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https://issues.apache.org/jira/browse/CLOUDSTACK-2558?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sateesh Chodapuneedi reassigned CLOUDSTACK-2558:
------------------------------------------------

    Assignee: Sateesh Chodapuneedi
    
> Nexus configuration cleanup is not done when there is a failure while adding 
> the Nexus enabled VMWARE cluster which is causing for NPE while readding the 
> cluster with same configuration details 
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-2558
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-2558
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the 
> default.) 
>          Components: Network Controller
>    Affects Versions: 4.2.0
>            Reporter: Sailaja Mada
>            Assignee: Sateesh Chodapuneedi
>             Fix For: 4.2.0
>
>
> Setup:  Advanced Networking VMWARE Nexus Enabled Cluster .
> 1. While adding the cluster , it failed with wrong DataCenter/Cluster name . 
> 2. Tried to add the cluster again with the same details. It failed with NPE.
> Observation.
> 1. When there is failure in cluster addition , Nexus configuration Clean up  
> is not done . So when tried to reuse the same it failed with NPE.
> 2. Nexus configuration cleanup is not done when there is failure while adding 
> the Nexus enabled VMWARE cluster which is causing for NPE while readding the 
> cluster with same configuration details 
> 2013-05-17 14:32:25,882 DEBUG [cloud.api.ApiServlet] (catalina-exec-7:null) 
> ===START===  10.144.6.19 -- GET  
> command=addCluster&zoneId=43d81d64-0e93-4ef7-839d-34cb9bd3a1b9&hypervisor=VMware&clustertype=ExternalManaged&podId=cb4dc8b9-079a-4222-a07a-9fb1c92c9304&cpuovercommitratio=1&memoryovercommitratio=1&username=administrator&publicvswitchtype=nexusdvs&publicvswitchname=nexuspp&guestvswitchtype=nexusdvs&guestvswitchname=nexuspp&vsmipaddress=10.102.192.71&vsmusername=admin&vsm&url=http%3A%2F%2F10.102.192.248%2Fvnmcdc%2Fvnmcc&clustername=10.102.192.248%2Fvnmcdc%2Fvnmcc&response=json&sessionkey=DyVgPLt%2Bl958PAh6d3eYzJNyHLw%3D&_=1368781495812
> 2013-05-17 14:32:25,997 INFO  [hypervisor.vmware.VmwareServerDiscoverer] 
> (catalina-exec-7:null) Discover host. dc: 1, pod: 1, cluster: 2, uri host: 
> 10.102.192.248
> 2013-05-17 14:32:26,618 ERROR [network.element.CiscoNexusVSMElement] 
> (catalina-exec-7:null) Failed to add cluster: specified Nexus VSM is already 
> associated with another cluster
> 2013-05-17 14:32:26,768 ERROR [cloud.api.ApiServer] (catalina-exec-7:null) 
> unhandled exception executing api command: addCluster
> java.lang.NullPointerException
>         at 
> com.cloud.network.element.CiscoNexusVSMElement.validateVsmCluster(CiscoNexusVSMElement.java:288)
>         at 
> com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
>         at 
> com.cloud.hypervisor.vmware.VmwareServerDiscoverer.find(VmwareServerDiscoverer.java:269)
>         at 
> com.cloud.resource.ResourceManagerImpl.discoverCluster(ResourceManagerImpl.java:563)
>         at 
> com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
>         at 
> org.apache.cloudstack.api.command.admin.cluster.AddClusterCmd.execute(AddClusterCmd.java:208)
>         at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:155)
>         at com.cloud.api.ApiServer.queueCommand(ApiServer.java:519)
>         at com.cloud.api.ApiServer.handleRequest(ApiServer.java:369)
>         at com.cloud.api.ApiServlet.processRequest(ApiServlet.java:304)
>         at com.cloud.api.ApiServlet.doGet(ApiServlet.java:66)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>         at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
>         at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>         at 
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
>         at 
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
>         at 
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
>         at 
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
>         at 
> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:555)
>         at 
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>         at 
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
>         at 
> org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:889)
>         at 
> org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:721)
>         at 
> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:2268)
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
>         at java.lang.Thread.run(Thread.java:679)
> 2013-05-17 14:32:26,771 DEBUG [cloud.api.ApiServlet] (catalina-exec-7:null) 
> ===END===  10.144.6.19 -- GET  
> command=addCluster&zoneId=43d81d64-0e93-4ef7-839d-34cb9bd3a1b9&hypervisor=VMware&clustertype=ExternalManaged&podId=cb4dc8b9-079a-4222-a07a-9fb1c92c9304&cpuovercommitratio=1&memoryovercommitratio=1&username=administrator&publicvswitchtype=nexusdvs&publicvswitchname=nexuspp&guestvswitchtype=nexusdvs&guestvswitchname=nexuspp&vsmipaddress=10.102.192.71&vsmusername=admin&vsm&url=http%3A%2F%2F10.102.192.248%2Fvnmcdc%2Fvnmcc&clustername=10.102.192.248%2Fvnmcdc%2Fvnmcc&response=json&sessionkey=DyVgPLt%2Bl958PAh6d3eYzJNyHLw%3D&_=1368781495812

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