edit-config using POST results to error 400 Bad request

Test Steps:

Send request using POST
Content-type application/xml
Accept application/xml
http://hostname:8080/restconf/config/opendaylight-inventory:nodes/node/<connector-name>/yang-ext:mount/Cisco-IOS-XR-parser-cfg:parser

Received response:
STATUS 400 Bad request
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<errors
xmlns="urn:ietf:params:xml:ns:yang:ietf-restconf">
<error>
<error-type>protocol</error-type>
<error-tag>invalid-value</error-tag>
<error-message>Data schema node was not found for parser</error-message>
</error>
</errors>

Expected response:
200 OK

Environment:
org.opendaylight.controller.version = 0.1
org.opendaylight.controller.build.scm.version = 8b4d61d841649cd054bb62b20fcc64e87cc7c36d
org.opendaylight.controller.build.user = jenkins-controller
org.opendaylight.controller.build.workspace = **********
org.opendaylight.controller.build.timestamp = 1409854132914
org.opendaylight.controller.build.machine = **********
[odl@pce-guest33 opendaylight]$