JDK-8234915 : Release Note: MulticastSocket getOption(IP_MULTICAST_IF) Returns null when outgoing interface not set
  • Type: Sub-task
  • Component: core-libs
  • Sub-Component: java.net
  • Affected Version: 14
  • Priority: P4
  • Status: Closed
  • Resolution: Delivered
  • Submitted: 2019-11-27
  • Updated: 2020-04-27
  • Resolved: 2019-11-29
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JDK 14
14Resolved
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Description
The `MulticastSocket` method `getOption` has been changed to conform to the behavior described in `StandardSocketOptions.IP_MULTICAST_IF`.
`MulticastSocket.getOption(StandardSocketOptions.IP_MULTICAST_IF)` now returns `null` if no interface has been set.