Running repair_metadata on a cluster with primary MOM and secondary MOM

Products

• CA Application Performance Management Agent (APM / Wily / Introscope)
• INTROSCOPE

Issue/Introduction

10.5.1 HF#39 or higher versions of EM offers the SmartStor tool command "repair_metadata" to repair corrupted metadata:

\em\tools>SmartStorTools.bat repair_metadata <metadata folder>

 

When running this command, in what circumstances would the following error be resulted, in a cluster with MOM failover?

org.springframework.osgi.extender.internal.support.ExtenderConfiguration <init> 
INFO: No custom extender configuration detected; using defaults... 
Apr 10, 2018 12:28:57 PM org.springframework.scheduling.timer.TimerTaskExecutor afterPropertiesSet 
INFO: Initializing Timer 
Repairing metadata in /mom/CA/APM/Introscope/data/metadata 
java.lang.NullPointerException 
at com.wily.introscope.em.smartstor.tools.fileapps.RepairMetaTool.close(RepairMetaTool.java:53) 
at com.wily.introscope.em.smartstor.tools.fileapps.RepairMetaTool.main(RepairMetaTool.java:77) 
at com.wily.introscope.em.smartstor.tools.SmartStorTools.main(SmartStorTools.java:64) 
at com.wily.introscope.eclipseapp.SmartStorTools.start(SmartStorTools.java:11) 
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:193) 
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) 
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) 
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:386) 
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) 
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
at java.lang.reflect.Method.invoke(Method.java:498) 
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:549) 
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504) 
at org.eclipse.equinox.launcher.Main.run(Main.java:1236) 
at org.eclipse.equinox.launcher.Main.main(Main.java:1212) 

Environment

MOM clusters with primary MOM and secondary MOM

Resolution

When the error in the "Background" section is seen, it shows that EM has not been shut down before the command is run.

If this is a MOM cluster with a primary MOM and a secondary MOM, both need to be shut down.  Having done so, running the command would be successful.