karaf-camel-amq - Unknown configuration type: undertow

2018-07-09 11:13:26,836 | WARN  | eb-config-1-thread-1 | o.o.p.w.s.j.i.JettyServerImpl    | 98 - org.ops4j.pax.web.pax-web-jetty - 7.2.1 | No configuration file found with name jetty.xml. Filename given: undertow.xml, will read this one instead. 
2018-07-09 11:13:26,856 | ERROR | eb-config-1-thread-1 | o.o.p.w.s.j.i.JettyServerImpl    | 98 - org.ops4j.pax.web.pax-web-jetty - 7.2.1 | Exception while starting Jetty
java.lang.IllegalStateException: Unknown configuration type: undertow in org.eclipse.jetty.xml.XmlConfiguration@2010b082
	at org.eclipse.jetty.xml.XmlConfiguration.setConfig(XmlConfiguration.java:244) ~[?:?]
	at org.eclipse.jetty.xml.XmlConfiguration.<init>(XmlConfiguration.java:184) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerImpl.start(JettyServerImpl.java:152) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.ServerControllerImpl$Stopped.start(ServerControllerImpl.java:484) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.ServerControllerImpl.start(ServerControllerImpl.java:82) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.ServerControllerFactoryImpl$1.start(ServerControllerFactoryImpl.java:164) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.ServerControllerImpl$Unconfigured.configure(ServerControllerImpl.java:793) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.ServerControllerImpl.configure(ServerControllerImpl.java:98) ~[?:?]
	at org.ops4j.pax.web.service.internal.Activator.updateController(Activator.java:401) ~[?:?]
	at org.ops4j.pax.web.service.internal.Activator.lambda$scheduleUpdateFactory$1(Activator.java:331) ~[?:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:?]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:?]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:?]
	at java.lang.Thread.run(Thread.java:748) [?:?]
2018-07-09 11:13:26,929 | ERROR | eb-config-1-thread-1 | o.o.p.w.s.i.Activator            | 99 - org.ops4j.pax.web.pax-web-runtime - 7.2.1 | Unable to start pax web server: Exception while starting Jetty
java.lang.RuntimeException: Exception while starting Jetty
	at org.ops4j.pax.web.service.jetty.internal.JettyServerImpl.start(JettyServerImpl.java:198) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.ServerControllerImpl$Stopped.start(ServerControllerImpl.java:484) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.ServerControllerImpl.start(ServerControllerImpl.java:82) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.ServerControllerFactoryImpl$1.start(ServerControllerFactoryImpl.java:164) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.ServerControllerImpl$Unconfigured.configure(ServerControllerImpl.java:793) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.ServerControllerImpl.configure(ServerControllerImpl.java:98) ~[?:?]
	at org.ops4j.pax.web.service.internal.Activator.updateController(Activator.java:401) ~[?:?]
	at org.ops4j.pax.web.service.internal.Activator.lambda$scheduleUpdateFactory$1(Activator.java:331) ~[?:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:?]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:?]
	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: java.lang.IllegalStateException: Unknown configuration type: undertow in org.eclipse.jetty.xml.XmlConfiguration@2010b082
	at org.eclipse.jetty.xml.XmlConfiguration.setConfig(XmlConfiguration.java:244) ~[?:?]
	at org.eclipse.jetty.xml.XmlConfiguration.<init>(XmlConfiguration.java:184) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerImpl.start(JettyServerImpl.java:152) ~[?:?]
	... 12 more