vSphere Web client virgo logs contains entries similar to:
[2017-08-23T13:57:12.632-04:00] [INFO ] http-bio-9090-exec-8 70000037 100007 200001 System.out at org.springframework.flex.servlet.MessageBrokerHandlerAdapter.handle(MessageBrokerHandlerAdapter.java:109)
[2017-08-23T13:57:12.669-04:00] [INFO ] System Bundle Shutdown org.eclipse.virgo.nano.core.internal.BundleStartTracker Bundle 'org.eclipse.gemini.web.tomcat_2.2.7.RELEASE [124]' has stopped. Removing its related tracking state.
[2017-08-23T13:57:12.665-04:00] [ERROR] http-bio-9443-exec-3 70000588 100034 200007 com.vmware.vshield.plugin.common.facade.PluginFilterFacade Error occured while fetching NSX manager list java.lang.InterruptedException: null
at java.util.concurrent.FutureTask.awaitDone(FutureTask.java:404)
at java.util.concurrent.FutureTask.get(FutureTask.java:191)
at java.util.concurrent.AbstractExecutorService.invokeAll(AbstractExecutorService.java:244)
at com.vmware.vshield.plugin.common.util.CommonUtil.getVsmServerDetails(CommonUtil.java:239)
at com.vmware.vshield.plugin.common.facade.PluginFilterFacadeImpl.displayAdavancedUI(PluginFilterFacadeImpl.java:32)
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)
VMware vCenter Server 6.5.x
VMware vSphere Web Client 6.5.x
VMware NSX Data Center for vSphere 6.x
To resolve this issue, recreate the connection between the NSX manager and the vCenter. If there is no issue with the connection, Remove and re-add the plug in.