After a recent Kernel and/or JVM upgrade you are no longer able to open Message Monitoring. It returns a 500 Internal Server Error.
500 Internal Server Error is returned for HTTP request [http(s)://<host:port>/webdynpro/resources/sap.com/tc~sec~ume~wd~umeadmin/UmeAdminApp]:
After reproducing the issue you see the following in the default traces:
java.lang.NoClassDefFoundError: com/ibm/icu/impl/ICUDebug : cannot initialize class because prior initialization attempt failed....
....caused by: java.lang.IllegalArgumentException: Invalid version number: Version number may be negative or greater than 255
SAP Netweaver 7.5
SAP NetWeaver 7.5
UDDI, JVM, IllegalArgumentException: , Invalid version number:, Version number may be negative or greater than 255, negative, grater, 255, version number, SUM, SOLMAN, upgrade, deploy, deployment, cannot initialize class because prior initialization attempt failed, Process Orchestration 7.5, Process Integration 7.5, pimon, pi monitoring, Process Orchestration, Process Integration, PO, PI, KBA , BC-NWA-XPI , Process Integration (PI) Monitoring , BC-JAS-SEC , Security, User Management , Problem
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