JDK-7144274 : [macosx] Default IPv6 multicast interface is not being set when calling MulticastSocket.joinGroup()
  • Type: Bug
  • Component: core-libs
  • Sub-Component: java.net
  • Affected Version: 7u4,8
  • Priority: P4
  • Status: Closed
  • Resolution: Fixed
  • OS: os_x,solaris
  • CPU: generic,x86
  • Submitted: 2012-02-09
  • Updated: 2012-04-30
  • Resolved: 2012-04-11
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JDK 7 JDK 8
7u4 b13Fixed 8Fixed
Related Reports
Duplicate :  
JDK-7083657 - java/net/MulticastSocket/NoLoopbackPackets.java failed with "Cannot assign requested address"
Relates :  
JDK-7160489 - java/net/MulticastSocket/NoLoopbackPackets.java failed with message "Can't assign requested address"
Description
When calling the method MulticastSocket.joinGroup(InetAddress mcastaddr), the default interface for the address is not being set correctly for an IPv6 address, as a result of which the method call results in java.net.SocketException: Can't assign requested address.
test/java/net/MulticastSocket/NoLoopbackPackets.java is an example regression test that causes this exception.
Comments
EVALUATION The following changeset introduces a utility function to retrieve a default networking interface. Depending on whether the OS is Mac OS X, the native call for joinGroup() then extracts the default interface if nothing is set. Changeset: 99cc5c9ef200 Author: khazra Date: 2012-02-15 15:49 +0000 URL: http://hg.openjdk.java.net/jdk7u/jdk7u-dev/jdk/rev/99cc5c9ef200 7144274: [macosx] Default IPv6 multicast interface is not being set when calling MulticastSocket.joinGroup() Reviewed-by: chegar, alanb ! src/solaris/native/java/net/PlainDatagramSocketImpl.c ! src/solaris/native/java/net/net_util_md.c
15-02-2012