12:55:07.156 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 12:55:07.157 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router started 12:55:07.157 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 12:55:07.157 [main] INFO o.o.r.s.m.MdsalRestconfStreamRegistry - Cluster leadership acquired – will write OPERATIONAL view 12:55:07.158 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with service class org.opendaylight.restconf.server.mdsal.MdsalRestconfServer 12:55:07.159 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with base path: /restconf, default encoding: JSON, default pretty print: false 12:55:07.164 [restconf-netty-subscription-1] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0xfc16baf3, L:/127.0.0.1:59330 - R:/127.0.0.1:32791] 12:55:07.367 [restconf-netty-subscription-3] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0x98f06856, L:/127.0.0.1:59346 - R:/127.0.0.1:32791] 12:55:09.525 [main] INFO o.o.r.s.m.MdsalRestconfStreamRegistry - Cluster leadership lost – stop writing OPERATIONAL view 12:55:09.525 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router stopped 12:55:09.525 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router stopped 12:55:09.526 [restconf-netty-subscription-2] 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$DynSubscription.deleteSubscription(AbstractRestconfStreamRegistry.java:310) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.channelClosed(AbstractRestconfStreamRegistry.java:298) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.controlSessionClosed(AbstractRestconfStreamRegistry.java:383) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscriptionResource.removeRegistration(AbstractRestconfStreamRegistry.java:461) 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:250) 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:250) 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:250) at io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelInactive(CombinedChannelDuplexHandler.java:416) at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:412) at io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:377) at io.netty.channel.CombinedChannelDuplexHandler.channelInactive(CombinedChannelDuplexHandler.java:219) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:250) at io.netty.channel.DefaultChannelPipeline$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:535) at io.netty.channel.SingleThreadIoEventLoop.run(SingleThreadIoEventLoop.java:201) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:1193) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at java.base/java.lang.Thread.run(Thread.java:1583) 12:55:09.528 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 12:55:09.529 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router started 12:55:09.529 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 12:55:09.529 [main] INFO o.o.r.s.m.MdsalRestconfStreamRegistry - Cluster leadership acquired – will write OPERATIONAL view 12:55:09.531 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with service class org.opendaylight.restconf.server.mdsal.MdsalRestconfServer 12:55:09.531 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with base path: /restconf, default encoding: JSON, default pretty print: false 12:55:09.533 [restconf-netty-subscription-2] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0x2b4e2e88, L:/127.0.0.1:48742 - R:/127.0.0.1:38707] 12:55:09.737 [restconf-netty-subscription-4] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0x0e80a710, L:/127.0.0.1:48756 - R:/127.0.0.1:38707] 12:55:11.879 [main] INFO o.o.r.s.m.MdsalRestconfStreamRegistry - Cluster leadership lost – stop writing OPERATIONAL view 12:55:11.880 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router stopped 12:55:11.880 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router stopped 12:55:11.882 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 12:55:11.883 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router started 12:55:11.883 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 12:55:11.883 [main] INFO o.o.r.s.m.MdsalRestconfStreamRegistry - Cluster leadership acquired – will write OPERATIONAL view 12:55:11.884 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with service class org.opendaylight.restconf.server.mdsal.MdsalRestconfServer 12:55:11.884 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with base path: /restconf, default encoding: JSON, default pretty print: false Oct 21, 2025 12:55:11 PM com.google.common.util.concurrent.AbstractFuture executeListener SEVERE: RuntimeException while executing runnable CallbackListener{org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription$4@3f452ab0} with executor MoreExecutors.directExecutor() java.lang.NullPointerException: Cannot invoke "org.opendaylight.mdsal.dom.api.DOMTransactionChain.newWriteOnlyTransaction()" because "this.txChain" is null at org.opendaylight.restconf.server.mdsal.MdsalRestconfStreamRegistry.updateSubscriptionReceivers(MdsalRestconfStreamRegistry.java:557) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.updateOperationalDatastore(AbstractRestconfStreamRegistry.java:210) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.removeReceiver(AbstractRestconfStreamRegistry.java:193) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription$1$1.removeRegistration(AbstractRestconfStreamRegistry.java:176) at org.opendaylight.yangtools.concepts.AbstractRegistration.close(AbstractRegistration.java:65) at org.opendaylight.restconf.server.ChannelSender.endOfStream(ChannelSender.java:70) at org.opendaylight.restconf.server.spi.Subscriber.endOfStream(Subscriber.java:189) at java.base/java.util.concurrent.ConcurrentHashMap$KeySetView.forEach(ConcurrentHashMap.java:4709) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription$4.onSuccess(AbstractRestconfStreamRegistry.java:314) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription$4.onSuccess(AbstractRestconfStreamRegistry.java:310) at com.google.common.util.concurrent.Futures$CallbackListener.run(Futures.java:1132) at com.google.common.util.concurrent.DirectExecutor.execute(DirectExecutor.java:30) at com.google.common.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:1004) at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:469) at com.google.common.util.concurrent.FluentFuture$TrustedFuture.addListener(FluentFuture.java:114) at com.google.common.util.concurrent.Futures.addCallback(Futures.java:1098) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.deleteSubscription(AbstractRestconfStreamRegistry.java:310) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.channelClosed(AbstractRestconfStreamRegistry.java:298) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.controlSessionClosed(AbstractRestconfStreamRegistry.java:383) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscriptionResource.removeRegistration(AbstractRestconfStreamRegistry.java:461) at org.opendaylight.yangtools.concepts.AbstractRegistration.close(AbstractRegistration.java:65) at java.base/java.util.ArrayList.forEach(ArrayList.java:1596) at org.opendaylight.restconf.server.spi.DefaultTransportSession.removeRegistration(DefaultTransportSession.java:141) at org.opendaylight.yangtools.concepts.AbstractRegistration.close(AbstractRegistration.java:65) at org.opendaylight.restconf.server.RestconfSession.channelInactive(RestconfSession.java:63) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:250) at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:81) at io.netty.handler.codec.MessageAggregator.channelInactive(MessageAggregator.java:441) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:250) at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:81) at io.netty.handler.codec.MessageAggregator.channelInactive(MessageAggregator.java:441) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:250) at io.netty.channel.CombinedChannelDuplexHandler$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:250) 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:535) at io.netty.channel.SingleThreadIoEventLoop.run(SingleThreadIoEventLoop.java:201) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:1193) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at java.base/java.lang.Thread.run(Thread.java:1583) 12:55:11.891 [restconf-netty-subscription-3] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0xae726d87, L:/127.0.0.1:41648 - R:/127.0.0.1:38841] 12:55:12.094 [restconf-netty-subscription-5] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0x494cf0a2, L:/127.0.0.1:41652 - R:/127.0.0.1:38841] 12:55:14.126 [main] INFO o.o.r.s.m.MdsalRestconfStreamRegistry - Cluster leadership lost – stop writing OPERATIONAL view 12:55:14.126 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router stopped 12:55:14.126 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router stopped 12:55:14.126 [restconf-netty-subscription-4] WARN i.n.channel.DefaultChannelPipeline - An exceptionCaught() event was fired, and it reached at the tail of the pipeline. It usually means the last handler in the pipeline did not handle the exception. java.lang.NullPointerException: Cannot invoke "org.opendaylight.mdsal.dom.api.DOMTransactionChain.newWriteOnlyTransaction()" because "this.txChain" is null at org.opendaylight.restconf.server.mdsal.MdsalRestconfStreamRegistry.removeSubscription(MdsalRestconfStreamRegistry.java:421) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.deleteSubscription(AbstractRestconfStreamRegistry.java:310) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.channelClosed(AbstractRestconfStreamRegistry.java:298) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription.controlSessionClosed(AbstractRestconfStreamRegistry.java:383) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscriptionResource.removeRegistration(AbstractRestconfStreamRegistry.java:461) at org.opendaylight.yangtools.concepts.AbstractRegistration.close(AbstractRegistration.java:65) at java.base/java.util.ArrayList.forEach(ArrayList.java:1596) at org.opendaylight.restconf.server.spi.DefaultTransportSession.removeRegistration(DefaultTransportSession.java:141) at org.opendaylight.yangtools.concepts.AbstractRegistration.close(AbstractRegistration.java:65) at org.opendaylight.restconf.server.RestconfSession.channelInactive(RestconfSession.java:63) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:250) at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:81) at io.netty.handler.codec.MessageAggregator.channelInactive(MessageAggregator.java:441) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:250) at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:81) at io.netty.handler.codec.MessageAggregator.channelInactive(MessageAggregator.java:441) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:250) at io.netty.channel.CombinedChannelDuplexHandler$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:250) 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:535) at io.netty.channel.SingleThreadIoEventLoop.run(SingleThreadIoEventLoop.java:201) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:1193) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at java.base/java.lang.Thread.run(Thread.java:1583)