Mary,
layer names are case sensitive. As you have noted Oracle identifiers
default to upper case. You are also using GTEST as your workspace, and
this is your namespace prefix.
typeName=GTEST:GEOPLAYTHING (note the use of : not .)
I recommend using the Layer Preview to see an example of your
+++ THIS IS AN UNCLASSIFIED MESSAGING SYSTEM +++
I have a simple Oracle Spatial Table for which I have used the UI to publish
a layer. I am attempting to use the Demo Request feature to test using an
OGC Filter. I cannot provide the files since the installation is on another
computer. But