java.net.PlainDatagramSocketImpl.join(Native Method), invalid argument

[Dan Daley]

I ran into this issue about a year and a half ago.  If this is the same issue, it had something to do with the way an IPv4 address is bound to IPv6.  
I also ran into the issue on some older flavors of linux, though it seems that the issue didn't happen on newer flavors.

Sorry, I don't remember more details now.  But, maybe someone else can shed more light on the IPv4/IPv6 issue with UDP in Java.


On Feb 22, 2014, at 10:45 PM, Craig Rodrigues <rodrigc at FreeBSD.org> wrote:

> Hi,
> 
> I can reproduce the following problem pretty easily
> on FreeBSD 9, 10, CURRENT.
> 
> (1)  Install the devel/jenkins port
> 
> (2)  Run:
> 
> service jenkins onestart
> 
> (3)  In /var/log/jenkins.log, I see a traceback:
> 
> WARNING: UDP handling problem
> java.net.SocketException: Invalid argument
>        at java.net.PlainDatagramSocketImpl.join(Native Method)
>        at
> java.net.AbstractPlainDatagramSocketImpl.join(AbstractPlainDatagramSocketImpl.java:168)
>        at java.net.MulticastSocket.joinGroup(MulticastSocket.java:300)
>        at hudson.UDPBroadcastThread.run(UDPBroadcastThread.java:76)
> Feb 22, 2014 5:21:00 PM hudson.WebAppMain$3 run
> 
> 
> 
> I reported this bug against Jenkins:
> 
> https://issues.jenkins-ci.org/browse/JENKINS-21727
> 
> 
> but now I suspect that this is a FreeBSD bug or
> implementation with respect to multicast.
> 
> 
> Can someone help me debug this and isolate the problem?
> It's been a while since I've debugged Java code.
> 
> Thanks.
> --
> Craig
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