Known issue? java/nio/channels/DatagramChannel/MulticastSendReceiveTests.java

[Kelly O'Hair]

On Dec 31, 2011, at 2:31 AM, Alan Bateman wrote:

> On 31/12/2011 01:31, Kelly O'Hair wrote:
>> Just wondering if anyone has seen this testcase failure.
>> I'm using Fedora 9 x86.
>> 
>> -kto
>> :
>> 
>> Test DatagramChannel to INET socket
>> join 225.4.5.6 @ virbr0
>> Send message from 192.168.122.1 ->  group 225.4.5.6 (id=0x23b98c4a)
>> Waiting to receive message
>> STDERR:
>> java.lang.RuntimeException: Expected message not recieved
>> 
> We've had test failures on systems with the ip6tables packet filter blocking IPv6 multicast packets but otherwise I can't think of any issues.
> 
> In this case the interface is virbr0 so I assume this is a virtual environment. I think this may need going through the libvirt configuration as I assume the issue is that IPv4 multicast packets aren't being forwarded.
> 
> -Alan.

WHOOSH ... something flew over my head, probably packets I don't understand...  ;^)

Let me know if I need to file a bug, or need to look closer at the system I was using, and what to look at.

-kto