Github user arina-ielchiieva commented on a diff in the pull request: https://github.com/apache/drill/pull/445#discussion_r58505187 --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/service/ServiceEngine.java --- @@ -177,6 +182,13 @@ public void run() { }); } + /** If in distributed mode, disallow using loopback address to register new drillbit. */ + private void checkLoopbackAddress(String address) throws DrillbitStartupException, UnknownHostException { + if (isDistributedMode && InetAddress.getByName(address).isLoopbackAddress()) { + throw new DrillbitStartupException("Loopback address is not allowed to be registered in distributed mode"); --- End diff -- Sounds reasonable. Updated PR.
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