ConcurrentModificationException checking Hub path

[donaldoakes]

Stack trace:

2019-07-01 12:32:21.111 ERROR 27330 --- [io-14133-exec-9] o.a.c.c.C.[.[.[.[.c.m.h.s.RestServlet]   : Servlet.service() for servlet [com.centurylink.mdw.hub.servlet.RestServlet] in context with path [/mdw] threw exception

java.util.ConcurrentModificationException: null
       at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:909) ~[na:1.8.0_161]
       at java.util.ArrayList$Itr.next(ArrayList.java:859) ~[na:1.8.0_161]
       at com.centurylink.mdw.hub.context.ContextPaths.isHubPath(ContextPaths.java:88) ~[mdw-spring-boot-6.1.21.jar!/:na]
       at com.centurylink.mdw.boot.servlet.WebContentFilter.doFilter(WebContentFilter.java:53) ~[mdw-spring-boot-6.1.21.jar!/:na]
       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.32.jar!/:8.5.32]
       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.32.jar!/:8.5.32]
       at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) ~[spring-web-5.0.8.RELEASE.jar!/:5.0.8.RELEASE]