Throwing below exception if authorization details are empty
{"exception":{"stacktrace":"java.lang.IndexOutOfBoundsException: Index: 0, Size:
0\n\tat java.util.ArrayList.rangeCheck(Unknown Source)[:1.8.0_151]\n\tat
java.util.ArrayList.get(Unknown Source)[:1.8.0_151]\n\tat
org.apache.cxf.transport.http.Headers.getAuthorization(Headers.java:540)
[1916:org.apache.cxf.cxf-rt-transports-http:3.1.5.redhat-630371]\n\tat
org.apache.cxf.transport.http.AbstractHTTPDestination.setupMessage(AbstractHTTPDes
tination.java:396)[1916:org.apache.cxf.cxf-rt-transports-http:3.1.5.redhat-
630371]\n\tat
org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination
.java:239)[1916:org.apache.cxf.cxf-rt-transports-http:3.1.5.redhat-630371]\n\tat
org.apache.cxf.transport.http_jetty.JettyHTTPDestination.doService(JettyHTTPDestinati
on.java:234)[1917:org.apache.cxf.cxf-rt-transports-http-jetty:3.1.5.redhat-
630371]\n\tat