nandakumar131 commented on issue #1153: HDDS-1855. TestStorageContainerManager#testScmProcessDatanodeHeartbeat is failing. URL: https://github.com/apache/hadoop/pull/1153#issuecomment-515311574 @ChenSammi, the test was failing even in my local. This is because `CachedDNSToSwitchMapping` always uses IP address for the resolution. ``` public List<String> resolve(List<String> names) { // normalize all input names to be in the form of IP addresses names = NetUtils.normalizeHostNames(names); List <String> result = new ArrayList<String>(names.size()); if (names.isEmpty()) { return result; } List<String> uncachedHosts = getUncachedHosts(names); // Resolve the uncached hosts List<String> resolvedHosts = rawMapping.resolve(uncachedHosts); //cache them cacheResolvedHosts(uncachedHosts, resolvedHosts); //now look up the entire list in the cache return getCachedHosts(names); } ``` **Note:** // normalize all input names to be in the form of IP addresses
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