topology-mapping-service Default service is stopped

Products

• VMware Smart Assurance

Issue/Introduction

Getting below error in apg-topology-mapping-service-default.out:

Mar 02, 2026 9:17:48 AM com.watch4net.apg.module.plugin.service.Bootstrap main
SEVERE: Unexpected error
java.lang.ClassNotFoundException: com.emc.srm.topology.processor.TopoMappingServiceApp
        at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:371)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:264)
        at com.watch4net.apg.module.plugin.service.Bootstrap.main(Bootstrap.java:88)

Exception in thread "main" java.lang.ClassNotFoundException: com.emc.srm.topology.processor.TopoMappingServiceApp
        at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:371)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:264)
        at com.watch4net.apg.module.plugin.service.Bootstrap.main(Bootstrap.java:88)
apg-topology-mapping-service-default.out (END)

Environment

Watch4net|M&R 7.9

Cause

Incorrect class name com.emc.srm.topology.processor.TopoMappingServiceApp set in /<APG_BASE>/Backends/Topology-Mapping-Service/Default/conf/unix-service.properties

Resolution

• Replace com.emc.srm.topology.processor.TopoMappingServiceApp with com.emc.srm.topology.TopoMappingServiceApp in /<APG_BASE>/Backends/Topology-Mapping-Service/Default/conf/unix-service.properties

• Update and start the service:

  • ./manage-modules.sh service update topology-mapping-service Default

  • ./manage-modules.sh service start topology-mapping-service Default