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2774376 - Error initializing cipher suites from property file: Unsupported cipher suite

Symptom

Configure custom cipher suites in SSLContext.properites file. After server restart, the UME service fails with example error:

#2.#2019 03 28 17:31:12:379#0-400#Error#com.sap.security.core.persistence.datasource.imp.LDAPDataSourceConnectionPool#
#BC-JAS-SEC-UME#com.sap.security.core.sda#C0000A100C830048000002DD00016A15#5996150000002523##com.sap.security.core.persistence.datasource.imp.LDAPDataSourceConnectionPool.newConnection##9385198B519F11E9926C005056AE63EC#9385198b519f11e9926c005056ae63ec0#Thread[NW Scheduler PriorityQueue,5,SystemThreadGroup]#Plain##
No connection to the ldap server, recheck configuration or availability of directory server
[EXCEPTION]
java.security.PrivilegedActionException: javax.naming.CommunicationException: <ldap_host>:636 [Root exception is iaik.security.ssl.PropertyInitException: Error initializing cipher suites from property file: Unsupported cipher suite: TLS_DHE_RSA_WITH_AES_256_SHA256]
Caused by: javax.naming.CommunicationException: <ldap_host>:636 [Root exception is iaik.security.ssl.PropertyInitException: Error initializing cipher suites from property file: Unsupported cipher suite: TLS_DHE_RSA_WITH_AES_256_SHA256]
Caused by: iaik.security.ssl.PropertyInitException: Error initializing cipher suites from property file: Unsupported cipher suite: TLS_DHE_RSA_WITH_AES_256_SHA256

Here the problem cipher is TLS_DHE_RSA_WITH_AES_256_SHA256. This could be any other cipher definition


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Environment

SAP NetWeaver Release Independent

Product

SAP NetWeaver all versions

Keywords

vendor, DHE, LDAP, third party, 3rd party, , KBA , BC-JAS-SEC-CPG , Cryptography , Problem

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