Model-Load and Babel not ingesting model due to certificate error

2019-04-12T00:57:14.154Z|2483f3a0-f26c-4108-982f-cc520a26c1c0|pool-2-thread-7|ModelLoader|Event-Bus|org.onap.aai.modelloader.notification.ArtifactDownloadManager||ERROR|MDLSVC2005E|MDLSVC2005E Failed to send POST request to https://aai-babel.onap:9516: Error posting artifact service-Vfw20190412005312-csar.csar 1.0 to Babel: javax.net.ssl.SSLHandshakeException: Received fatal alert: certificate_unknown|
com.sun.jersey.api.client.ClientHandlerException: javax.net.ssl.SSLHandshakeException: Received fatal alert: certificate_unknown
at com.sun.jersey.client.urlconnection.URLConnectionClientHandler.handle(URLConnectionClientHandler.java:155)
at com.sun.jersey.api.client.Client.handle(Client.java:652)
at com.sun.jersey.api.client.WebResource.handle(WebResource.java:682)
at com.sun.jersey.api.client.WebResource.access$200(WebResource.java:74)
at com.sun.jersey.api.client.WebResource$Builder.post(WebResource.java:570)
at org.onap.aai.modelloader.restclient.HttpsBabelServiceClient.postArtifact(HttpsBabelServiceClient.java:229)
at org.onap.aai.modelloader.notification.ArtifactDownloadManager.invokeBabelService(ArtifactDownloadManager.java:182)
at org.onap.aai.modelloader.notification.ArtifactDownloadManager.processToscaArtifacts(ArtifactDownloadManager.java:156)
at org.onap.aai.modelloader.notification.ArtifactDownloadManager.processDownloadedArtifacts(ArtifactDownloadManager.java:141)
at org.onap.aai.modelloader.notification.ArtifactDownloadManager.downloadArtifacts(ArtifactDownloadManager.java:97)
at org.onap.aai.modelloader.notification.EventCallback.activateCallback(EventCallback.java:68)
at org.onap.sdc.impl.NotificationConsumer.run(NotificationConsumer.java:71)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: javax.net.ssl.SSLHandshakeException: Received fatal alert: certificate_unknown
at sun.security.ssl.Alerts.getSSLException(Alerts.java:192)
at sun.security.ssl.Alerts.getSSLException(Alerts.java:154)
at sun.security.ssl.SSLSocketImpl.recvAlert(SSLSocketImpl.java:2038)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1135)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1385)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1413)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1397)
at sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:559)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:185)
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getOutputStream(HttpsURLConnectionImpl.java:259)
at com.sun.jersey.client.urlconnection.URLConnectionClientHandler$1$1.getOutputStream(URLConnectionClientHandler.java:238)
at com.sun.jersey.api.client.CommittingOutputStream.commitStream(CommittingOutputStream.java:117)
at com.sun.jersey.api.client.CommittingOutputStream.write(CommittingOutputStream.java:89)
at sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:221)
at sun.nio.cs.StreamEncoder.implWrite(StreamEncoder.java:282)
at sun.nio.cs.StreamEncoder.write(StreamEncoder.java:125)
at java.io.OutputStreamWriter.write(OutputStreamWriter.java:207)
at java.io.BufferedWriter.flushBuffer(BufferedWriter.java:129)
at java.io.BufferedWriter.write(BufferedWriter.java:230)
at java.io.Writer.write(Writer.java:157)
at com.sun.jersey.core.util.ReaderWriter.writeToAsString(ReaderWriter.java:190)
at com.sun.jersey.core.provider.AbstractMessageReaderWriterProvider.writeToAsString(AbstractMessageReaderWriterProvider.java:128)
at com.sun.jersey.core.impl.provider.entity.StringProvider.writeTo(StringProvider.java:88)
at com.sun.jersey.core.impl.provider.entity.StringProvider.writeTo(StringProvider.java:58)
at com.sun.jersey.api.client.RequestWriter.writeRequestEntity(RequestWriter.java:300)
at com.sun.jersey.client.urlconnection.URLConnectionClientHandler._invoke(URLConnectionClientHandler.java:217)
at com.sun.jersey.client.urlconnection.URLConnectionClientHandler.handle(URLConnectionClientHandler.java:153)
... 18 common frames omitted
ZZ