When we trigger closed loop event in vCPE use case, We are getting below exception in APPC component.  Due to this vGMuX restart is failed.

2020-06-01T13:52:14,841 | ERROR | appc-dispatcher-1 | ProviderOperation                | 482 - appc-iaas-adapter - 1.6.4 | APPC0054E Connection to provider http://192.168.9.75:5000/v3 at identity http://192.168.9.75:5000/v3 using tenant name admin (id 70968f3b213c4c8d81d92c06a9dddf7c) failed, reason=The allocator failed to allocate a new context to extend the pool., retrying in 30 seconds, attempt 1 of 10.2020-06-01T13:52:14,841 | ERROR | appc-dispatcher-1 | ProviderOperation                | 482 - appc-iaas-adapter - 1.6.4 | APPC0054E Connection to provider http://192.168.9.75:5000/v3 at identity http://192.168.9.75:5000/v3 using tenant name admin (id 70968f3b213c4c8d81d92c06a9dddf7c) failed, reason=The allocator failed to allocate a new context to extend the pool., retrying in 30 seconds, attempt 1 of 10.org.onap.appc.pool.PoolExtensionException: The allocator failed to allocate a new context to extend the pool. at org.onap.appc.pool.Pool.extend(Pool.java:336) ~[?:?] at org.onap.appc.pool.Pool.reserve(Pool.java:257) ~[?:?] at org.onap.appc.adapter.iaas.provider.operation.impl.base.ProviderOperation.getContext(ProviderOperation.java:373) ~[?:?] at org.onap.appc.adapter.iaas.provider.operation.impl.RestartServer.restartServer(RestartServer.java:206) ~[?:?] at org.onap.appc.adapter.iaas.provider.operation.impl.RestartServer.executeProviderOperation(RestartServer.java:247) ~[?:?] at org.onap.appc.adapter.iaas.provider.operation.impl.base.ProviderOperation.doOperation(ProviderOperation.java:430) ~[?:?]

Please find the provider configurations below which we used in appc.properties file.

 
### OpenStack credentials (these properties also are used in appc-rest-adapter-bundle, appc-chef-adapter-bundle, appc-iaas-adapter-bundle)
provider1.type=OpenStackProvider
provider1.name=OpenStack
_provider1.identity=http://192.168.9.75:5000/v3
provider1.tenant1.name=admin
provider1.tenant1.domain=Default
provider1.tenant1.userid=admin
provider1.tenant1.password=root123
provider1.tenant1=admin
provider1.disableHttpProxy=true
provider1.region=RegionOne

Please find the attachments.

Regards,

Manjunath.