4cb8b620c3
Previously when trying to listen on virtual interfaces during bootstrap the application would stop working - the interface couldn't be found by the NetworkUtils class. The NetworkUtils utilize the underlying JDK NetworkInterface class which, when asked to lookup by name only takes physical interfaces into account, failing at virtual (or subinterfaces) ones (returning null). Note that when interating over all interfaces, both physical and virtual ones are taken into account. This changeset asks for all known interfaces, iterates over them and matches on the given name as part of the loop, allowing it to catch both physical and virtual interfaces. As a result, elasticsearch can now also serve on virtual interfaces. A test case has been added which at least makes sure that all iterable interfaces can be found by their respective name. (It's not easily possible in a unit test to "fake" virtual interfaces). Relates #19537 |
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