19:30:16.542 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 19:30:16.542 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router started 19:30:16.542 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 19:30:16.542 [main] INFO o.o.r.s.m.MdsalRestconfStreamRegistry - Cluster leadership acquired – will write OPERATIONAL view 19:30:16.544 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with service class org.opendaylight.restconf.server.mdsal.MdsalRestconfServer 19:30:16.544 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with base path: /restconf, default encoding: JSON, default pretty print: false 19:30:16.546 [restconf-netty-subscription-1] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0x03768eeb, L:/127.0.0.1:39240 - R:/127.0.0.1:43327] 19:30:16.750 [restconf-netty-subscription-3] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0x1523f9fc, L:/127.0.0.1:39256 - R:/127.0.0.1:43327] 19:30:18.154 [netconf-timer-20] WARN io.netty.util.HashedWheelTimer - An exception was thrown by TimerTask. java.util.concurrent.RejectedExecutionException: event executor terminated at io.netty.util.concurrent.SingleThreadEventExecutor.reject(SingleThreadEventExecutor.java:1125) at io.netty.util.concurrent.SingleThreadEventExecutor.offerTask(SingleThreadEventExecutor.java:413) at io.netty.util.concurrent.SingleThreadEventExecutor.addTask(SingleThreadEventExecutor.java:406) at io.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:1027) at io.netty.util.concurrent.SingleThreadEventExecutor.execute0(SingleThreadEventExecutor.java:993) at io.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:983) at org.opendaylight.netconf.nettyutil.NetconfSessionNegotiator.lambda$start$1(NetconfSessionNegotiator.java:186) at io.netty.util.HashedWheelTimer$HashedWheelTimeout.run(HashedWheelTimer.java:717) at io.netty.util.concurrent.ImmediateExecutor.execute(ImmediateExecutor.java:34) at io.netty.util.HashedWheelTimer$HashedWheelTimeout.expire(HashedWheelTimer.java:705) at io.netty.util.HashedWheelTimer$HashedWheelBucket.expireTimeouts(HashedWheelTimer.java:791) at io.netty.util.HashedWheelTimer$Worker.run(HashedWheelTimer.java:501) at java.base/java.lang.VirtualThread.run(VirtualThread.java:329) 19:30:18.857 [restconf-netty-subscription-4] ERROR io.netty.util.ResourceLeakDetector - LEAK: ByteBuf.release() was not called before it's garbage-collected. See https://netty.io/wiki/reference-counted-objects.html for more information. Recent access records: Created at: io.netty.buffer.AbstractByteBufAllocator.compositeDirectBuffer(AbstractByteBufAllocator.java:204) io.netty.buffer.AbstractByteBufAllocator.compositeBuffer(AbstractByteBufAllocator.java:182) io.netty.handler.codec.MessageAggregator.decode(MessageAggregator.java:269) io.netty.handler.codec.http.HttpServerUpgradeHandler.decode(HttpServerUpgradeHandler.java:307) io.netty.handler.codec.http.HttpServerUpgradeHandler.decode(HttpServerUpgradeHandler.java:41) io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:91) io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:356) io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelRead(CombinedChannelDuplexHandler.java:434) io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:361) io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:325) io.netty.channel.CombinedChannelDuplexHandler.channelRead(CombinedChannelDuplexHandler.java:249) io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:354) io.netty.handler.codec.ByteToMessageDecoder.handlerRemoved(ByteToMessageDecoder.java:270) io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:553) io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:484) io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:296) io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:356) io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1429) io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:918) io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:172) io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.handle(AbstractNioChannel.java:445) io.netty.channel.nio.NioIoHandler$DefaultNioRegistration.handle(NioIoHandler.java:388) io.netty.channel.nio.NioIoHandler.processSelectedKey(NioIoHandler.java:596) io.netty.channel.nio.NioIoHandler.processSelectedKeysOptimized(NioIoHandler.java:571) io.netty.channel.nio.NioIoHandler.processSelectedKeys(NioIoHandler.java:512) io.netty.channel.nio.NioIoHandler.run(NioIoHandler.java:484) io.netty.channel.SingleThreadIoEventLoop.runIo(SingleThreadIoEventLoop.java:225) io.netty.channel.SingleThreadIoEventLoop.run(SingleThreadIoEventLoop.java:196) io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:1195) io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) java.base/java.lang.Thread.run(Thread.java:1583) 19:30:22.185 [main] INFO o.o.r.s.m.MdsalRestconfStreamRegistry - Cluster leadership lost – stop writing OPERATIONAL view 19:30:22.186 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router stopped 19:30:22.186 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router stopped 19:30:22.190 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 19:30:22.190 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router started 19:30:22.190 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started 19:30:22.191 [main] INFO o.o.r.s.m.MdsalRestconfStreamRegistry - Cluster leadership acquired – will write OPERATIONAL view 19:30:22.192 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with service class org.opendaylight.restconf.server.mdsal.MdsalRestconfServer 19:30:22.192 [main] INFO o.o.r.s.RestconfTransportChannelListener - Initialized with base path: /restconf, default encoding: JSON, default pretty print: false Feb 21, 2026 7:30:22 PM com.google.common.util.concurrent.AbstractFuture executeListener SEVERE: RuntimeException while executing runnable CallbackListener{org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$DynSubscription$4@40f4d273} with executor MoreExecutors.directExecutor() java.lang.NullPointerException: Cannot invoke "org.opendaylight.mdsal.dom.api.DOMTransactionChain.newWriteOnlyTransaction()" because "this.txChain" is null at org.opendaylight.restconf.server.mdsal.MdsalRestconfStreamRegistry.updateSubscriptionReceivers(MdsalRestconfStreamRegistry.java:557) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$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: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: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$DynSubscriptionResource.removeRegistration(AbstractRestconfStreamRegistry.java:458) at org.opendaylight.yangtools.concepts.AbstractRegistration.close(AbstractRegistration.java:65) at java.base/java.util.ArrayList.forEach(ArrayList.java:1596) at org.opendaylight.restconf.server.spi.DefaultTransportSession.removeRegistration(DefaultTransportSession.java:141) at org.opendaylight.yangtools.concepts.AbstractRegistration.close(AbstractRegistration.java:65) at org.opendaylight.restconf.server.RestconfSession.channelInactive(RestconfSession.java:73) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:250) at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:81) at io.netty.handler.codec.MessageAggregator.channelInactive(MessageAggregator.java:441) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:250) at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:81) at io.netty.handler.codec.MessageAggregator.channelInactive(MessageAggregator.java:441) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:250) at io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelInactive(CombinedChannelDuplexHandler.java:416) at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java: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: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:1195) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at java.base/java.lang.Thread.run(Thread.java:1583) 19:30:22.194 [restconf-netty-subscription-6] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0x34bbc918, L:/127.0.0.1:46968 - R:/127.0.0.1:36117] 19:30:22.398 [restconf-netty-subscription-0] INFO o.o.n.t.http.ClientHttp1SseService - Client SSE enabled on channel [id: 0xe03380fd, L:/127.0.0.1:46972 - R:/127.0.0.1:36117] 19:30:22.613 [netconf-timer-22] WARN io.netty.util.HashedWheelTimer - An exception was thrown by TimerTask. java.util.concurrent.RejectedExecutionException: event executor terminated at io.netty.util.concurrent.SingleThreadEventExecutor.reject(SingleThreadEventExecutor.java:1125) at io.netty.util.concurrent.SingleThreadEventExecutor.offerTask(SingleThreadEventExecutor.java:413) at io.netty.util.concurrent.SingleThreadEventExecutor.addTask(SingleThreadEventExecutor.java:406) at io.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:1027) at io.netty.util.concurrent.SingleThreadEventExecutor.execute0(SingleThreadEventExecutor.java:993) at io.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:983) at org.opendaylight.netconf.nettyutil.NetconfSessionNegotiator.lambda$start$1(NetconfSessionNegotiator.java:186) at io.netty.util.HashedWheelTimer$HashedWheelTimeout.run(HashedWheelTimer.java:717) at io.netty.util.concurrent.ImmediateExecutor.execute(ImmediateExecutor.java:34) at io.netty.util.HashedWheelTimer$HashedWheelTimeout.expire(HashedWheelTimer.java:705) at io.netty.util.HashedWheelTimer$HashedWheelBucket.expireTimeouts(HashedWheelTimer.java:791) at io.netty.util.HashedWheelTimer$Worker.run(HashedWheelTimer.java:501) at java.base/java.lang.VirtualThread.run(VirtualThread.java:329) 19:30:23.396 [netconf-timer-24] WARN io.netty.util.HashedWheelTimer - An exception was thrown by TimerTask. java.util.concurrent.RejectedExecutionException: event executor terminated at io.netty.util.concurrent.SingleThreadEventExecutor.reject(SingleThreadEventExecutor.java:1125) at io.netty.util.concurrent.SingleThreadEventExecutor.offerTask(SingleThreadEventExecutor.java:413) at io.netty.util.concurrent.SingleThreadEventExecutor.addTask(SingleThreadEventExecutor.java:406) at io.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:1027) at io.netty.util.concurrent.SingleThreadEventExecutor.execute0(SingleThreadEventExecutor.java:993) at io.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:983) at org.opendaylight.netconf.nettyutil.NetconfSessionNegotiator.lambda$start$1(NetconfSessionNegotiator.java:186) at io.netty.util.HashedWheelTimer$HashedWheelTimeout.run(HashedWheelTimer.java:717) at io.netty.util.concurrent.ImmediateExecutor.execute(ImmediateExecutor.java:34) at io.netty.util.HashedWheelTimer$HashedWheelTimeout.expire(HashedWheelTimer.java:705) at io.netty.util.HashedWheelTimer$HashedWheelBucket.expireTimeouts(HashedWheelTimer.java:791) at io.netty.util.HashedWheelTimer$Worker.run(HashedWheelTimer.java:501) at java.base/java.lang.VirtualThread.run(VirtualThread.java:329) 19:30:24.328 [netconf-timer-26] WARN io.netty.util.HashedWheelTimer - An exception was thrown by TimerTask. java.util.concurrent.RejectedExecutionException: event executor terminated at io.netty.util.concurrent.SingleThreadEventExecutor.reject(SingleThreadEventExecutor.java:1125) at io.netty.util.concurrent.SingleThreadEventExecutor.offerTask(SingleThreadEventExecutor.java:413) at io.netty.util.concurrent.SingleThreadEventExecutor.addTask(SingleThreadEventExecutor.java:406) at io.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:1027) at io.netty.util.concurrent.SingleThreadEventExecutor.execute0(SingleThreadEventExecutor.java:993) at io.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:983) at org.opendaylight.netconf.nettyutil.NetconfSessionNegotiator.lambda$start$1(NetconfSessionNegotiator.java:186) at io.netty.util.HashedWheelTimer$HashedWheelTimeout.run(HashedWheelTimer.java:717) at io.netty.util.concurrent.ImmediateExecutor.execute(ImmediateExecutor.java:34) at io.netty.util.HashedWheelTimer$HashedWheelTimeout.expire(HashedWheelTimer.java:705) at io.netty.util.HashedWheelTimer$HashedWheelBucket.expireTimeouts(HashedWheelTimer.java:791) at io.netty.util.HashedWheelTimer$Worker.run(HashedWheelTimer.java:501) at java.base/java.lang.VirtualThread.run(VirtualThread.java:329) 19:30:27.603 [main] INFO o.o.r.s.m.MdsalRestconfStreamRegistry - Cluster leadership lost – stop writing OPERATIONAL view 19:30:27.604 [main] INFO o.o.mdsal.dom.broker.DOMRpcRouter - DOM RPC/Action router stopped 19:30:27.604 [main] INFO o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router stopped 19:30:27.604 [restconf-netty-subscription-7] WARN i.n.channel.DefaultChannelPipeline - An exceptionCaught() event was fired, and it reached at the tail of the pipeline. It usually means the last handler in the pipeline did not handle the exception. java.lang.NullPointerException: Cannot invoke "org.opendaylight.mdsal.dom.api.DOMTransactionChain.newWriteOnlyTransaction()" because "this.txChain" is null at org.opendaylight.restconf.server.mdsal.MdsalRestconfStreamRegistry.removeSubscription(MdsalRestconfStreamRegistry.java:421) at org.opendaylight.restconf.server.spi.AbstractRestconfStreamRegistry$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$DynSubscriptionResource.removeRegistration(AbstractRestconfStreamRegistry.java:458) at org.opendaylight.yangtools.concepts.AbstractRegistration.close(AbstractRegistration.java:65) at java.base/java.util.ArrayList.forEach(ArrayList.java:1596) at org.opendaylight.restconf.server.spi.DefaultTransportSession.removeRegistration(DefaultTransportSession.java:141) at org.opendaylight.yangtools.concepts.AbstractRegistration.close(AbstractRegistration.java:65) at org.opendaylight.restconf.server.RestconfSession.channelInactive(RestconfSession.java:73) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:250) at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:81) at io.netty.handler.codec.MessageAggregator.channelInactive(MessageAggregator.java:441) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:250) at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:81) at io.netty.handler.codec.MessageAggregator.channelInactive(MessageAggregator.java:441) at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:250) at io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelInactive(CombinedChannelDuplexHandler.java:416) at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java: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: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:1195) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at java.base/java.lang.Thread.run(Thread.java:1583)