Refactor and revert changes with assign VM error

Author: Stephan Krug

api/src/main/java/com/cloud/vm/UserVmService.java

@@ -483,7 +483,7 @@ VirtualMachine migrateVirtualMachine(Long vmId, Host destinationHost) throws Res
     VirtualMachine migrateVirtualMachineWithVolume(Long vmId, Host destinationHost, Map<String, String> volumeToPool) throws ResourceUnavailableException,
         ConcurrentOperationException, ManagementServerException, VirtualMachineMigrationException;
 
-    UserVm moveVMToUser(AssignVMCmd moveUserVMCmd) throws ResourceAllocationException, ConcurrentOperationException, ResourceUnavailableException,
+    UserVm moveVmToUser(AssignVMCmd moveUserVMCmd) throws ResourceAllocationException, ConcurrentOperationException, ResourceUnavailableException,
         InsufficientCapacityException;
 
     VirtualMachine vmStorageMigration(Long vmId, StoragePool destPool);

api/src/main/java/org/apache/cloudstack/api/command/admin/vm/AssignVMCmd.java

@@ -120,7 +120,7 @@ public List<Long> getSecurityGroupIdList() {
     @Override
     public void execute() {
         try {
-            UserVm userVm = _userVmService.moveVMToUser(this);
+            UserVm userVm = _userVmService.moveVmToUser(this);
             if (userVm == null) {
                 throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR, "Failed to move vm");
             }