1793553 - Few metrics are being reported for node 'SAP Netweaver' in wily due to error "/wily/core/config/ext could not be located. No extensions will be loaded." - Solution Manager 7.10

After the execution of the Managed System Configuration for a JAVA or Dual Stack system, in the Introscope WebView / Introscope Workstation there are only few metrics reported for the relevant server. The following picutre describes the issue:

Moreover, in the IntroscopeAgent<system_instance>_Server<XX>.log the following error is found:

Also, in the Self-Diagnosis for the target system the following error:

• The JMX metrics of this host / Byte Code Adapter are missing;
• The SAP J2EE metrics are missing for this agent;

The following picture describes the issue:

• SAP Solution Manager
• SAP Solution Manager Diagnostics

workload analysis data missing java memory usage grey ewa wily introscope root cause analysis introscope webview standard metrics wily trace , wily investigator Quality of Service Data in Solution Manager Diagnostics - BW , Performance of Java System <SID> ,  No performance data is returned from BW InfoCube. ,
Infocube: 0SMD_MPEH , metric type: APPLICATION THREADS , metric name: ACTIVETHREADSCOUNT used in section 'Java System Data for <SID>' , KBA , SV-SMG-DIA-WLY-BCA , Byte Code Agent Setup , XX-PART-WILY , Introscope by CA Technologies , Problem