DaanHoogland commented on a change in pull request #4396:
URL: https://github.com/apache/cloudstack/pull/4396#discussion_r503831503



##########
File path: server/src/main/java/com/cloud/vm/UserVmManagerImpl.java
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@@ -3821,7 +3821,7 @@ private void checkIfHostNameUniqueInNtwkDomain(String 
hostName, List<? extends N
                 // * verify that there are no duplicates
                 if (hostNames.contains(hostName)) {
                     throw new InvalidParameterValueException("The vm with 
hostName " + hostName + " already exists in the network domain: " + 
ntwkDomain.getKey() + "; network="
-                            + _networkModel.getNetwork(ntwkId));
+                            + _networkModel.getNetwork(ntwkId).getName());

Review comment:
       > @DaanHoogland we are iterating over the list of networks which got 
populated earlier and it contains only valid existing networks. so networkmodel 
shouldnt return null
   
   Maybe so @ravening, i trust your judgement on that. But it didn't happen in 
this method, so there is no telling what future generations will make of it.




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