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WebObjects 4.0 using Oracle 8.05 on NT 4.0


When I use the deleteObject() of the editing context, I receive an
NSInvalidArgumentException with the reason being
"...NSMapInsertKnownAbsent(): attempt to insert notAKeyMarker". 

This happens only when I try to delete a particular object.  Other useful
information about this object maybe the fact that it contains a few
flattened relationships.  I have made sure that objects in these arrays are
empty before deleting the object.  However, the application is successful in
deleting other objects that participate in relationships.

InfoCenter on NSMapInsertKnownAbsent didn't help.  Why is the EOF
_inserting_ anything while I'm trying to delete?  More importantly, what
could be the possible reason for this error?

For the sake of brevity, I've left out the details of the model.

Any help resolving this problem is appreciated.

Sri

--------------------
Srivaths Sankaran
(813)971-3707 x292
mailto:[EMAIL PROTECTED]


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<P><FONT SIZE=3D2 FACE=3D"Verdana">WebObjects 4.0 using Oracle 8.05 on =
NT 4.0</FONT>
</P>
<BR>

<P><FONT SIZE=3D2 FACE=3D"Verdana">When I use the deleteObject() of the =
editing context, I receive an NSInvalidArgumentException with the =
reason being &quot;...NSMapInsertKnownAbsent(): attempt to insert =
notAKeyMarker&quot;. </FONT></P>

<P><FONT SIZE=3D2 FACE=3D"Verdana">This happens only when I try to =
delete a particular object.&nbsp; Other useful information about this =
object maybe the fact that it contains a few flattened =
relationships.&nbsp; I have made sure that objects in these arrays are =
empty before deleting the object.&nbsp; However, the application is =
successful in deleting other objects that participate in =
relationships.</FONT></P>

<P><FONT SIZE=3D2 FACE=3D"Verdana">InfoCenter on NSMapInsertKnownAbsent =
didn't help.&nbsp; Why is the EOF _inserting_ anything while I'm trying =
to delete?&nbsp; More importantly, what could be the possible reason =
for this error?</FONT></P>

<P><FONT SIZE=3D2 FACE=3D"Verdana">For the sake of brevity, I've left =
out the details of the model.</FONT>
</P>

<P><FONT SIZE=3D2 FACE=3D"Verdana">Any help resolving this problem is =
appreciated.</FONT>
</P>

<P><FONT SIZE=3D2 FACE=3D"Verdana">Sri</FONT>
</P>

<P><FONT SIZE=3D1 FACE=3D"Verdana">--------------------</FONT>
<BR><FONT SIZE=3D1 FACE=3D"Verdana">Srivaths Sankaran</FONT>
<BR><FONT SIZE=3D1 FACE=3D"Verdana">(813)971-3707 x292</FONT>
<BR><U><FONT COLOR=3D"#0000FF" SIZE=3D1 FACE=3D"Verdana"><A =
HREF=3D"mailto:[EMAIL PROTECTED]">mailto:[EMAIL PROTECTED]=
</A></FONT></U>
</P>

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