2013/5/31 Mark Thomas <ma...@apache.org>: > On 31/05/2013 06:36, Rainer Jung wrote: >> On 30.05.2013 22:15, ma...@apache.org wrote: >>> Author: markt >>> Date: Thu May 30 20:15:15 2013 >>> New Revision: 1487993 >>> >>> URL: http://svn.apache.org/r1487993 >>> Log: >>> Finally figured out how t get multicast working locally on my mac. Document >>> it. >>> >>> Modified: >>> tomcat/trunk/test/org/apache/catalina/tribes/TesterMulticast.java >>> >>> Modified: tomcat/trunk/test/org/apache/catalina/tribes/TesterMulticast.java >>> URL: >>> http://svn.apache.org/viewvc/tomcat/trunk/test/org/apache/catalina/tribes/TesterMulticast.java?rev=1487993&r1=1487992&r2=1487993&view=diff >>> ============================================================================== >>> --- tomcat/trunk/test/org/apache/catalina/tribes/TesterMulticast.java >>> (original) >>> +++ tomcat/trunk/test/org/apache/catalina/tribes/TesterMulticast.java Thu >>> May 30 20:15:15 2013 >>> @@ -24,6 +24,23 @@ import java.net.UnknownHostException; >>> /** >>> * A simple multicast test that replicates the core elements of Tomcat's >>> * multicast membership. If this works then multicast membership should >>> work. >>> + * Useful notes for various operating systems follow.<p> >>> + * OSX >>> + * <ul> >>> + * <li>Multicast is not routed by default.</li> >>> + * <li>Check if multicast is routed by looking at the routing table via >>> + * <code>netstat -nr</code>. If there is no line the output for >>> 228.0.0.4 >>> + * then multicast will not work.</li> >>> + * <li>Add a route for multicast using >>> + * <code>sudo route -nv add -net 228.0.0.4 -interface en0</code></li> >>> + * <li>The firewall blocks multicast bewteen processes on the local >>> machine so >>> + * you will need to disable the OSX forewall before the test below will >>> + * work.</li> >>> + * </ul> >> >> Shouldn't the multicast route be for network 224.0.0.0 with netmask >> 240.0.0.0? > > For the general case. > >> I think the above is just an example multicast address and typical >> system will not have a route for that one, but could and should have a >> route for multicast in general (224.0.0.0/240.0.0.0). > > OSX doesn't have any multicast routes present by default. The notes > could certainly be amended to reflect the more general case. >
Maybe add this to the "(7) Tests" section of BUILDING.txt? At least a brief "see TesterMulticast.java". This class is not part of active testsuite though. Best regards, Konstantin Kolinko --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@tomcat.apache.org For additional commands, e-mail: dev-h...@tomcat.apache.org
