SAP PO – Cannot clear ICM server cache

Today we have this situation… It’s not possible to clear the ICM server cache. In SAP logs like defaultTrace.trc You can find below entries:

Failed to invalidate cached entry for user 20762c864d3b11ecacc4000012b7582e Exception:java.rmi.RemoteException: Cannot clear ICM server cache by [20762c864d3b11ecacc4000012b7582e] etag.; nested exception is:
com.sap.bc.proj.jstartup.icmadm.IcmAdmException: interface disabled
[EXCEPTION]
java.rmi.RemoteException: Cannot clear ICM server cache by [20762c864d3b11ecacc4000012b7582e] etag.; nested exception is:
com.sap.bc.proj.jstartup.icmadm.IcmAdmException: interface disabled

Solution

To solve this issue, You need to enable the IcmAdm interface by setting below parameters in the instance profile:

icm[J2EE]/enable_icmadm  = true
ipc/shm_protect_disabled = true

Important information for You
All requirements described in the SAP Note 1635058 are met, otherwise the above parameters don't work.

At the end restart SAP instance. The error should disappear.