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unexpected exception - in query

Type: BugVersion: 1.4.0Priority: LowStatus: FixedReplies: 1
#1

I received the following exception while trying to process a query:

Exception in thread "main" [ObjectDB 2.0.4_01] Unexpected exception (Error 990)
Generated by Java HotSpot(TM) Server VM 1.6.0_22 (on Linux 2.6.32-27-generic).
Please report this error to ObjectDB support (support@objectdb.com).
com.objectdb.o.InternalException: null
com.objectdb.o.InternalException
at com.objectdb.o.InternalException.b(InternalException.java:88)
at com.objectdb.o.VAL.z(VAL.java:637)
at com.objectdb.o.AGN$aK.aG(AGN.java:546)
at com.objectdb.o.AGN.aF(AGN.java:244)
at com.objectdb.o.GQI.Us(GQI.java:135)
at com.objectdb.o.PRG.aa(PRG.java:584)
at com.objectdb.o.QRM.UR(QRM.java:256)
at com.objectdb.o.MST.UR(MST.java:855)
at com.objectdb.o.WRA.UR(WRA.java:285)
at com.objectdb.o.WSM.UR(WSM.java:112)
at com.objectdb.o.WRA.UR(WRA.java:285)
at com.objectdb.o.WSN.UR(WSN.java:416)
at com.objectdb.o.QRR.g(QRR.java:210)
at com.objectdb.o.QRR.b(QRR.java:138)
at com.objectdb.jpa.JpaQuery.getSingleResult(JpaQuery.java:586)
at pt.up.fe.dceg.neptus.imc.db.MessageDB.avg(MessageDB.java:63)
at pt.up.fe.dceg.neptus.imc.db.MessageDB.main(MessageDB.java:68)
 

#2

The stack trace indicates an attempt to run a query that calculates average on values that at least one of them is not numeric.

I could reproduce the exception in the attached test. Please check the new build (2.0.4_02) that should fix it.

Thank you for this report, but please try to provide more details (and a more informative title) in next bug reports, since in most cases the stack trace alone is insufficient to solve an issue.

ObjectDB Support
ObjectDB - Fast Object Database for Java (JPA/JDO)

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