See the last line, should print json message

[2017-11-02 10:19:24,604|Session org.onap.policy-engine.drools.amsterdam:policy-amsterdam-rules:0.4.0:closedloop-amsterdam][OUT|AAI|https://aai.api.simpledemo.openecomp.org:8443/aai/search/named-query|]
{
"query-parameters": {
"named-query": {
"named-query-uuid": "a93ac487-409c-4e8c-9e5f-334ae8f99087"
}
},
"instance-filters": {
"instance-filter": [
{
"generic-vnf": {
"vnf-id": "6e3b0069-a760-4ee4-851d-b80fe2dd8562"
}
}
]
}
}
[2017-11-02 10:19:25,424|Session org.onap.policy-engine.drools.amsterdam:policy-amsterdam-rules:0.4.0:closedloop-amsterdam][IN|AAI|https://aai.api.simpledemo.openecomp.org:8443/aai/search/named-query|]
org.onap.policy.aai.AAINQResponse@55bf4f3