java.lang.IllegalArgumentException

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  • java.lang.IllegalArgumentException: No implementation of method: :on-close of protocol: #'org.httpkit.server/Channel found for class: nil at clojure.core$_cache_protocol_fn.invokeStatic(core_deftype.clj:568) at clojure.core$_cache_protocol_fn.invoke(core_deftype.clj:560) at org.httpkit.server$eval3875$fn__3932$G__3866__3939.invoke(server.clj:63) at server_sdk_monitor.server$ws_handler.invokeStatic(server.clj:55) at server_sdk_monitor.server$ws_handler.invoke(server.clj:51) at server_sdk_monitor.server$fn__8616.invokeStatic(server.clj:112) at server_sdk_monitor.server$fn__8616.invoke(server.clj:112) at compojure.core$make_route$fn__3760.invoke(core.clj:99) at compojure.core$if_route$fn__3744.invoke(core.clj:45) at compojure.core$if_method$fn__3737.invoke(core.clj:30) at compojure.core$routing$fn__3766.invoke(core.clj:112) at clojure.core$some.invokeStatic(core.clj:2592) at clojure.core$some.invoke(core.clj:2583) at compojure.core$routing.invokeStatic(core.clj:112) at compojure.core$routing.doInvoke(core.clj:109) at clojure.lang.RestFn.applyTo(RestFn.java:139) at clojure.core$apply.invokeStatic(core.clj:648) at clojure.core$apply.invoke(core.clj:641) at compojure.core$routes$fn__3770.invoke(core.clj:117) at ring.middleware.params$wrap_params$fn__7104.invoke(params.clj:64) at ring.middleware.head$wrap_head$fn__4197.invoke(head.clj:32) at ring.middleware.cookies$wrap_cookies$fn__7026.invoke(cookies.clj:161) at ring.adapter.jetty$proxy_handler$fn__6885.invoke(jetty.clj:24) at ring.adapter.jetty.proxy$org.eclipse.jetty.server.handler.AbstractHandler$ff19274a.handle(Unknown Source) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97) at org.eclipse.jetty.server.Server.handle(Server.java:497) at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310) at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257) at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635) at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555) at java.lang.Thread.run(Thread.java:745)
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