nvazquez commented on a change in pull request #5006:
URL: https://github.com/apache/cloudstack/pull/5006#discussion_r632487954
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File path: server/src/main/java/com/cloud/vm/UserVmManagerImpl.java
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@@ -2521,6 +2521,13 @@ public UserVm updateVirtualMachine(UpdateVMCmd cmd)
throws ResourceUnavailableEx
String extraConfig = cmd.getExtraConfig();
UserVmVO vmInstance = _vmDao.findById(cmd.getId());
+ if (details.size() > 0) {
Review comment:
Maybe `MapUtils.isNotEmpty(details)` to prevent possible NPE?
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