JDK-6404473 : VISTA: MulticastSocket.setInterface fails to set Interface (ipv4)
- Type: Bug
- Component: core-libs
- Sub-Component: java.net
- Affected Version: 6
- Priority: P2
- Status: Closed
- Resolution: Not an Issue
- OS: windows_vista
- CPU: generic
- Submitted: 2006-03-27
- Updated: 2012-03-23
- Resolved: 2006-08-08
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| JDK 6 |
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6Resolved  |
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Description
MulticastSocket.setInterface(InetAddress) simply sets the socket option IP_MULTICAST_IF. This interface value is then used when joining/leaving a group as the in_addr for ip_mreq.imr_interface. The problem is that the address returned from getsockopt is not the same as the one used in setsockopt.
This is a native vista issue and can be reproduced with a simple native testcase (attached, TestIP_MULTICAST_IF.c). This needs to be fixed in the vista platform.
Native Tests show:
T:\6358574>TestIP_MULTICAST_IF
Set IP_MULTICAST_IF = 129.156.232.46
Get IP_MULTICAST_IF = 10.0.0.0
This causes the following jck tests to fail:
api/java_net/MulticastSocket/descriptions.html#send
api/java_net/MulticastSocket/descriptions.html#setTimeToLive[MulticastSocket1021]
api/java_net/MulticastSocket/descriptions.html#setTimeToLive[MulticastSocket1022]
api/java_net/MulticastSocket/descriptions.html#setTTL[MulticastSocket1018]
api/java_net/MulticastSocket/descriptions.html#setTTL[MulticastSocket1019]
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