During VNF-API-TOPOLOGY request processing the query to AAI is failing. It is due to the self signed certificate for AAI is not in sdnc's java certs or something.

2017-10-17 21:14:51,640 | INFO | 2010625487-10243 | AAIService | 300 - org.openecomp.sdnc.sli.aai - 0.1.0.SNAPSHOT | Request URL : https://aai.api.simpledemo.openecomp.org:8443/aai/v11/network/generic-vnfs/generic-vnf/f8385ffe-3ce2-41cc-be95-87b06951e289/vf-modules/vf-module/c3ca773d-999e-4855-a9fc-870eca756b02
2017-10-17 21:14:51,648 | DEBUG | 2010625487-10243 | AAIService | 300 - org.openecomp.sdnc.sli.aai - 0.1.0.SNAPSHOT | MetricLogger requestId is null
2017-10-17 21:14:51,721 | WARN | 2010625487-10243 | AAIService | 300 - org.openecomp.sdnc.sli.aai - 0.1.0.SNAPSHOT |
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at sun.security.ssl.Alerts.getSSLException(Alerts.java:192)[:1.8.0_131]
at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1949)[:1.8.0_131]
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:302)[:1.8.0_131]
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:296)[:1.8.0_131]