outputFormat="GML2":
<ows:ExceptionReport xmlns:xs="http://www.w3.org/2001/XMLSchema" 
                     xmlns:ows="http://www.opengis.net/ows" 
					 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
					 version="1.0.0" 
					 xsi:schemaLocation="http://www.opengis.net/ows http://localhost:8080/geoserver/schemas/ows/1.0.0/owsExceptionReport.xsd">
    <ows:Exception exceptionCode="NoApplicableCode">
        <ows:ExceptionText>java.lang.ClassCastException: org.geotools.feature.type.ComplexFeatureTypeImpl cannot be cast to org.opengis.feature.simple.SimpleFeatureType org.geotools.feature.type.ComplexFeatureTypeImpl cannot be cast to org.opengis.feature.simple.SimpleFeatureType</ows:ExceptionText>
    </ows:Exception>
</ows:ExceptionReport>

outputFormat="GML3":
<?xml version="1.0" encoding="UTF-8"?>
<wfs:FeatureCollection xmlns:wfs="http://www.opengis.net/wfs" 
                       xmlns:xs="http://www.w3.org/2001/XMLSchema" 
					   xmlns:ct="http://geoserver.org/ct" 
					   xmlns:gml="http://www.opengis.net/gml" 
					   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
					   numberOfFeatures="2" 
					   timeStamp="2017-11-23T13:24:50.065Z" 
					   xsi:schemaLocation="http://www.opengis.net/wfs http://schemas.opengis.net/wfs/1.1.0/wfs.xsd http://geoserver.org/ct file:/c:/GeoServer/2.11.2/data_dir/workspaces/ct/ct_addressCoordinate/source.xsd">
    <gml:boundedBy>
        <gml:Envelope srsDimension="2" srsName="http://www.opengis.net/gml/srs/epsg.xml#3857">
            <gml:lowerCorner>60.169026 24.9391928</gml:lowerCorner>
            <gml:upperCorner>60.169817 24.940212</gml:upperCorner>
        </gml:Envelope>
    </gml:boundedBy>
    <gml:featureMember>
        <ct:AddressCoordinate gml:id="geoCoordinateWithSrid.fid--2be2a4e_15fe83b67bc_-7ff0">
            <ct:AddressId>f0e307f0-2e76-4172-8f20-a6e70c99943b</ct:AddressId>
            <ct:Geom/>
        </ct:AddressCoordinate>
    </gml:featureMember>
    <gml:featureMember>
        <ct:AddressCoordinate gml:id="geoCoordinateWithSrid.fid--2be2a4e_15fe83b67bc_-7fef">
            <ct:AddressId>f0e307f0-2e76-4172-8f20-a6e70c99943b</ct:AddressId>
            <ct:Geom/>
        </ct:AddressCoordinate>
    </gml:featureMember>
</wfs:FeatureCollection>

outputFormat="JSON":
<ows:ExceptionReport xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:ows="http://www.opengis.net/ows" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.0.0" xsi:schemaLocation="http://www.opengis.net/ows http://localhost:8080/geoserver/schemas/ows/1.0.0/owsExceptionReport.xsd">
    <ows:Exception exceptionCode="NoApplicableCode">
        <ows:ExceptionText>java.lang.ClassCastException: org.geotools.feature.FeatureImpl cannot be cast to org.opengis.feature.simple.SimpleFeature
org.geotools.feature.FeatureImpl cannot be cast to org.opengis.feature.simple.SimpleFeature</ows:ExceptionText>
    </ows:Exception>
</ows:ExceptionReport>

outputFormat="CSV":
gml:id,ct:AddressId,ct:Geom
geoCoordinateWithSrid.fid--2be2a4e_15fe83b67bc_-7fed,f0e307f0-2e76-4172-8f20-a6e70c99943b,POINT (60.169026 24.940212)
geoCoordinateWithSrid.fid--2be2a4e_15fe83b67bc_-7fec,f0e307f0-2e76-4172-8f20-a6e70c99943b,POINT (60.169817 24.9391928)