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SnapCenter Plug-in for VMware backup fails with NULL pointer exception

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Applies to

  • SnapCenter Plug-in for VMware vSphere (SCV)
  • NetApp Data Broker (NDB)

Issue

  • Java related exception when attempting to list the Datastore in the Resource group:
DEBUG VSC com.netapp.aegis.discovery.StorageDiscoveryManager [JobId:<JOB>] Retrieving Datastore by moref: 
          Datastore:datastore-<NUM>
DEBUG VSC com.netapp.aegis.discovery.StorageDiscoveryManager [JobId:<JOB>] Did not find the Datastore by Moref:
          Datastore:datastore-<NUM>, returning null
  • SCV could not find it via a MOB reference query:
DEBUG VSC com.netapp.aegis.model.DatastoreStorageDetailsCache JobId + <JOB> count reduced to 0, removing from cache
ERROR VSC com.netapp.aegis.sms.provider.DiscoverResourcesManager [JobId:<JOB>] Storage discovery failed,
received error during operation: java.lang.NullPointerException.
  • Error message visible in VMware vCenter UI 

Run Resource Group operation failed for Resource Group AllAFFDatastores. (Error: Unable to discover resources on SCV: Storage discovery failed, received error during operation: java.lang.NullPointerException. Please refer to operation logs for more details.)

  • Please refer to operation logs for more details.
java.lang.NullPointerException
    at com.netapp.aegis.discovery.StorageDiscoveryManager.setStorageResourcesonSmObject(StorageDiscoveryManager.java:454)
    at com.netapp.aegis.discovery.StorageDiscoveryManager.discoverVirtualEntities(StorageDiscoveryManager.java:283)
    at com.netapp.aegis.sms.provider.DiscoverResourcesManager.discoverResources(DiscoverResourcesManager.java:220)
    at sun.reflect.GeneratedMethodAccessor71.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)
    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)
    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)
    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
    ...
    at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:698)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:804)
    at java.lang.Thread.run(Thread.java:748)
DEBUG VSC com.netapp.aegis.sms.provider.DiscoverResourcesManager "/><!-- 
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<SmDiscoverResourcesResponse>
    <Result>
        <_message>Storage discovery failed, received error during operation: java.lang.NullPointerException. 
        Please refer to operation logs for more details.</_message>
        <_errorCode>-1</_errorCode>
    </Result>
    <TotalCount>0</TotalCount>
    <DisplayCount>0</DisplayCount>

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