2022-10-14 01:01:10.139+0000 [id=70697] INFO    c.n.j.p.d.DockerContainerWatchdog#execute: Docker Container Watchdog check has been completed
2022-10-14 01:01:10.139+0000 [id=70697] INFO    hudson.model.AsyncPeriodicWork#lambda$doRun$0: Finished DockerContainerWatchdog Asynchronous Periodic Work. 0 ms
2022-10-14 01:06:10.139+0000 [id=70857] INFO    hudson.model.AsyncPeriodicWork#lambda$doRun$0: Started DockerContainerWatchdog Asynchronous Periodic Work
2022-10-14 01:06:10.139+0000 [id=70857] INFO    c.n.j.p.d.DockerContainerWatchdog#execute: Docker Container Watchdog has been triggered
2022-10-14 01:06:10.139+0000 [id=70857] INFO    c.n.j.p.d.DockerContainerWatchdog$Statistics#writeStatisticsToLog: Watchdog Statistics: Number of overall executions: 454, Executions with processing timeout: 0, Containers removed gracefully: 0, Containers removed with force: 0, Containers removal failed: 0, Nodes removed successfully: 0, Nodes removal failed: 0, Container removal average duration (gracefully): 0 ms, Container removal average duration (force): 0 ms, Average overall runtime of watchdog: 0 ms, Average runtime of container retrieval: 0 ms
2022-10-14 01:06:10.139+0000 [id=70857] INFO    c.n.j.p.d.DockerContainerWatchdog#loadNodeMap: We currently have 4 nodes assigned to this Jenkins instance, which we will check
2022-10-14 01:06:10.139+0000 [id=70857] INFO    c.n.j.p.d.DockerContainerWatchdog#execute: Docker Container Watchdog check has been completed
2022-10-14 01:06:10.139+0000 [id=70857] INFO    hudson.model.AsyncPeriodicWork#lambda$doRun$0: Finished DockerContainerWatchdog Asynchronous Periodic Work. 0 ms
2022-10-14 01:09:00.268+0000 [id=56]    WARNING j.agents.WebSocketAgents$Session#error
org.eclipse.jetty.websocket.core.exception.WebSocketTimeoutException: Connection Idle Timeout
Caused: org.eclipse.jetty.websocket.api.exceptions.WebSocketTimeoutException: Connection Idle Timeout
        at org.eclipse.jetty.websocket.common.JettyWebSocketFrameHandler.convertCause(JettyWebSocketFrameHandler.java:524)
        at org.eclipse.jetty.websocket.common.JettyWebSocketFrameHandler.onError(JettyWebSocketFrameHandler.java:258)        at org.eclipse.jetty.websocket.core.internal.WebSocketCoreSession.lambda$closeConnection$2(WebSocketCoreSession.java:284)
        at org.eclipse.jetty.server.handler.ContextHandler.handle(ContextHandler.java:1468)
        at org.eclipse.jetty.server.handler.ContextHandler.handle(ContextHandler.java:1487)
        at org.eclipse.jetty.websocket.core.server.internal.AbstractHandshaker$1.handle(AbstractHandshaker.java:212)
        at org.eclipse.jetty.websocket.core.internal.WebSocketCoreSession.closeConnection(WebSocketCoreSession.java:284)
        at org.eclipse.jetty.websocket.core.internal.WebSocketCoreSession.lambda$sendFrame$7(WebSocketCoreSession.java:519)
        at org.eclipse.jetty.util.Callback$3.succeeded(Callback.java:155)
        at org.eclipse.jetty.websocket.core.internal.TransformingFlusher.notifyCallbackSuccess(TransformingFlusher.j)        at org.eclipse.jetty.websocket.core.internal.TransformingFlusher$Flusher.process(TransformingFlusher.java:154)
        at org.eclipse.jetty.util.IteratingCallback.processing(IteratingCallback.java:232)
        at org.eclipse.jetty.util.IteratingCallback.iterate(IteratingCallback.java:214)
        at org.eclipse.jetty.websocket.core.internal.TransformingFlusher.sendFrame(TransformingFlusher.java:77)
        at org.eclipse.jetty.websocket.core.internal.WebSocketCoreSession.sendFrame(WebSocketCoreSession.java:522)
        at org.eclipse.jetty.websocket.core.internal.WebSocketCoreSession.close(WebSocketCoreSession.java:239)
        at org.eclipse.jetty.websocket.core.internal.WebSocketCoreSession.processHandlerError(WebSocketCoreSession.j)        at org.eclipse.jetty.websocket.core.internal.WebSocketConnection.onIdleExpired(WebSocketConnection.java:233)
        at org.eclipse.jetty.io.AbstractEndPoint.onIdleExpired(AbstractEndPoint.java:407)
        at org.eclipse.jetty.io.IdleTimeout.checkIdleTimeout(IdleTimeout.java:167)
        at org.eclipse.jetty.io.IdleTimeout.idleCheck(IdleTimeout.java:109)
        at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base/java.lang.Thread.run(Thread.java:833)
2022-10-14 01:09:00.288+0000 [id=56]    INFO    h.plugins.swarm.SwarmLauncher#afterDisconnect: Removing Swarm Node for computer [ip-xxx-xx-xx-xxx.ap-southeast-1.compute.internal-ecb2d963]
2022-10-14 01:09:00.297+0000 [id=56]    INFO    j.s.DefaultJnlpSlaveReceiver#channelClosed: Connector-Scheduler-395b56bb-1 for ip-xxx-xx-xx-xxx.ap-southeast-1.compute.internal-ecb2d963 terminated: java.nio.channels.ClosedChannelException