Github user markap14 commented on a diff in the pull request: https://github.com/apache/nifi/pull/688#discussion_r72614705 --- Diff: nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-cluster/src/main/java/org/apache/nifi/cluster/coordination/heartbeat/ClusterProtocolHeartbeatMonitor.java --- @@ -91,12 +91,8 @@ public ClusterProtocolHeartbeatMonitor(final ClusterCoordinator clusterCoordinat this.clusterNodesPath = zkClientConfig.resolvePath("cluster/nodes"); String hostname = properties.getProperty(NiFiProperties.CLUSTER_NODE_ADDRESS); - if (hostname == null) { - try { - hostname = InetAddress.getLocalHost().getHostName(); - } catch (UnknownHostException e) { - throw new RuntimeException("Unable to determine local hostname and the '" + NiFiProperties.CLUSTER_NODE_ADDRESS + "' property is not set"); - } + if (hostname == null || hostname.trim().isEmpty()) { --- End diff -- @ijokarumawak I just updated the PR to check if empty as well, since I do think the error message is cleaner in that case.
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