[jboss-jira] [JBoss JIRA] (JGRP-1535) SocketException WARN messages at startup

[Edward Sutter (JIRA)]

    [ https://issues.jboss.org/browse/JGRP-1535?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12733115#comment-12733115 ] 

Edward Sutter commented on JGRP-1535:
-------------------------------------

It looks like we have IPv4 explicitly disabled on the network adapter we were testing with --but it still allowed IPv6.  We are testing on a Windows server.  The option is a checkbox on the adapter's settings page.  


                
> SocketException WARN messages at startup
> ----------------------------------------
>
>                 Key: JGRP-1535
>                 URL: https://issues.jboss.org/browse/JGRP-1535
>             Project: JGroups
>          Issue Type: Enhancement
>    Affects Versions: 3.0.14, 3.2
>            Reporter: Edward Sutter
>            Assignee: Bela Ban
>            Priority: Minor
>             Fix For: 3.3
>
>
> We are seeing the following messages when starting our server nodes.  From what I can tell from the source, JGroups is attempting to attach to every detected network interface and logs warning messages when an IP address is not found.  
> I'm not seeing any negative behavior from JGroups but the messages cause some alarm to our administrators.  Ideally JGroups would *not* log a message in the case where the interface does not have an IP address associated with it.  Alternatively, lowering the log level to DEBUG could also work.
> WARN [org.jgroups.protocols.TCP] failed to join /224.0.75.75:7500 on net3: java.net.SocketException: Unrecognized Windows Sockets error: 0: no Inet4Address associated with interface
> WARN [org.jgroups.protocols.TCP] failed to join /224.0.75.75:7500 on net4: java.net.SocketException: Unrecognized Windows Sockets error: 0: no Inet4Address associated with interface

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