2626189 - Unable to establish HTTP connection error occur when performing Directory objects CPA cache update in HTTPS mode

• You have enabled SSL for PI, after that, the CPA cache update of Directory data failed in Integration Builder with the following error:
  Unable to establish HTTP connection https://<host>:<port>/CPACache/invalidate
  Unable to notify Adapter Engine "af.xx.xx" that is affected by the data changes
  
  
• In XPI Inspector trace with example 11 (Authentication, SSL & PP), there is below SSLException:
  ssl_debug(1): Sending alert: Alert Fatal: bad certificate
  ssl_debug(1): Shutting down SSL layer...
  ssl_debug(1): SSLException while handshaking: Peer certificate rejected by ChainVerifier
  communication error
  
  or below error is thrown:
  java.io.IOException: Unable to open SSL connection to host "xx:xx". Peer certificate rejected by ChainVerifier

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• PI Release Independent
• SAP NetWeaver
• SAP Process

SAP NetWeaver 7.1 ; SAP NetWeaver 7.2 ; SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP enhancement package 1 for SAP NetWeaver 7.0 ; SAP enhancement package 1 for SAP NetWeaver 7.3 ; SAP enhancement package 3 for SAP NetWeaver 7.0

HTTPS security, SSL, Directory Cache Refresh, Process Integration 7.0, PI 7.0, PI 7.01, PI 7.02, Process Integration 7.10, PI 7.10, Process Integration 7.11, PI 7.11, Process Integration 7.30, PI 7.30, Process Integration 7.31, PI 7.31, Process Orchestration 7.40, PI 7.40, PO 7.40, Process Orchestration 7.50, PI 7.50, PO 7.50, NetWeaver, XI, /CPACache/invalidate, , KBA , BC-XI-CON-AFW-DC , Directory Cache , Problem