) = 2009 GROUP BY YEAR(record_date), MONTH(record_date) or maybe something like this: SELECT COUNT(id) FROM stats WHERE YEAR(record_date) = 2009 GROUP BY DATE
Issue
2

JPQL support for mapped by (inverse) collections

, SIZE, MEMBER OF, IN) are currently not supported for mapped by (inverse) collections. These operations are supported for direct (not mapped by) collections. Navigation and JOIN is supported for both direct and mapped by collections. The following test case demonstrates a problematic query
Forum
2

Need help to analyse very high memory usage by objectdb (PRU, SEV, VAL[])

exceeded" exception. Nearly 90% of the memory are taken by com.objectdb.o.PRU (49%) com.objectdb.o.SEV ... Forum Thread Need help to analyse very high memory usage by objectdb objects (PRU, SEV, VAL[]) has been created. This may be caused by large insert / update transactions, with large amount of data
Forum
2

UserException: Package com.example.model is not found by the enhancer

get the exception: com.objectdb.o.UserException: Package com.example.model is not found by ... ?   It may be a class loader conflict, i.e. the Enhancer and your classes are loaded by different class loaders and the Enhancer do not have access to the classes. Enhancing by invoking the Enhancer from
Forum
2

Eclipse plugin problem (using ObjectDB as a separate bundle)

the problem I cleaned by project, and enhanced with ObjectDB with the small utility class public class ... cascaded automatically to referenced objects by default. Therefore, when you persist an object it must reference only objects that are already managed by ObjectDB - otherwise you get this exception
Forum
2

a second mapping-file is ignored in persistence.xml by enhancer

> We start the enhancer and the entities of orm.xml will be enhanced by following output: enhancer ... will be enhanced by following output, because the enhancer is apparently ignored the ormreq.xml
Forum
2

Bug: ClassCastException by retrieval

("find by retrieval : %s %n",tn3.getTa()); System.out.printf("Arrays : %s %n",Arrays.toString(tn3 ... , l, l, o, W, o, r, l, d, 2] find by retrieval : H Arrays : [H, e, l, l, o, W, o, r, l, d, 2
Forum
2

Getting java.lang.ArithmeticException: / by zero

ava.lang.ArithmeticException: / by zero at com.objectdb.td.remove(td.java:131) at com.objectdb.af.VW ... which is being used is 2302.  Regards, Binit Bhaskar This division by zero occurs in some hash table
Issue
2

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