03:46:52.025 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 03:46:52.025 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router started 03:46:52.025 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 03:46:52.025 [main] INFO o.o.r.s.m.MdsalRestconfStreamRegistry - Cluster leadership acquired – will write OPERATIONAL view 03:46:52.026 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with service class org.opendaylight.restconf.server.mdsal.MdsalRestconfServer 03:46:52.026 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with base path: /restconf, default encoding: JSON, default pretty print: false 03:46:52.027 [main] INFO o.o.restconf.server.NettyEndpoint - HTTP/3 is disabled because transport is not configured 03:46:52.029 [restconf-netty-subscription-1] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0xd550b42f, L:/127.0.0.1:36116 - R:/127.0.0.1:38329] 03:46:52.233 [restconf-netty-subscription-3] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0x07425a3d, L:/127.0.0.1:36122 - R:/127.0.0.1:38329] 03:46:57.663 [main] INFO o.o.r.s.m.MdsalRestconfStreamRegistry - Cluster leadership lost – stop writing OPERATIONAL view 03:46:57.664 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router stopped 03:46:57.664 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router stopped 03:46:57.666 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 03:46:57.666 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router started 03:46:57.666 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 03:46:57.666 [main] INFO o.o.r.s.m.MdsalRestconfStreamRegistry - Cluster leadership acquired – will write OPERATIONAL view 03:46:57.667 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with service class org.opendaylight.restconf.server.mdsal.MdsalRestconfServer 03:46:57.667 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with base path: /restconf, default encoding: JSON, default pretty print: false 03:46:57.668 [main] INFO o.o.restconf.server.NettyEndpoint - HTTP/3 is disabled because transport is not configured 03:46:57.670 [restconf-netty-subscription-6] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0xc6363b1b, L:/127.0.0.1:42010 - R:/127.0.0.1:46769] Sep 12, 2026 3:46:57 AM com.google.common.util.concurrent.AbstractFuture executeListener SEVERE: RuntimeException while executing runnable CallbackListener{org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription$4@5e7c6c55} with executor MoreExecutors.directExecutor() java.lang.NullPointerException: Cannot invoke "org.opendaylight.mdsal.dom.api.DOMTransactionChain.newWriteOnlyTransaction()" because "this.txChain" is null at org.opendaylight.restconf.server.mdsal.MdsalRestconfStreamRegistry.updateSubscriptionReceivers(MdsalRestconfStreamRegistry.java:557) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.updateOperationalDatastore(AbstractRestconfStreamRegistry.java:207) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.removeReceiver(AbstractRestconfStreamRegistry.java:190) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription$1$1.removeRegistration(AbstractRestconfStreamRegistry.java:173) at org.opendaylight.yangtools.concepts.AbstractRegistration.close(AbstractRegistration.java:65) at org.opendaylight.restconf.server.ChannelSender.endOfStream(ChannelSender.java:70) at org.opendaylight.restconf.server.spi.Subscriber.endOfStream(Subscriber.java:183) at java.base/java.util.concurrent.ConcurrentHashMap$KeySetView.forEach(ConcurrentHashMap.java:4709) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription$4.onSuccess(AbstractRestconfStreamRegistry.java:311) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription$4.onSuccess(AbstractRestconfStreamRegistry.java:307) at com.google.common.util.concurrent.Futures$CallbackListener.run(Futures.java:1126) at com.google.common.util.concurrent.DirectExecutor.execute(DirectExecutor.java:30) at com.google.common.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:1021) at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:486) at com.google.common.util.concurrent.FluentFuture$TrustedFuture.addListener(FluentFuture.java:115) at com.google.common.util.concurrent.Futures.addCallback(Futures.java:1092) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.deleteSubscription(AbstractRestconfStreamRegistry.java:307) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.channelClosed(AbstractRestconfStreamRegistry.java:295) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.controlSessionClosed(AbstractRestconfStreamRegistry.java:380) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscriptionResource.removeRegistration(AbstractRestconfStreamRegistry.java:458) at org.opendaylight.yangtools.concepts.AbstractRegistration.close(AbstractRegistration.java:65) at java.base/java.util.ArrayList.forEach(ArrayList.java:1596) at org.opendaylight.restconf.server.spi.DefaultTransportSession.removeRegistration(DefaultTransportSession.java:141) at org.opendaylight.yangtools.concepts.AbstractRegistration.close(AbstractRegistration.java:65) at org.opendaylight.restconf.server.RestconfSession.channelInactive(RestconfSession.java:73) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:251) at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:81) at io.netty.handler.codec.MessageAggregator.channelInactive(MessageAggregator.java:438) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:251) at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:81) at io.netty.handler.codec.MessageAggregator.channelInactive(MessageAggregator.java:438) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:251) at io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelInactive(CombinedChannelDuplexHandler.java:416) at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:427) at io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:392) 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$6.run(AbstractChannel.java:676) 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:535) at io.netty.channel.SingleThreadIoEventLoop.run(SingleThreadIoEventLoop.java:201) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:1204) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at java.base/java.lang.Thread.run(Thread.java:1583) 03:46:57.873 [restconf-netty-subscription-0] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0xd105f7c0, L:/127.0.0.1:42022 - R:/127.0.0.1:46769] 03:47:03.079 [main] INFO o.o.r.s.m.MdsalRestconfStreamRegistry - Cluster leadership lost – stop writing OPERATIONAL view 03:47:03.080 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router stopped 03:47:03.080 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router stopped 03:47:03.080 [restconf-netty-subscription-7] WARN i.n.channel.DefaultChannelPipeline - An exceptionCaught() event was fired, and it reached at the tail of the pipeline. It usually means the last handler in the pipeline did not handle the exception. java.lang.NullPointerException: Cannot invoke "org.opendaylight.mdsal.dom.api.DOMTransactionChain.newWriteOnlyTransaction()" because "this.txChain" is null at org.opendaylight.restconf.server.mdsal.MdsalRestconfStreamRegistry.removeSubscription(MdsalRestconfStreamRegistry.java:421) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.deleteSubscription(AbstractRestconfStreamRegistry.java:307) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.channelClosed(AbstractRestconfStreamRegistry.java:295) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.controlSessionClosed(AbstractRestconfStreamRegistry.java:380) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscriptionResource.removeRegistration(AbstractRestconfStreamRegistry.java:458) at org.opendaylight.yangtools.concepts.AbstractRegistration.close(AbstractRegistration.java:65) at java.base/java.util.ArrayList.forEach(ArrayList.java:1596) at org.opendaylight.restconf.server.spi.DefaultTransportSession.removeRegistration(DefaultTransportSession.java:141) at org.opendaylight.yangtools.concepts.AbstractRegistration.close(AbstractRegistration.java:65) at org.opendaylight.restconf.server.RestconfSession.channelInactive(RestconfSession.java:73) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:251) at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:81) at io.netty.handler.codec.MessageAggregator.channelInactive(MessageAggregator.java:438) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:251) at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:81) at io.netty.handler.codec.MessageAggregator.channelInactive(MessageAggregator.java:438) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:251) at io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelInactive(CombinedChannelDuplexHandler.java:416) at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:427) at io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:392) 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$6.run(AbstractChannel.java:676) 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:535) at io.netty.channel.SingleThreadIoEventLoop.run(SingleThreadIoEventLoop.java:201) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:1204) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at java.base/java.lang.Thread.run(Thread.java:1583)