2367412 - J2ee does not start after upgrade: NoClassDefFoundError HashConverter

The Java engine does not start after an upgrade. When reviewing the work directory logs, the following information can be observed in Jstart/Jcontrol:

Will fail with a -11113 exit code

dev_server0:

JLaunchIExitJava: exit hook is called (rc = -11113)
**********************************************************************
*** ERROR => The Java VM terminated with a non-zero exit code.
*** Please see SAP Note 943602 , section 'J2EE Engine exit codes'
*** for additional information and trouble shooting.
**********************************************************************
JLaunchCloseProgram: good bye (exitcode = -11113)

std_serverx.out:

java.lang.NoClassDefFoundError: com/sap/security/core/util/imp/HashConverter
at com.sap.security.core.server.ume.service.UMEServiceFrame.start(UMEServiceFrame.java:399)
at com.sap.engine.frame.ApplicationFrameAdaptor.start(ApplicationFrameAdaptor.java:31)
at com.sap.engine.core.service630.container.ServiceRunner.startApplicationServiceFrame(ServiceRunner.java:214)
at com.sap.engine.core.service630.container.ServiceRunner.run(ServiceRunner.java:144)
at com.sap.engine.frame.core.thread.Task.run(Task.java:64)
at com.sap.engine.core.thread.impl5.SingleThread.execute(SingleThread.java:83)
at com.sap.engine.core.thread.impl5.SingleThread.run(SingleThread.java:109)
Caused by: java.lang.ClassNotFoundException: com.sap.security.core.util.imp.HashConverter

• SAP NetWeaver 7.0
• SAP enhancement package 1 for SAP NetWeaver 7.0
• SAP enhancement package 2 for SAP NetWeaver 7.0
• SAP enhancement package 3 for SAP NetWeaver 7.0
• SAP NetWeaver Composition Environment 7.1
• SAP enhancement package 1 for SAP NetWeaver Composition Environment 7.1

com/sap/security/core/util/imp/HashConverter, NoClassDefFoundError HashConverter, dependencies,ava engine does not start. , KBA , BC-JAS-SF , Startup Framework , Problem