IllegalArgumentException: Can not set UUID Field In TopLink Grid

(Doc ID 1265909.1)

Last updated on SEPTEMBER 10, 2014

Applies to:

Oracle TopLink - Version to [Release Oracle11g]
Information in this document applies to any platform.


When using TopLink grid with entities that contains One to Many relationships, querying from the grid results in an exception similiar to the following:

Exception Description: Trying to get value for instance variable [id] of type
[com.knowmed.util.UUID] from the object [java.util.Hashtable$Entry]. The
specified object is not an instance of the class or interface declaring the
underlying field.
Internal Exception: java.lang.IllegalArgumentException: Can not set
com.knowmed.util.UUID field to


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