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1625459 - com/sap/security/core/util/IUMFileIOExtended exception: SAP crash


The J2EE engine startup fails due to the 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>):

[Framework -> criticalShutdown]. Fatal: Critical shutdown was invoked. Reason is: Core service core.ume.service failed. J2EE Engine cannot be started. Nested exception is: java.lang.NoClassDefFoundError: com/sap/security/core/util/IUMFileIOExtended #at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass #at #at sharing. NativeSharedClassLoader Impl.defineClass(



SAP JAVA Web Application Server 640 and 700


SAP NetWeaver 2004 ; SAP NetWeaver 7.0 ; SAP Solution Manager all versions ; SAP enhancement package 1 for SAP NetWeaver 7.0 ; SAP enhancement package 2 for SAP NetWeaver 7.0


656711 ,SAP Production ERP SRM CRM ERP PPM SEM APO XI PI PORTAL issue SDM standalone mode SAPJEECOR SAPJEECOR SAPJEE Upgrade regardless of SCA/SDA version integrated mode , KBA , BC-JAS-SF , Startup Framework , BC-JAS-SEC-UME , User Management Engine , Problem

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