Re: Disabling Multicast to run multiple JavaSpace

Just to clarify, I don't see evidence of multicast announcements in the snoop
output; the multicast announcements would show up as UDP traffic.

Juan Ramirez wrote:
> The traffic you are seing is being generated by the LookupDiscoveryManager used
> by Reggie.  I am assumming the snippets you provided come from the same output,
> so the output listing the network interfaces is not coming directly from Reggie,
> but rather from the LookupDiscovery that LookupDiscoveryManager uses. It seems
> to me that what snoop is reporting is LookupDiscovery joining the multicast
> announcement group.  If you want to avoid this output, try adding the following
> to transient-reggie.config
>
> net.jini.discovery.LookupDiscovery {
>     multicastInterfaces = new NetworkInterface[]{};
> }
>
> You will probably have to do something similar for outrigger's configuration file.
>
> timur mehrvarz wrote:
>
>>Hello,
>>
>>we're trying to disable multicast traffic, so that we can run two (or
>>more) JavaSpaces in parallel in the same LAN.
>>
>>Despite the fact that we have disabled multicast usage (zero length
>>array for multicastInterfaces), JINI discovers all configured
>>interfaces:
>>
>>CONFIG: LookupDiscovery - multicast network interface(s): [name:qfe3
>>(qfe3) index: 4 addresses:
>>/10.215.203.68;
>>, name:qfe2 (qfe2) index: 3 addresses:
>>/10.215.203.66;
>>/10.215.203.67;
>>, name:hme0 (hme0) index: 2 addresses:
>>/10.215.52.192;
>>, name:lo0 (lo0) index: 1 addresses:
>>/127.0.0.1;
>>]
>>
>>[.....]
>>Mar 22, 2005 11:23:16 AM com.sun.jini.reggie.RegistrarImpl init
>>CONFIG: multicast disabled
>>Mar 22, 2005 11:23:16 AM net.jini.config.AbstractConfiguration
>>getEntryInternal
>>FAILED: ConfigurationFile@120cc56{transient-reggie.config}, component
>>com.sun.jini.reggie, name multicastRequestSubjectChecker: entry not
>>found
>>[.....]
>>
>>Obviously, multicast is disabled.
>>
>>Nevertheless:
>>
>>root@wherever#snoop -d qfe3 net 224.0.1.84 or net 224.0.1.85
>>Using device /dev/qfe (promiscuous mode)
>>  wherever-qfe3 -> JINI-ANNOUNCEMENT.MCAST.NET IP  D=224.0.1.84
>>S=10.215.203.68 LEN=28, ID=9325
>>           app1 -> JINI-ANNOUNCEMENT.MCAST.NET IP  D=224.0.1.84
>>S=10.215.203.66 LEN=28, ID=40772
>>           app1 -> JINI-ANNOUNCEMENT.MCAST.NET IP  D=224.0.1.84
>>S=10.215.203.66 LEN=28, ID=40773
>>
>>Multicast announcements are being sent out.
>>
>>Is there any way to totally disable the multicast traffic?
>>
>>Cheers,
>>Timur
>>
>>
>>Startup: ===
>>
>>#!/bin/sh
>>/apps/java/j2sdk/current/bin/java
>>-Djava.util.logging.config.file=reggie.log.properties
>>-Djava.security.policy=services.all.policy
>>-Djsk.lib=/apps/jini/jini2_0_002/lib -jar
>>/apps/jini/jini2_0_002/lib/start.jar t1.config
>>
>>===
>>
>>t1.config: ===
>>import com.sun.jini.start.NonActivatableServiceDescriptor;
>>import com.sun.jini.start.ServiceDescriptor;
>>import com.sun.jini.config.ConfigUtil;
>>
>>com.sun.jini.start {
>>     private static reggieconf = "transient-reggie.config";
>>
>>     // Discovery Group to use
>>     private static group = "${user.name}";
>>
>>     private static httpdPort = "8090";
>>     private static codebaseBase = ConfigUtil.concat(new Object[] {
>>         "http://", ConfigUtil.getHostName(), ":", httpdPort, "/"});
>>
>>     private static policy = "services.all.policy";
>>     private static classpathBase = ConfigUtil.concat(new Object[] {
>>          "${jsk.lib}","${/}"});
>>
>>     static serviceDescriptors = new ServiceDescriptor[] {
>>
>>         // httpd
>>         new NonActivatableServiceDescriptor(
>>             "",
>>             policy,
>>             ConfigUtil.concat(new Object[] {classpathBase,
>>"tools.jar"}),
>>             "com.sun.jini.tool.ClassServer",
>>             new String[]{"-port", httpdPort, "-dir", "${jsk.lib}",
>>"-verbose"}),
>>         // Reggie (lookup service)
>>         new NonActivatableServiceDescriptor(
>>             ConfigUtil.concat(new Object[] {codebaseBase,
>>"reggie-dl.jar"}),
>>             policy,
>>             ConfigUtil.concat(new Object[] {classpathBase,
>>"reggie.jar"}),
>>             "com.sun.jini.reggie.TransientRegistrarImpl",
>>             new String[] { reggieconf })
>>     };
>>}
>>===
>>
>>transient-reggie.config: ===
>>import net.jini.jeri.BasicILFactory;
>>import net.jini.jeri.BasicJeriExporter;
>>import net.jini.jeri.tcp.TcpServerEndpoint;
>>
>>com.sun.jini.reggie {
>>
>>     multicastInterfaces = new java.net.NetworkInterface[]{};
>>     initialMemberGroups = new String[] { "cb-member-group" };
>>}
>>===
>>
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>
>
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>
> To view past JAVASPACES-USERS postings, please see:
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>
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To unsubscribe, send email to [email protected] and include in the body
of the message "signoff JAVASPACES-USERS".  For general help, send email to
[email protected] and include in the body of the message "help".

To view past JAVASPACES-USERS postings, please see:
http://archives.java.sun.com/archives/javaspaces-users.html

JDC members can download the JavaSpaces(tm) Technology from:
http://developer.java.sun.com/developer/products/jini/