C: exceptions while reconfiguring the rib reconfiguration

odl: https://nexus.opendaylight.org/content/repositories/opendaylight.snapshot/org/opendaylight/integration/distribution-karaf/0.6.0-SNAPSHOT/distribution-karaf-0.6.0-20170109.191551-2967.zip

this happened when i tried to reproduce bug7472 locally

1) unzip and start karaf
2) feature:install odl-restconf odl-bgpcep-pcep-all odl-bgpcep-bgp-all odl-bgpcep-bgp odl-bgpcep-pcep odl-netconf-connector-all odl-bgpcep-bmp odl-jolokia
3) PUT http://localhost:8181/restconf/config/openconfig-network-instance:network-instances/network-instance/global-bgp/openconfig-network-instance:protocols/protocol/openconfig-policy-types:BGP/example-bgp-rib
<protocol xmlns="http://openconfig.net/yang/network-instance">
<name>example-bgp-rib</name>
<identifier xmlns:x="http://openconfig.net/yang/policy-types">x:BGP</identifier>
<bgp xmlns="urn:opendaylight:params:xml:ns:yang:bgp:openconfig-extensions">
<global>
<config>
<router-id>127.0.0.1</router-id>
<as>64496</as>
</config>
<afi-safis>
<afi-safi>
<afi-safi-name xmlns:x="http://openconfig.net/yang/bgp-types">x:IPV4-UNICAST</afi-safi-name>
<receive>true</receive>
<send-max>0</send-max>
</afi-safi>
</afi-safis>
</global>
</bgp>
</protocol>

for receive exceptions check attached log file