I think you have an old mmbaseroot.xml
Add this line to mmbaseroot.xml and you should get multicast log
messages on startup
<property
name="sharedstorage">org.mmbase.module.core.change.Multicast</property>
The properties used are then in config/utils/multicast.xml. The
properties in mmbaseroot.xml are not used. Neither are the properties in
unicast.xml these are only used when you set the sharedstorage to Unicast.
Nico Klasens
Arjen Roodselaar wrote:
Hi Nico,
Thanks for your reply!
On Thursday 23 March 2006 15:18, Nico Klasens wrote:
One vital piece of information is missing in your post. Which version of
MMBase are yoy using.
Good point! I totally forgot to mention version numbers:
MMBase 1.7.3-final 20050107
Tomcat 5.5.15
Sun Java 1.4.2_08-b3
1.7.2 and up moved the properties to config/utils/multicast.xml and the
mmbaseroot.xml has a property sharedstorage.
The only thing I could find in mmbaseroot.xml about storage is this:
<property
name="storagemanagerfactory">org.mmbase.storage.implementation.database.DatabaseStorageManagerFactory</property>
Also, there are multicast properties in my mmbaseroot.xml. Is this also true
for a generic MMbase 1.7.3 or did the developers who delivered this app
fowardport the config files from an older MMbase version and thereby breaking
certain functionality?
When you use 1.7.1 add a logger for class
org.mmbase.module.core.MMBaseMultiCast with debug in the log4j.xml and
you should see some messages passing around.
I added the following to my log4j.xml but I'm unable to spot any mcast
information in the log:
<logger name="org.mmbase.module.core.MMBaseMultiCast" >
<level class="&mmlevel;" value ="debug" />
</logger>
Is this correct?
Another thing nice to know is: are the machines on the same wire or are
there any routers/switches between them. The implementation uses a ttl
of 1 which means that the packets won't leave the wire.
The machines are on the same switch (and vlan), so a TTL of 1 should be
enough.
Editing multicast.xml and setting a value for "multicasthost" didn't solve my
problem yet. Also, should the port number specified in utils/multicast.xml be
the same number specified in utils/unicast.xml? I guess not, but I've been
wrong before.
Thanks in advance for more input!
Arjen
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