05:43:16.940 [pool-34-thread-1] ERROR o.o.b.p.t.provider.TopologyNodeState - Unexpected transaction failure in node DataObjectIdentifier[
  @ urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology
  ... network.topology.Topology[TopologyKey{topologyId=Uri{value=testtopo}}]
  ... topology.Node[NodeKey{nodeId=Uri{value=pcc://127.141.171.128}}]
]
org.opendaylight.mdsal.common.api.OptimisticLockFailedException: Optimistic lock failed.
	at org.opendaylight.mdsal.dom.store.inmemory.InMemoryDOMStoreThreePhaseCommitCohort.canCommit(InMemoryDOMStoreThreePhaseCommitCohort.java:75)
	at org.opendaylight.mdsal.dom.broker.CommitCoordinationTask.canCommitBlocking(CommitCoordinationTask.java:101)
	at org.opendaylight.mdsal.dom.broker.CommitCoordinationTask.call(CommitCoordinationTask.java:71)
	at org.opendaylight.mdsal.dom.broker.CommitCoordinationTask$WithTracker.call(CommitCoordinationTask.java:43)
	at org.opendaylight.mdsal.dom.broker.CommitCoordinationTask$WithTracker.call(CommitCoordinationTask.java:29)
	at com.google.common.util.concurrent.TrustedListenableFutureTask$TrustedFutureInterruptibleTask.runInterruptibly(TrustedListenableFutureTask.java:131)
	at com.google.common.util.concurrent.InterruptibleTask.run(InterruptibleTask.java:76)
	at com.google.common.util.concurrent.TrustedListenableFutureTask.run(TrustedListenableFutureTask.java:82)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
	at java.base/java.lang.Thread.run(Thread.java:1583)
Caused by: org.opendaylight.yangtools.yang.data.tree.api.ConflictingModificationAppliedException: Node was deleted by other transaction.
	at org.opendaylight.yangtools.yang.data.tree.impl.AbstractNodeContainerModificationStrategy.checkTouchApplicable(AbstractNodeContainerModificationStrategy.java:360)
	at org.opendaylight.yangtools.yang.data.tree.impl.SchemaAwareApplyOperation.checkApplicable(SchemaAwareApplyOperation.java:102)
	at org.opendaylight.yangtools.yang.data.tree.impl.AbstractNodeContainerModificationStrategy.checkChildPreconditions(AbstractNodeContainerModificationStrategy.java:408)
	at org.opendaylight.yangtools.yang.data.tree.impl.AbstractNodeContainerModificationStrategy.checkTouchApplicable(AbstractNodeContainerModificationStrategy.java:367)
	at org.opendaylight.yangtools.yang.data.tree.impl.SchemaAwareApplyOperation.checkApplicable(SchemaAwareApplyOperation.java:102)
	at org.opendaylight.yangtools.yang.data.tree.impl.AbstractNodeContainerModificationStrategy.checkChildPreconditions(AbstractNodeContainerModificationStrategy.java:408)
	at org.opendaylight.yangtools.yang.data.tree.impl.AbstractNodeContainerModificationStrategy.checkTouchApplicable(AbstractNodeContainerModificationStrategy.java:367)
	at org.opendaylight.yangtools.yang.data.tree.impl.SchemaAwareApplyOperation.checkApplicable(SchemaAwareApplyOperation.java:102)
	at org.opendaylight.yangtools.yang.data.tree.impl.AbstractNodeContainerModificationStrategy.checkChildPreconditions(AbstractNodeContainerModificationStrategy.java:408)
	at org.opendaylight.yangtools.yang.data.tree.impl.AbstractNodeContainerModificationStrategy.checkTouchApplicable(AbstractNodeContainerModificationStrategy.java:367)
	at org.opendaylight.yangtools.yang.data.tree.impl.SchemaAwareApplyOperation.checkApplicable(SchemaAwareApplyOperation.java:102)
	at org.opendaylight.yangtools.yang.data.tree.impl.AbstractDataTreeTip.validate(AbstractDataTreeTip.java:31)
	at org.opendaylight.mdsal.dom.store.inmemory.InMemoryDOMDataStore.validate(InMemoryDOMDataStore.java:180)
	at org.opendaylight.mdsal.dom.store.inmemory.InMemoryDOMStoreThreePhaseCommitCohort.canCommit(InMemoryDOMStoreThreePhaseCommitCohort.java:68)
	... 10 common frames omitted
05:43:16.946 [pool-34-thread-1] ERROR o.o.b.p.t.p.AbstractTopologySessionListener - Failed to store node DataObjectIdentifier[
  @ urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology
  ... network.topology.Topology[TopologyKey{topologyId=Uri{value=testtopo}}]
  ... topology.Node[NodeKey{nodeId=Uri{value=pcc://127.141.171.128}}]
  @ urn.opendaylight.params.xml.ns.yang.topology.pcep.rev220730.Node1
] for session PCEPSessionImpl{channel=TestingChannel, localOpen=Open{deadTimer=30, keepalive=10, sessionId=0, tlvs=Tlvs{augmentation=[Tlvs1{stateful=Stateful{}}]}}, remoteOpen=Open{deadTimer=30, keepalive=10, sessionId=0}}, terminating it
org.opendaylight.mdsal.common.api.OptimisticLockFailedException: Optimistic lock failed.
	at org.opendaylight.mdsal.dom.store.inmemory.InMemoryDOMStoreThreePhaseCommitCohort.canCommit(InMemoryDOMStoreThreePhaseCommitCohort.java:75)
	at org.opendaylight.mdsal.dom.broker.CommitCoordinationTask.canCommitBlocking(CommitCoordinationTask.java:101)
	at org.opendaylight.mdsal.dom.broker.CommitCoordinationTask.call(CommitCoordinationTask.java:71)
	at org.opendaylight.mdsal.dom.broker.CommitCoordinationTask$WithTracker.call(CommitCoordinationTask.java:43)
	at org.opendaylight.mdsal.dom.broker.CommitCoordinationTask$WithTracker.call(CommitCoordinationTask.java:29)
	at com.google.common.util.concurrent.TrustedListenableFutureTask$TrustedFutureInterruptibleTask.runInterruptibly(TrustedListenableFutureTask.java:131)
	at com.google.common.util.concurrent.InterruptibleTask.run(InterruptibleTask.java:76)
	at com.google.common.util.concurrent.TrustedListenableFutureTask.run(TrustedListenableFutureTask.java:82)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
	at java.base/java.lang.Thread.run(Thread.java:1583)
Caused by: org.opendaylight.yangtools.yang.data.tree.api.ConflictingModificationAppliedException: Node was deleted by other transaction.
	at org.opendaylight.yangtools.yang.data.tree.impl.AbstractNodeContainerModificationStrategy.checkTouchApplicable(AbstractNodeContainerModificationStrategy.java:360)
	at org.opendaylight.yangtools.yang.data.tree.impl.SchemaAwareApplyOperation.checkApplicable(SchemaAwareApplyOperation.java:102)
	at org.opendaylight.yangtools.yang.data.tree.impl.AbstractNodeContainerModificationStrategy.checkChildPreconditions(AbstractNodeContainerModificationStrategy.java:408)
	at org.opendaylight.yangtools.yang.data.tree.impl.AbstractNodeContainerModificationStrategy.checkTouchApplicable(AbstractNodeContainerModificationStrategy.java:367)
	at org.opendaylight.yangtools.yang.data.tree.impl.SchemaAwareApplyOperation.checkApplicable(SchemaAwareApplyOperation.java:102)
	at org.opendaylight.yangtools.yang.data.tree.impl.AbstractNodeContainerModificationStrategy.checkChildPreconditions(AbstractNodeContainerModificationStrategy.java:408)
	at org.opendaylight.yangtools.yang.data.tree.impl.AbstractNodeContainerModificationStrategy.checkTouchApplicable(AbstractNodeContainerModificationStrategy.java:367)
	at org.opendaylight.yangtools.yang.data.tree.impl.SchemaAwareApplyOperation.checkApplicable(SchemaAwareApplyOperation.java:102)
	at org.opendaylight.yangtools.yang.data.tree.impl.AbstractNodeContainerModificationStrategy.checkChildPreconditions(AbstractNodeContainerModificationStrategy.java:408)
	at org.opendaylight.yangtools.yang.data.tree.impl.AbstractNodeContainerModificationStrategy.checkTouchApplicable(AbstractNodeContainerModificationStrategy.java:367)
	at org.opendaylight.yangtools.yang.data.tree.impl.SchemaAwareApplyOperation.checkApplicable(SchemaAwareApplyOperation.java:102)
	at org.opendaylight.yangtools.yang.data.tree.impl.AbstractDataTreeTip.validate(AbstractDataTreeTip.java:31)
	at org.opendaylight.mdsal.dom.store.inmemory.InMemoryDOMDataStore.validate(InMemoryDOMDataStore.java:180)
	at org.opendaylight.mdsal.dom.store.inmemory.InMemoryDOMStoreThreePhaseCommitCohort.canCommit(InMemoryDOMStoreThreePhaseCommitCohort.java:68)
	... 10 common frames omitted
05:43:16.947 [pool-34-thread-1] INFO  o.o.p.pcep.impl.PCEPSessionImpl - Closing PCEP session with reason UNKNOWN: PCEPSessionImpl{channel=TestingChannel, localOpen=Open{deadTimer=30, keepalive=10, sessionId=0, tlvs=Tlvs{augmentation=[Tlvs1{stateful=Stateful{}}]}}, remoteOpen=Open{deadTimer=30, keepalive=10, sessionId=0}}
05:43:16.947 [pool-34-thread-1] DEBUG o.o.p.pcep.impl.PCEPSessionImpl - PCEP Message enqueued: Close{cCloseMessage=CCloseMessage{cClose=CClose{reason=1}}}
05:43:16.947 [pool-34-thread-1] INFO  o.o.p.pcep.impl.PCEPSessionImpl - Closing PCEP session channel: TestingChannel
05:43:17.028 [main] INFO  o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started
05:43:17.029 [main] INFO  o.o.b.p.t.provider.TopologyStatsRpc - Initializing PCEP Topology Stats RPC service.
05:43:17.243 [main] DEBUG o.o.b.p.t.provider.TopologyStatsRpc - Pcep session stats not available for node pcc://4.4.4.4 in topology pcep-topology-1
05:43:17.243 [main] DEBUG o.o.b.p.t.provider.TopologyStatsRpc - Pcep session stats not available for node nonpcep-node in topology nonpcep-topology
05:43:17.243 [main] INFO  o.o.b.p.t.provider.TopologyStatsRpc - Closing PCEP Topology Stats RPC service.
05:43:17.247 [main] INFO  o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started
05:43:17.247 [main] INFO  o.o.b.p.t.provider.TopologyStatsRpc - Initializing PCEP Topology Stats RPC service.
05:43:17.285 [main] INFO  o.o.b.p.t.provider.TopologyStatsRpc - Closing PCEP Topology Stats RPC service.
05:43:17.287 [main] INFO  o.o.m.d.broker.DOMNotificationRouter - DOM Notification Router started
05:43:17.288 [main] INFO  o.o.b.p.t.provider.TopologyStatsRpc - Initializing PCEP Topology Stats RPC service.
05:43:17.308 [main] INFO  o.o.b.p.t.provider.TopologyStatsRpc - Closing PCEP Topology Stats RPC service.