Ambari Server log is flooded with WARN messages regarding EOFException on WebSockets

Ambari Server host:
http://172.27.72.81:8080/

Thousands of instances of the following is seen.

04 Apr 2018 21:07:01,321 WARN [clientOutboundChannel-1229] CompressExtension:418 -
java.io.EOFException: Connection has been closed locally
at org.eclipse.jetty.websocket.common.io.FrameFlusher.enqueue(FrameFlusher.java:339)
at org.eclipse.jetty.websocket.common.io.AbstractWebSocketConnection.outgoingFrame(AbstractWebSocketConnection.java:614)
at org.eclipse.jetty.websocket.common.extensions.AbstractExtension.nextOutgoingFrame(AbstractExtension.java:188)
at org.eclipse.jetty.websocket.common.extensions.compress.CompressExtension.access$1000(CompressExtension.java:42)
at org.eclipse.jetty.websocket.common.extensions.compress.CompressExtension$Flusher.compress(CompressExtension.java:550)
at org.eclipse.jetty.websocket.common.extensions.compress.CompressExtension$Flusher.deflate(CompressExtension.java:451)
at org.eclipse.jetty.websocket.common.extensions.compress.CompressExtension$Flusher.process(CompressExtension.java:431)
at org.eclipse.jetty.util.IteratingCallback.processing(IteratingCallback.java:241)
at org.eclipse.jetty.util.IteratingCallback.iterate(IteratingCallback.java:224)
at org.eclipse.jetty.websocket.common.extensions.compress.CompressExtension.outgoingFrame(CompressExtension.java:218)
at org.eclipse.jetty.websocket.common.extensions.ExtensionStack$Flusher.process(ExtensionStack.java:419)
at org.eclipse.jetty.util.IteratingCallback.processing(IteratingCallback.java:241)
at org.eclipse.jetty.util.IteratingCallback.iterate(IteratingCallback.java:224)
at org.eclipse.jetty.websocket.common.extensions.ExtensionStack.outgoingFrame(ExtensionStack.java:296)
at org.eclipse.jetty.websocket.common.WebSocketRemoteEndpoint.uncheckedSendFrame(WebSocketRemoteEndpoint.java:310)
at org.eclipse.jetty.websocket.common.WebSocketRemoteEndpoint.blockingWrite(WebSocketRemoteEndpoint.java:106)
at org.eclipse.jetty.websocket.common.WebSocketRemoteEndpoint.sendString(WebSocketRemoteEndpoint.java:393)
at org.springframework.web.socket.adapter.jetty.JettyWebSocketSession.sendTextMessage(JettyWebSocketSession.java:273)
at org.springframework.web.socket.adapter.AbstractWebSocketSession.sendMessage(AbstractWebSocketSession.java:101)
at org.springframework.web.socket.handler.ConcurrentWebSocketSessionDecorator.tryFlushMessageBuffer(ConcurrentWebSocketSessionDecorator.java:132)
at org.springframework.web.socket.handler.ConcurrentWebSocketSessionDecorator.sendMessage(ConcurrentWebSocketSessionDecorator.java:104)
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