17:52:08,756 ERROR [io.undertow.request] (pool-2-thread-1) UT005071: Undertow request failed HttpServerExchange{ GET /unsecure request DefaultHttpHeaders[Host: localhost:7776, Connection: Keep-Alive, User-Agent: Apache-HttpClient/4.5.6 (Java/1.8.0_201), Accept-Encoding: gzip,deflate] response DefaultHttpHeaders[]}: java.lang.StackOverflowError
at io.undertow.util.HeaderMap.addLast(HeaderMap.java:199)
at io.undertow.util.HeaderMap.add(HeaderMap.java:182)
at io.undertow.util.HeaderMap.addLast(HeaderMap.java:199)
at io.undertow.util.HeaderMap.add(HeaderMap.java:182)