12:40:07.942 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 12:40:07.942 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router started 12:40:07.942 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 12:40:07.944 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with service class org.opendaylight.restconf.server.mdsal.MdsalRestconfServer 12:40:07.944 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with base path: /restconf, default encoding: JSON, default pretty print: false 12:40:07.947 [restconf-netty-subscription-1] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0x072be61e, L:/127.0.0.1:46672 - R:/127.0.0.1:44117] 12:40:08.151 [restconf-netty-subscription-3] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0x721f33bd, L:/127.0.0.1:55324 - R:/127.0.0.1:44117] 12:40:10.291 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router stopped 12:40:10.291 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router stopped 12:40:10.294 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 12:40:10.295 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router started 12:40:10.295 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 12:40:10.297 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with service class org.opendaylight.restconf.server.mdsal.MdsalRestconfServer 12:40:10.297 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with base path: /restconf, default encoding: JSON, default pretty print: false 12:40:10.299 [restconf-netty-subscription-2] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0x94678a79, L:/127.0.0.1:47182 - R:/127.0.0.1:38635] 12:40:10.502 [restconf-netty-subscription-4] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0xe4f3fbbb, L:/127.0.0.1:47198 - R:/127.0.0.1:38635] 12:40:12.635 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router stopped 12:40:12.635 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router stopped 12:40:12.638 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 12:40:12.638 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router started 12:40:12.638 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 12:40:12.640 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with service class org.opendaylight.restconf.server.mdsal.MdsalRestconfServer 12:40:12.640 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with base path: /restconf, default encoding: JSON, default pretty print: false 12:40:12.642 [restconf-netty-subscription-3] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0x5b85c277, L:/127.0.0.1:50038 - R:/127.0.0.1:36779] 12:40:12.846 [restconf-netty-subscription-5] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0x4abcf445, L:/127.0.0.1:50044 - R:/127.0.0.1:36779] 12:40:14.877 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router stopped 12:40:14.878 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router stopped 12:40:14.877 [restconf-netty-subscription-4] WARN i.n.channel.DefaultChannelPipeline - An exceptionCaught() event was fired, and it reached at the tail of the pipeline. It usually means the last handler in the pipeline did not handle the exception. java.lang.NullPointerException: Cannot invoke "org.opendaylight.mdsal.dom.api.DOMTransactionChain.newWriteOnlyTransaction()" because "this.txChain" is null at org.opendaylight.restconf.server.mdsal.MdsalRestconfStreamRegistry.removeSubscription(MdsalRestconfStreamRegistry.java:388) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.channelClosed(AbstractRestconfStreamRegistry.java:235) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.controlSessionClosed(AbstractRestconfStreamRegistry.java:258) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscriptionResource.removeRegistration(AbstractRestconfStreamRegistry.java:285) at org.opendaylight.yangtools.concepts.AbstractRegistration.close(AbstractRegistration.java:65) at java.base/java.util.ArrayList.forEach(ArrayList.java:1596) at org.opendaylight.restconf.server.spi.DefaultTransportSession.removeRegistration(DefaultTransportSession.java:141) at org.opendaylight.yangtools.concepts.AbstractRegistration.close(AbstractRegistration.java:65) at org.opendaylight.restconf.server.RestconfSession.channelInactive(RestconfSession.java:64) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:251) at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:81) at io.netty.handler.codec.MessageAggregator.channelInactive(MessageAggregator.java:441) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:251) at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:81) at io.netty.handler.codec.MessageAggregator.channelInactive(MessageAggregator.java:441) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:251) at io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelInactive(CombinedChannelDuplexHandler.java:416) at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:412) at io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:377) at io.netty.channel.CombinedChannelDuplexHandler.channelInactive(CombinedChannelDuplexHandler.java:219) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:251) at io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1424) at io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:876) at io.netty.channel.AbstractChannel$AbstractUnsafe$8.run(AbstractChannel.java:684) at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:148) at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:141) at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:507) at io.netty.channel.SingleThreadIoEventLoop.run(SingleThreadIoEventLoop.java:182) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:1073) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at java.base/java.lang.Thread.run(Thread.java:1583)