return ESXi by default

Author: DaanHoogland

vmware-base/src/main/java/com/cloud/hypervisor/vmware/mo/HostMO.java

@@ -321,9 +321,9 @@ public AboutInfo getHostAboutInfo() throws Exception {
     public VmwareHostType getHostType() throws Exception {
         AboutInfo aboutInfo = getHostAboutInfo();
         if (aboutInfo == null) {
-            String msg = "no type info about host known"
-            s_logger.error(msg)
-            throw new Exception(msg);
+            String msg = "no type info about host known, assuming ESXi"
+            s_logger.warn(msg)
+            return VmwareHostType.ESXi;
         }
         if ("VMware ESXi".equals(aboutInfo.getName()))
             return VmwareHostType.ESXi;