Inter-service communication errors between SAAS and HC service in VMware Identity Manager 3.3.7

Products

• VCF Operations/Automation (formerly VMware Aria Suite)

Issue/Introduction

• Performing directory sync ( Administrator Console > Identity and Access Management > Directories > Sync Now ) fails with the error "Connector communication failed with response: Request timed out. for the connector <vIDM FQDN>"
  
  
  
• The following error message is seen in the horizon.log file :
  

  YYYY-MM-DDTHH:MM:SS,### ERROR (pool-112-thread-1) [;;;] com.vmware.horizon.connector.management.utils.ConnectorCommunicationUtils - Unable to execute REST API: Connection refused (Connection refused) java.net.ConnectException: Connection refused (Connection refused) at java.base/java.net.PlainSocketImpl.socketConnect(Native Method) ~[?:?] at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source) ~[?:?] at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source) ~[?:?] at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source) ~[?:?] at java.base/java.net.SocksSocketImpl.connect(Unknown Source) ~[?:?] at java.base/java.net.Socket.connect(Unknown Source) ~[?:?] at org.apache.http.conn.ssl.SSLSocketFactory.connectSocket(SSLSocketFactory.java:542) ~[httpclient-4.5.3.jar:4.5.3] at 
  ...
  org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108) ~[httpclient-4.5.3.jar:4.5.3] at com.vmware.horizon.connector.management.utils.ConnectorCommunicationUtils.executeCommand(ConnectorCommunicationUtils.java:211) ~[connector-management-utils-0.1.jar:3.3.7.0 Build 24863103] at 
  ...
  YYYY-MM-DDTHH:MM:SS,###  ERROR (pool-112-thread-1) [;;;] com.vmware.horizon.connector.management.ConnectorCommunicationServiceImpl - Error response received with code 503 YYYY-MM-DDTHH:MM:SS,153 WARN  (pool-112-thread-1) [;;;] com.vmware.horizon.connector.management.connectorcommunication.ConnectorDirectoryOperationsFacade - Attempting to fallback to saving directory config by blocking method       com.vmware.horizon.connector.management.ConnectorCommunicationServiceImpl - Error response received with code 503 YYYY-MM-DDTHH:MM:SS,###  WARN  (pool-112-thread-1) [;;;] 

Environment

VMware Identity Manager 3.3.7

Resolution

Contact Broadcom Support referencing this article (KB 418900) to validate and provide the next steps.

Creating and managing Broadcom support cases