exception during websocket server shutdown [SPR-14716]

[spring-projects-issues]

Prashant Deva opened SPR-14716 and commented

This is the exception i get.
Running on tomcat 8. Clients were connected to the server when I initiated the shutdown

15:25:55,258 DEBUG clientInboundChannel-34 stomp.StompBrokerRelayMessageHandler:777 - Forwarding DISCONNECT session=fea710adeb5c429280e56fa78a739a84
15:25:55,258 DEBUG localhost-startStop-2 support.DefaultLifecycleProcessor:235 - Bean 'subProtocolWebSocketHandler' completed its stop procedure
15:25:55,259 DEBUG localhost-startStop-2 support.DefaultLifecycleProcessor:226 - Asking bean 'stompWebSocketHandlerMapping' of type [class org.springframework.web.socket.server.support.WebSocketHandlerMapping] to stop
15:25:55,259 TRACE reactor-tcp-io-6 stomp.StompEncoder:107 - Encoding STOMP DISCONNECT, headers=null
15:25:55,259 DEBUG localhost-startStop-2 support.DefaultLifecycleProcessor:235 - Bean 'stompWebSocketHandlerMapping' completed its stop procedure
15:25:55,259 DEBUG localhost-startStop-2 support.DefaultLifecycleProcessor:226 - Asking bean 'userDestinationMessageHandler' of type [class org.springframework.messaging.simp.user.UserDestinationMessageHandler] to stop
15:25:55,259 DEBUG localhost-startStop-2 support.ExecutorSubscribableChannel:61 - clientInboundChannel removed UserDestinationMessageHandler[DefaultUserDestinationResolver[prefix=/user/]]
15:25:55,260 DEBUG localhost-startStop-2 support.ExecutorSubscribableChannel:61 - brokerChannel removed UserDestinationMessageHandler[DefaultUserDestinationResolver[prefix=/user/]]
15:25:55,260 DEBUG localhost-startStop-2 support.DefaultLifecycleProcessor:235 - Bean 'userDestinationMessageHandler' completed its stop procedure
15:25:55,260 DEBUG localhost-startStop-2 support.DefaultLifecycleProcessor:226 - Asking bean 'stompBrokerRelayMessageHandler' of type [class org.springframework.messaging.simp.stomp.StompBrokerRelayMessageHandler] to stop
15:25:55,260  INFO localhost-startStop-2 stomp.StompBrokerRelayMessageHandler:177 - Stopping...
15:25:55,260  INFO localhost-startStop-2 stomp.StompBrokerRelayMessageHandler:270 - BrokerAvailabilityEvent[available=false, StompBrokerRelay[127.0.0.1:61613]]
15:25:55,261 DEBUG reactor-tcp-io-6 stomp.StompBrokerRelayMessageHandler:714 - TCP connection to broker closed in session fea710adeb5c429280e56fa78a739a84
15:25:55,261 TRACE localhost-startStop-2 support.AnnotationConfigWebApplicationContext:361 - Publishing event in WebApplicationContext for namespace 'dispatcher-servlet': BrokerAvailabilityEvent[available=false, StompBrokerRelay[127.0.0.1:61613]]
15:25:55,261 DEBUG reactor-tcp-io-6 stomp.StompBrokerRelayMessageHandler:832 - Cleaning up connection state for session fea710adeb5c429280e56fa78a739a84
15:25:55,296 ERROR globalEventExecutor-1-6 DefaultPromise.rejectedExecution:181 - Failed to submit a listener notification task. Event loop shut down?
java.util.concurrent.RejectedExecutionException: event executor terminated
	at io.netty.util.concurrent.SingleThreadEventExecutor.reject(SingleThreadEventExecutor.java:836)
	at io.netty.util.concurrent.SingleThreadEventExecutor.offerTask(SingleThreadEventExecutor.java:342)
	at io.netty.util.concurrent.SingleThreadEventExecutor.addTask(SingleThreadEventExecutor.java:335)
	at io.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:761)
	at io.netty.util.concurrent.DefaultPromise.safeExecute(DefaultPromise.java:767)
	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:435)
	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:111)
	at io.netty.channel.DefaultChannelPromise.trySuccess(DefaultChannelPromise.java:82)
	at io.netty.channel.AbstractChannel$CloseFuture.setClosed(AbstractChannel.java:1058)
	at io.netty.channel.AbstractChannel$AbstractUnsafe.doClose0(AbstractChannel.java:686)
	at io.netty.channel.AbstractChannel$AbstractUnsafe.access$700(AbstractChannel.java:419)
	at io.netty.channel.AbstractChannel$AbstractUnsafe$5.run(AbstractChannel.java:646)
	at io.netty.util.concurrent.GlobalEventExecutor$TaskRunner.run(GlobalEventExecutor.java:233)
	at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144)
	at java.lang.Thread.run(Thread.java:745)
15:25:55,297  WARN globalEventExecutor-1-6 channel.AbstractChannel:151 - Can't invoke task later as EventLoop rejected it
java.util.concurrent.RejectedExecutionException: event executor terminated
	at io.netty.util.concurrent.SingleThreadEventExecutor.reject(SingleThreadEventExecutor.java:836)
	at io.netty.util.concurrent.SingleThreadEventExecutor.offerTask(SingleThreadEventExecutor.java:342)
	at io.netty.util.concurrent.SingleThreadEventExecutor.addTask(SingleThreadEventExecutor.java:335)
	at io.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:761)
	at io.netty.channel.AbstractChannel$AbstractUnsafe.invokeLater(AbstractChannel.java:931)
	at io.netty.channel.AbstractChannel$AbstractUnsafe.access$900(AbstractChannel.java:419)
	at io.netty.channel.AbstractChannel$AbstractUnsafe$5.run(AbstractChannel.java:649)
	at io.netty.util.concurrent.GlobalEventExecutor$TaskRunner.run(GlobalEventExecutor.java:233)
	at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144)
	at java.lang.Thread.run(Thread.java:745)

---

Affects: 4.2.6

Issue Links:

• NPE during websocket disconnect [SPR-14703] #19268 NPE during websocket disconnect
• exception during websocket client close [SPR-14721] #19286 exception during websocket client close

[spring-projects-issues]

Bulk closing outdated, unresolved issues. Please, reopen if still relevant.