https://jira.opendaylight.org This file is an XML representation of an issue en-us 8.20.10 820010 22-06-2022 https://jira.opendaylight.org/browse/OPNFLWPLUG-720 OpenFlowPlugin <p>When disconnecting and then reconnecting OVS, it remain in disconnected state</p> <p>Environment is 3 node cluster, using distribution <a href="https://nexus.opendaylight.org/content/repositories/opendaylight.snapshot/org/opendaylight/integration/distribution-karaf/0.5.0-SNAPSHOT/distribution-karaf-0.5.0-20160629.123423-3194.zip" class="external-link" target="_blank" rel="nofollow noopener">https://nexus.opendaylight.org/content/repositories/opendaylight.snapshot/org/opendaylight/integration/distribution-karaf/0.5.0-SNAPSHOT/distribution-karaf-0.5.0-20160629.123423-3194.zip</a></p> <p>to reproduce issue:<br/> list ovs controller connection and then disconnect and reconnect switch to one node by chaning port to invalid and then back to valid number</p> <p>1. sudo ovs-vsctl list Controller<br/> 2. sudo ovs-vsctl set Controller 1e173873-5a74-4f57-b27e-55ebf88195d5 target=\"tcp:10.25.2.14:6654\"<br/> 3. sudo ovs-vsctl set Controller 1e173873-5a74-4f57-b27e-55ebf88195d5 target=\"tcp:10.25.2.14:6633\"</p> <p>1e173873-5a74-4f57-b27e-55ebf88195d5 being uuid listed by ovs-vsctl list Controller command. The ip in target=\"tcp:10.25.2.14:6633\" should correspond with relevant entry from same command</p> <p>Operating System: Linux<br/> Platform: PC</p> OPNFLWPLUG-720

OVS remains in disconnected state when reconnecting device to cluster

Bug Resolved Done Jozef Bacigal Juraj Sebin Thu, 30 Jun 2016 10:14:05 +0000 Mon, 27 Sep 2021 09:01:50 +0000 Wed, 24 Aug 2016 06:13:04 +0000 General 0 8 <p>If found cause of this bug, and it is that RoleContext is not unregistered for slave when it have still main entity registered. Here is log output that shows this issue:</p> <p>2016-07-21 16:36:16,549 | INFO | entLoopGroup-7-2 | RoleManagerImpl | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Role BECOMESLAVE successfully set on device Uri <span class="error">&#91;_value=openflow:3&#93;</span><br/> 2016-07-21 16:36:23,597 | DEBUG | on-dispatcher-34 | FlowNodeReconciliationImpl | 292 - org.opendaylight.openflowplugin.applications.forwardingrules-manager - 0.3.0.SNAPSHOT | Node added: openflow:3<br/> 2016-07-21 16:36:36,604 | INFO | entLoopGroup-7-2 | SystemNotificationsListenerImpl | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | ConnectionEvent: Connection closed by device, Device:/10.12.0.74:58525, NodeId:Uri <span class="error">&#91;_value=openflow:3&#93;</span><br/> 2016-07-21 16:36:36,604 | DEBUG | entLoopGroup-7-2 | ConnectionContextImpl | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Trying unregister outbound queue handler registration for node Uri <span class="error">&#91;_value=openflow:3&#93;</span><br/> 2016-07-21 16:36:36,605 | DEBUG | entLoopGroup-7-2 | ConnectionContextImpl | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Trying closing handshake context for node Uri <span class="error">&#91;_value=openflow:3&#93;</span><br/> 2016-07-21 16:36:36,605 | DEBUG | entLoopGroup-7-2 | TransactionChainManager | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | TxManager is going SHUTTING_DOWN for node KeyedInstanceIdentifier</p> {targetType=interface org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node, path=[org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes, org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node[key=NodeKey [_id=Uri [_value=openflow:3]]]]} <p>2016-07-21 16:36:36,605 | DEBUG | entLoopGroup-7-2 | DeviceManagerImpl | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | TxChainManager for device Uri <span class="error">&#91;_value=openflow:3&#93;</span> is closed successful.<br/> 2016-07-21 16:36:36,605 | DEBUG | entLoopGroup-7-2 | RoleManagerImpl | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Found roleContext associated to deviceContext: Uri <span class="error">&#91;_value=openflow:3&#93;</span>, now trying close the roleContext<br/> 2016-07-21 16:36:36,605 | DEBUG | entLoopGroup-7-2 | RoleContextImpl | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Unregister candidate for entity Entity{type='openflow', id=/(urn:opendaylight:params:xml:ns:yang:controller:md:sal:core:general-entity?revision=2015-08-20)entity/entity[</p> {(urn:opendaylight:params:xml:ns:yang:controller:md:sal:core:general-entity?revision=2015-08-20)name=openflow:3} <p>]}<br/> 2016-07-21 16:36:36,607 | DEBUG | entLoopGroup-7-2 | DeviceManagerImpl | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | onDeviceContextClosed for Node Uri <span class="error">&#91;_value=openflow:3&#93;</span><br/> 2016-07-21 16:36:37,533 | DEBUG | entLoopGroup-7-1 | HandshakeListenerImpl | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | succeeded by getting sweep barrier after posthandshake for device Uri <span class="error">&#91;_value=openflow:3&#93;</span><br/> 2016-07-21 16:36:37,533 | INFO | entLoopGroup-7-1 | DeviceManagerImpl | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | ConnectionEvent: Device connected to controller, Device:/10.12.0.74:58547, NodeId:Uri <span class="error">&#91;_value=openflow:3&#93;</span><br/> 2016-07-21 16:36:37,533 | DEBUG | entLoopGroup-7-1 | TransactionChainManager | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | created txChainManager for KeyedInstanceIdentifier</p> {targetType=interface org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node, path=[org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes, org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node[key=NodeKey [_id=Uri [_value=openflow:3]]]]} <p>2016-07-21 16:36:37,536 | ERROR | entLoopGroup-7-1 | HandshakeListenerImpl | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | ConnectionContext initial processing failed: Role context for master Node Uri <span class="error">&#91;_value=openflow:3&#93;</span> is still not closed.<br/> 2016-07-21 16:36:37,543 | DEBUG | pool-42-thread-1 | ConnectionContextImpl | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Trying unregister outbound queue handler registration for node Uri <span class="error">&#91;_value=openflow:3&#93;</span><br/> 2016-07-21 16:36:37,545 | DEBUG | entLoopGroup-7-1 | ConnectionContextImpl | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Trying closing handshake context for node Uri <span class="error">&#91;_value=openflow:3&#93;</span><br/> 2016-07-21 16:36:37,545 | DEBUG | entLoopGroup-7-1 | ConnectionContextImpl | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Propagating device disconnect for node Uri <span class="error">&#91;_value=openflow:3&#93;</span><br/> 2016-07-21 16:36:37,545 | DEBUG | entLoopGroup-7-1 | TransactionChainManager | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | TxManager is going SHUTTING_DOWN for node KeyedInstanceIdentifier</p> {targetType=interface org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node, path=[org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes, org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node[key=NodeKey [_id=Uri [_value=openflow:3]]]]} <p>2016-07-21 16:36:37,545 | DEBUG | entLoopGroup-7-1 | DeviceManagerImpl | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | TxChainManager for device Uri <span class="error">&#91;_value=openflow:3&#93;</span> is closed successful.<br/> 2016-07-21 16:36:37,546 | DEBUG | entLoopGroup-7-1 | RoleManagerImpl | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Found roleContext associated to deviceContext: Uri <span class="error">&#91;_value=openflow:3&#93;</span>, now trying close the roleContext<br/> 2016-07-21 16:36:37,546 | INFO | entLoopGroup-7-1 | RoleContextImpl | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Role context closed, unregistering all candidates for ownership for node Uri <span class="error">&#91;_value=openflow:3&#93;</span><br/> 2016-07-21 16:36:37,546 | DEBUG | entLoopGroup-7-1 | DeviceManagerImpl | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | onDeviceContextClosed for Node Uri <span class="error">&#91;_value=openflow:3&#93;</span><br/> 2016-07-21 16:36:39,533 | DEBUG | entLoopGroup-7-2 | HandshakeListenerImpl | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | succeeded by getting sweep barrier after posthandshake for device Uri <span class="error">&#91;_value=openflow:3&#93;</span><br/> 2016-07-21 16:36:39,533 | INFO | entLoopGroup-7-2 | DeviceManagerImpl | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | ConnectionEvent: Device connected to controller, Device:/10.12.0.74:58548, NodeId:Uri <span class="error">&#91;_value=openflow:3&#93;</span><br/> 2016-07-21 16:36:39,533 | DEBUG | entLoopGroup-7-2 | TransactionChainManager | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | created txChainManager for KeyedInstanceIdentifier</p> {targetType=interface org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node, path=[org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes, org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node[key=NodeKey [_id=Uri [_value=openflow:3]]]]} <p>2016-07-21 16:36:39,534 | ERROR | entLoopGroup-7-2 | HandshakeListenerImpl | 284 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | ConnectionContext initial processing failed: Role context for master Node Uri <span class="error">&#91;_value=openflow:3&#93;</span> is still not closed.<br/> 2</p> <p><a href="https://git.opendaylight.org/gerrit/#/c/42289/" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/#/c/42289/</a></p> <p>After applying the patch in gerrit a different error appear, however still OVS cannot connect to cluster.</p> <p>2016-08-02 14:30:14,170 | INFO | entLoopGroup-9-1 | ConnectionAdapterImpl | 292 - org.opendaylight.openflowjava.openflow-protocol-impl - 0.8.0.SNAPSHOT | Hello received / branch<br/> 2016-08-02 14:30:14,200 | INFO | entLoopGroup-9-1 | DeviceManagerImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | ConnectionEvent: Device connected to controller, Device:/10.0.0.12:50598, NodeId:Uri <span class="error">&#91;_value=openflow:141209680562936&#93;</span><br/> 2016-08-02 14:30:14,215 | INFO | entLoopGroup-9-1 | SalRoleServiceImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | SetRole called with input:SetRoleInput [_controllerRole=BECOMESLAVE, _node=NodeRef [_value=KeyedInstanceIdentifier</p> {targetType=interface org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node, path=[org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes, org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node[key=NodeKey [_id=Uri [_value=openflow:141209680562936]]]]} <p>], augmentation=[]]<br/> 2016-08-02 14:30:14,216 | INFO | entLoopGroup-9-1 | SalRoleServiceImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Requesting state change to BECOMESLAVE<br/> 2016-08-02 14:30:14,216 | INFO | entLoopGroup-9-1 | SalRoleServiceImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | RoleChangeTask called on device:openflow:141209680562936 OFPRole:BECOMESLAVE<br/> 2016-08-02 14:30:14,216 | INFO | entLoopGroup-9-1 | RoleService | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | getGenerationIdFromDevice called for device:openflow:141209680562936<br/> 2016-08-02 14:30:14,216 | INFO | entLoopGroup-9-1 | RoleContextImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Initialization main candidate for node Uri <span class="error">&#91;_value=openflow:141209680562936&#93;</span><br/> 2016-08-02 14:30:14,216 | WARN | entLoopGroup-9-1 | RoleContextImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Candidate for entity openflow is already registered.<br/> 2016-08-02 14:30:14,216 | WARN | entLoopGroup-9-1 | LifecycleConductorImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Initialization phase for node openflow:141209680562936 in role context was NOT successful, closing connection.<br/> 2016-08-02 14:30:14,227 | INFO | entLoopGroup-9-1 | ConnectionContextImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Unregister outbound queue successful.<br/> 2016-08-02 14:30:14,243 | INFO | entLoopGroup-9-1 | RpcManagerImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Unregister RPCs services for device context closure<br/> 2016-08-02 14:30:14,243 | INFO | entLoopGroup-9-1 | RoleContextImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Role context closed, unregistering all candidates for ownership for node Uri <span class="error">&#91;_value=openflow:141209680562936&#93;</span><br/> 2016-08-02 14:30:14,244 | ERROR | entLoopGroup-9-1 | HandshakeListenerImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | ConnectionContext initial processing failed: null<br/> 2016-08-02 14:30:14,244 | INFO | entLoopGroup-9-1 | ConnectionContextImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Unregister outbound queue successful.<br/> 2016-08-02 14:30:14,244 | INFO | entLoopGroup-9-1 | DeviceManagerImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | DeviceContext for Node Uri <span class="error">&#91;_value=openflow:141209680562936&#93;</span> was not found. Connection is terminated without OFP context suite.<br/> 2016-08-02 14:30:16,212 | WARN | pool-33-thread-1 | RoleManagerImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | New role BECOMESLAVE was not propagated to device Uri <span class="error">&#91;_value=openflow:141209680562936&#93;</span> during 10 sec<br/> 2016-08-02 14:30:16,212 | ERROR | pool-33-thread-1 | SalRoleServiceImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | SetRoleService set Role BECOMESLAVE for Node: KeyedInstanceIdentifier</p> {targetType=interface org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node, path=[org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes, org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node[key=NodeKey [_id=Uri [_value=openflow:141209680562936]]]]} <p> fail . Reason java.util.concurrent.CancellationException: Task was cancelled.<br/> 2016-08-02 14:30:16,213 | WARN | pool-33-thread-1 | RoleManagerImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Unable to set role BECOMESLAVE on device Uri <span class="error">&#91;_value=openflow:141209680562936&#93;</span></p> <p>Updated log after new patch with more debug info</p> <p>2016-08-08 12:11:48,107 | WARN | pool-33-thread-1 | RoleManagerImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | New role BECOMESLAVE was not propagated to device Uri <span class="error">&#91;_value=openflow:75312462753428&#93;</span> during 10 sec<br/> 2016-08-08 12:11:48,108 | ERROR | pool-33-thread-1 | SalRoleServiceImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | SetRoleService set Role BECOMESLAVE for Node: KeyedInstanceIdentifier</p> {targetType=interface org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node, path=[org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes, org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node[key=NodeKey [_id=Uri [_value=openflow:75312462753428]]]]} <p> fail . Reason java.util.concurrent.CancellationException: Task was cancelled.<br/> 2016-08-08 12:11:48,108 | WARN | pool-33-thread-1 | RoleManagerImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Unable to set role BECOMESLAVE on device Uri <span class="error">&#91;_value=openflow:75312462753428&#93;</span><br/> 2016-08-08 12:11:54,088 | INFO | entLoopGroup-9-1 | ConnectionAdapterImpl | 292 - org.opendaylight.openflowjava.openflow-protocol-impl - 0.8.0.SNAPSHOT | Hello received / branch<br/> 2016-08-08 12:11:54,092 | INFO | entLoopGroup-9-1 | DeviceManagerImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | ConnectionEvent: Device connected to controller, Device:/10.0.0.12:47388, NodeId:Uri <span class="error">&#91;_value=openflow:75312462753428&#93;</span><br/> 2016-08-08 12:11:54,093 | INFO | entLoopGroup-9-1 | SalRoleServiceImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | SetRole called with input:SetRoleInput [_controllerRole=BECOMESLAVE, _node=NodeRef [_value=KeyedInstanceIdentifier</p> {targetType=interface org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node, path=[org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes, org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node[key=NodeKey [_id=Uri [_value=openflow:75312462753428]]]]} <p>], augmentation=[]]<br/> 2016-08-08 12:11:54,094 | INFO | entLoopGroup-9-1 | SalRoleServiceImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Requesting state change to BECOMESLAVE<br/> 2016-08-08 12:11:54,094 | INFO | entLoopGroup-9-1 | SalRoleServiceImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | RoleChangeTask called on device:openflow:75312462753428 OFPRole:BECOMESLAVE<br/> 2016-08-08 12:11:54,095 | INFO | entLoopGroup-9-1 | RoleService | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | getGenerationIdFromDevice called for device:openflow:75312462753428<br/> 2016-08-08 12:11:54,096 | INFO | entLoopGroup-9-1 | RoleContextImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Initialization main candidate for node Uri <span class="error">&#91;_value=openflow:75312462753428&#93;</span><br/> 2016-08-08 12:11:54,096 | ERROR | entLoopGroup-9-1 | HandshakeListenerImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | ConnectionContext initial processing failed: The Blueprint container is being or has been destroyed: (&amp;(|(type=default)(!(type=*)))(objectClass=org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipService))<br/> 2016-08-08 12:11:54,099 | INFO | entLoopGroup-9-1 | ConnectionContextImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Unregister outbound queue successful.<br/> 2016-08-08 12:11:54,099 | INFO | entLoopGroup-9-1 | RpcManagerImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Unregister RPCs services for device context closure<br/> 2016-08-08 12:11:54,100 | INFO | entLoopGroup-9-1 | RoleContextImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Role context closed, unregistering all candidates for ownership for node Uri <span class="error">&#91;_value=openflow:75312462753428&#93;</span><br/> 2016-08-08 12:11:56,107 | WARN | pool-33-thread-1 | RoleManagerImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | New role BECOMESLAVE was not propagated to device Uri <span class="error">&#91;_value=openflow:75312462753428&#93;</span> during 10 sec<br/> 2016-08-08 12:11:56,108 | ERROR | pool-33-thread-1 | SalRoleServiceImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | SetRoleService set Role BECOMESLAVE for Node: KeyedInstanceIdentifier</p> {targetType=interface org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node, path=[org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes, org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node[key=NodeKey [_id=Uri [_value=openflow:75312462753428]]]]} <p> fail . Reason java.util.concurrent.CancellationException: Task was cancelled.<br/> 2016-08-08 12:11:56,108 | WARN | pool-33-thread-1 | RoleManagerImpl | 297 - org.opendaylight.openflowplugin.impl - 0.3.0.SNAPSHOT | Unable to set role BECOMESLAVE on device Uri <span class="error">&#91;_value=openflow:75312462753428&#93;</span></p> Blocks OPNFLWPLUG-659 Duplicate OPNFLWPLUG-733 OPNFLWPLUG-735 Development External issue ID 6133 External issue URL Rank 0|i032w7: