1996572 - Cannot open NWA. java.lang.NoClassDefFoundError: com/sap/engine/interfaces/security/auth/LocaleUtil

Symptom

After upgrading or patching the AS Java, When you try to open Netweaver Administrator, you see a 500 Internal server Error.
In the defaulttrace file, you can see the following exceptions:

        [EXCEPTION]
        java.lang.NoClassDefFoundError: com/sap/engine/interfaces/security/auth/LocaleUtil
        at com.sap.engine.applications.security.logon.ServletAccessToLogic.isAction(ServletAccessToLogic.java:117)
        at com.sap.engine.applications.security.logon.SAPMLogonServlet.executeRequest(SAPMLogonServlet.java:165)
        at com.sap.engine.applications.security.logon.SAPMLogonServlet.doPost(SAPMLogonServlet.java:134)

Environment

Netweaver AS Java 7.30
Netweaver AS Java 7.31
Netweaver AS Java 7.40

Product

SAP NetWeaver 7.3 ; SAP enhancement package 1 for SAP NetWeaver 7.3

Keywords

Dependencies, Caused by: java.lang.ClassNotFoundException: com.sap.engine.interfaces.security.auth.LocaleUtil, 500 internal error , KBA , BC-NWA-INC-UIF , UI Framework , BC-JAS-ADM-ADM , Administration , Problem

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