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

The J2EE engine 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>):

[Framework -> criticalShutdown]. com.sap.engine.core.Framework Fatal: Critical shutdown was invoked. Reason is: Core service  com.sap.security. 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 java.security.SecureClassLoader.defineClass(SecureClassLoader.java) #at com.sap.vmc.core.impl.sapjvm. sharing. NativeSharedClassLoader Impl.defineClass(NativeSharedClassLoaderImpl.java

SAP JAVA Web Application Server 640 and 700

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