DaanHoogland commented on a change in pull request #4396:
URL: https://github.com/apache/cloudstack/pull/4396#discussion_r575140420
##########
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:
```suggestion
+ (_networkModel.getNetwork(ntwkId) != null)
_networkModel.getNetwork(ntwkId).getName()) : "<unknown>";
```
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