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3104057 - java.net.UnknownHostException LDAP connection: SAP AS Java issue

Symptom

The SAP Application Server Java startup fails due to the UME service (com.sap.security.core.ume.service) not being initialized and the below error is logged in the trace files (default trace file, std_server<x> and dev_server<x>). The issue is valid only for servers with LDAP configured as the UME backend:

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com.sap.engine.frame.ServiceException: Start of UME service failed. Check help topic "Start of UME Service Failed".
Technical details: No connection to the ldap server: <Hostname>:<Port> at com.sap.security.core.server.ume.service.UMEServiceFrame.start
Please recheck the LDAP configuration Initialization of connection pool failed for USER
No connection to the ldap server, recheck configuration or availability of directory server
Caused by: javax.naming.CommunicationException:  <Hostname>:<Port> [Root exception is java.net.UnknownHostException:  <Hostname>]
Caused by: java.net.UnknownHostException:  <Hostname>
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Environment

  • Release Independent
  • SAP NetWeaver

Product

SAP Composition Environment all versions ; SAP NetWeaver 7.5 ; SAP NetWeaver all versions ; SAP Process Integration all versions ; SAP Solution Manager all versions

Keywords

SAP NOTE: 718383 Propertysheet com.sap.security. core.ume.service ume.ldap.access.server_name ume.ldap.access.server_port ume.ldap.access.server_port 673824 ,SAP Production ABAP R/3 ERP SRM CRM ERP PPM SEM APO XI PI PORTAL Test development QA,Propertysheet com.sap.security. core.ume.service destinations  Propertysheet  UMEBackendConnection Connection and Transport , KBA , BC-JAS-SF , Startup Framework , BC-JAS-SEC-UME , User Management Engine , Problem

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