12:58:59.900 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 12:58:59.901 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router started 12:58:59.901 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 12:58:59.903 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with service class org.opendaylight.restconf.server.mdsal.MdsalRestconfServer 12:58:59.903 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with base path: /restconf, default encoding: JSON, default pretty print: false 12:58:59.905 [restconf-netty-subscription-1] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0x37118d47, L:/127.0.0.1:44274 - R:/127.0.0.1:34153] 12:59:00.109 [restconf-netty-subscription-3] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0xa93454f1, L:/127.0.0.1:44278 - R:/127.0.0.1:34153] 12:59:02.255 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router stopped 12:59:02.256 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router stopped 12:59:02.258 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 12:59:02.258 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router started 12:59:02.258 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 12:59:02.260 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with service class org.opendaylight.restconf.server.mdsal.MdsalRestconfServer 12:59:02.261 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with base path: /restconf, default encoding: JSON, default pretty print: false 12:59:02.262 [restconf-netty-subscription-2] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0x1d8a88b2, L:/127.0.0.1:56928 - R:/127.0.0.1:38357] 12:59:02.466 [restconf-netty-subscription-4] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0xca24badb, L:/127.0.0.1:56944 - R:/127.0.0.1:38357] 12:59:04.602 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router stopped 12:59:04.602 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router stopped 12:59:04.605 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 12:59:04.605 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router started 12:59:04.605 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 12:59:04.607 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with service class org.opendaylight.restconf.server.mdsal.MdsalRestconfServer 12:59:04.607 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with base path: /restconf, default encoding: JSON, default pretty print: false 12:59:04.609 [restconf-netty-subscription-3] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0xdd68d531, L:/127.0.0.1:38946 - R:/127.0.0.1:43791] 12:59:04.812 [restconf-netty-subscription-5] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0xfaf9a8f7, L:/127.0.0.1:38954 - R:/127.0.0.1:43791] 12:59:06.847 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router stopped 12:59:06.848 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router stopped 12:59:06.848 [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:392) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.deleteSubscription(AbstractRestconfStreamRegistry.java:247) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.channelClosed(AbstractRestconfStreamRegistry.java:235) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.controlSessionClosed(AbstractRestconfStreamRegistry.java:270) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscriptionResource.removeRegistration(AbstractRestconfStreamRegistry.java:297) 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:63) 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)