The scale out workflow seems to loop, sending continuous request for health check to APPC. The loop includes the following 2 exceptions:

Exception 1

 

2018-11-03T16:22:36.367Z|8c1a95ce-1ebd-4f95-9121-62c5dd1af46a| org.camunda.bpm.engine.jobexecutor - ENGINE-14006 Exception while executing job f0c0f523-df82-11e8-afa7-02a33dbef439: 

org.camunda.bpm.engine.OptimisticLockingException: ENGINE-03005 Execution of 'DELETE MessageEntity[f0c0f523-df82-11e8-afa7-02a33dbef439]' failed. Entity was updated by another transaction concurrently.

                at org.camunda.bpm.engine.impl.db.EnginePersistenceLogger.concurrentUpdateDbEntityException(EnginePersistenceLogger.java:130)

                at org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager.handleOptimisticLockingException(DbEntityManager.java:406)

 

 

Exception 2

 

2018-11-03T16:22:39.041Z|| o.o.a.c.impl.core.AbstractRequestResponseHandler - handling response of corrID <8c1a95ce-1ebd-4f95-9121-62c5dd1af46a-2a663c0c-6ab0-40ae-8f67-5c2d1da468cf>response {"output":{"common-header":{"timestamp":"2018-11-03T16:22:35.362Z","originator-id":"MSO","request-id":"8c1a95ce-1ebd-4f95-9121-62c5dd1af46a","sub-request-id":"2a663c0c-6ab0-40ae-8f67-5c2d1da468cf","flags":

{"mode":"NORMAL","ttl":65000,"force":"FALSE"}

,"api-ver":"2.00"},"status":{"message":"UNEXPECTED ERROR - Rule executor not available, initialization of RequestValidationPolicy failed","code":200}}}

2018-11-03T16:22:39.041Z|| com.att.nsa.apiClient.http.HttpClient - GET http://message-router.onap:3904/events/APPC-LCM-WRITE/a93ff665-ab98-4ca8-93ed-0e2756f54bac/a93ff665-ab98-4ca8-93ed-0e2756f54bac?timeout=360000&limit=1000 (as VIlbtVl6YLhNUrtU) ...

2018-11-03T16:22:39.041Z|| org.onap.appc.client.impl.core.TaskQueue - THR# <196> shutdown indicator false

2018-11-03T16:22:39.044Z|8c1a95ce-1ebd-4f95-9121-62c5dd1af46a| o.onap.so.client.appc.ApplicationControllerAction - Error building Appc request: UNEXPECTED ERROR - Rule executor not available, initialization of RequestValidationPolicy failed

org.onap.so.client.appc.ApplicationControllerOrchestratorException: UNEXPECTED ERROR - Rule executor not available, initialization of RequestValidationPolicy failed

                at org.onap.so.client.appc.ApplicationControllerOrchestrator.vnfCommand(ApplicationControllerOrchestrator.java:48)

                at org.onap.so.client.appc.ApplicationControllerAction.healthCheckAction(ApplicationControllerAction.java:168)

                at org.onap.so.client.appc.ApplicationControllerAction.runAppCCommand(ApplicationControllerAction.java:72)

                at org.onap.so.bpmn.infrastructure.flowspecific.tasks.GenericVnfHealthCheck.callAppcClient(GenericVnfHealthCheck.java:99)