I am getting the same error at 5-8 minutes inteval.
Running vcenter version 6 - Appliance.
Got the following from /var/log/vmware/sca/sca.log:
2015-11-16T13:02:16.846Z [pool-3-thread-2 INFO com.vmware.sca.vlsi.util.AuthParser] parseSamlData: No SSO token found in request
2015-11-16T13:02:16.916Z [pool-3-thread-4 INFO com.vmware.identity.token.impl.SamlTokenImpl] SAML token for SubjectNameId [value=vpxd-extension-a4476ec9-7311-460a-81cb-92196518e87b@vsphere.local, format=http://schemas.xmlsoap.org/claims/UPN] successfully parsed from Element
2015-11-16T13:02:16.921Z [pool-3-thread-4 INFO com.vmware.sca.vlsi.util.AuthParser] parseSamlData: Successfully authenticated 'vpxd-extension-a4476ec9-7311-460a-81cb-92196518e87b@vsphere.local' on session f07fd653-9650-4be4-943a-1a220ba6dab7
2015-11-16T13:02:17.834Z [pool-3-thread-1 INFO com.vmware.sca.vlsi.util.AuthParser] parseSamlData: No SSO token found in request
2015-11-16T13:02:17.863Z [pool-3-thread-3 INFO com.vmware.identity.token.impl.SamlTokenImpl] SAML token for SubjectNameId [value=vpxd-a4476ec9-7311-460a-81cb-92196518e87b@vsphere.local, format=http://schemas.xmlsoap.org/claims/UPN] successfully parsed from Element
2015-11-16T13:02:17.868Z [pool-3-thread-3 INFO com.vmware.sca.vlsi.util.AuthParser] parseSamlData: Successfully authenticated 'vpxd-a4476ec9-7311-460a-81cb-92196518e87b@vsphere.local' on session 7b88e0b6-856a-4b1c-8060-3fda2dff7adc
2015-11-16T13:02:17.869Z [pool-5-thread-18 WARN com.vmware.sca.servicecontrol.ServiceControlImplTemplate] executeControlRequest: Script missing for vsphere-client
2015-11-16T13:02:17.871Z [pool-5-thread-16 ERROR com.vmware.sca.servicecontrol.handlers.ScriptControlHandler] Failed to locate script; name: dummy_path, dirs: [/usr/lib/vmware-sca/scripts, /etc/vmware-sca/scripts], [java.lang.Exception: Script doesn't exist; path: /etc/vmware-sca/scripts/dummy_path]
2015-11-16T13:02:17.871Z [pool-5-thread-16 WARN com.vmware.sca.servicecontrol.ServiceControlImplTemplate] executeControlRequest: Script missing for 9e0c1f61-019e-45d6-8b9d-e66bc458a152_com.vmware.vsan.health
2015-11-16T13:02:17.871Z [pool-5-thread-9 ERROR com.vmware.sca.servicecontrol.handlers.ScriptControlHandler] Failed to locate script; name: dummy_path, dirs: [/usr/lib/vmware-sca/scripts, /etc/vmware-sca/scripts], [java.lang.Exception: Script doesn't exist; path: /etc/vmware-sca/scripts/dummy_path]
2015-11-16T13:02:17.872Z [pool-5-thread-9 WARN com.vmware.sca.servicecontrol.ServiceControlImplTemplate] executeControlRequest: Script missing for 9e0c1f61-019e-45d6-8b9d-e66bc458a152_com.vmware.vsan.mgmt
2015-11-16T13:02:17.873Z [pool-5-thread-21 ERROR com.vmware.sca.servicecontrol.handlers.ScriptControlHandler] Failed to locate script; name: dummy_path, dirs: [/usr/lib/vmware-sca/scripts, /etc/vmware-sca/scripts], [java.lang.Exception: Script doesn't exist; path: /etc/vmware-sca/scripts/dummy_path]
2015-11-16T13:02:17.873Z [pool-5-thread-21 WARN com.vmware.sca.servicecontrol.ServiceControlImplTemplate] executeControlRequest: Script missing for 9e0c1f61-019e-45d6-8b9d-e66bc458a152_com.vmware.vcIntegrity
2015-11-16T13:02:17.871Z [pool-5-thread-16 WARN com.vmware.sca.health.HealthStatusRequest] getHealth: Could not find health status endpoint or file for serviceId: 9e0c1f61-019e-45d6-8b9d-e66bc458a152_com.vmware.vsan.health healthStatusString: null endpointUrl :(null)
It was a clean install.
Any news from Vmware? I'm opening a ticket now.
