I get a NullPointerEx when ADF tries to get Entity Cache
Hello! I'm using ADF JDeveloper 11.1.2.1.0.
I'm having a hard time tracing back a bug I'm experiencing. When I try to commit some data that involves setting properties across many view links and entities, I get a weird error near the end:
<22/05/2012 12:20:49,208> <SEVERE> <BaseLoggerImpl> <logException> java.lang.NullPointerException
at oracle.jbo.server.EntityImpl.getEntityCache(EntityImpl.java:4665)
at oracle.jbo.server.EntityImpl.getAttributeInternal(EntityImpl.java:3371)
at br.com.cds.gtj.gco.model.gco.entity.MovimentoMaterialImpl.getConsultaUltmSeqcMovmMaterialView(MovimentoMaterialImpl.java:647)
at br.com.cds.gtj.gco.model.gco.entity.MovimentoMaterialImpl.getUltmSeqcMovmMatl(MovimentoMaterialImpl.java:676)
at br.com.cds.gtj.gco.model.gco.entity.NotaFiscalPedidoImpl.recebeNotaFiscalPedido(NotaFiscalPedidoImpl.java:1208)
Whats really curious about this error is that, if I try the commit operation again right after getting the nullpointerexception, everything goes smoothly and the process is completed. What could cause this kind of error, and why would a second try make it work?
Thanks in advance,
Daniel
It's a very simple VO. It has a query that returns a value I need from the database. I could very well solve this by making a procedure with this query and programmatically executing this procedure from the entity X, but I'm interested in figuring why this is happening and what am I doing wrong.
I will paste the query here, but I suspect my problem is with the entity. I tried creating other view accessors and tried calling their "get" methods, and none of them can return the RowSet, all ending on the same error in the stack trace: EntityCache -> NullPointerException.
Heres the query:
SELECT
MAX(MovimentoMaterial.SEQC_MOVM_MATL) AS UltmSeqc
FROM
MOVIMENTO_MATERIAL MovimentoMaterial
WHERE
MovimentoMaterial.ALMX_MOVM_MATL = :varAlmxMovmMatl AND
MovimentoMaterial.CODG_GRPO_MATL_MOVM_MATL = :varCodgGrpoMatlMovmMatl AND
MovimentoMaterial.CODG_SUBS_MATL_MOVM_MATL = :varCodgSubsMatlMovmMatl AND
MovimentoMaterial.NUM_SEQC_MATL_MOVM_MATL = :varNumSeqcMatlMovmMatl
My objective is to set the bind Variables in this query, and get the value for UltmSeqc, which I will use for future procedures.
Being so, I tried to get the rowset, and from it execute the setNamedBindVariable stuff to get the result from this query. Why can't I get a RowSet from this view, given that I created it's accessor inside the entity X?
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