2020-05-20 09:11:21.484 ERROR 119259 --- [XNIO-1 task-58] io.undertow.request                      : UT005023: Exception handling request to /favicon.ico

java.lang.IllegalArgumentException: UT000173: An invalid control character [179] was present in the cookie value or attribute

at io.undertow.util.LegacyCookieSupport.isHttpSeparator(LegacyCookieSupport.java:149)

2020-05-20 09:11:21.489 ERROR 119259 --- [XNIO-1 task-58] io.undertow.request                      : UT005022: Exception generating error page /error

java.lang.RuntimeException: java.lang.IllegalArgumentException: UT000173: An invalid control

2020-05-20 09:11:21.489 ERROR 119259 --- [XNIO-1 task-58] io.undertow.request                      : UT005071: Undertow request failed HttpServerExchange{ GET /error}

java.lang.IllegalArgumentException: UT000173: An invalid control character [179] was present in the cookie value or attribute

at io.undertow.util.LegacyCookieSupport.isHttpSeparator(LegacyCookieSupport.java:149)