I have opened two issues in the issue tracker for tracking this.
https://shoal.dev.java.net/issues/show_bug.cgi?id=56
https://shoal.dev.java.net/issues/show_bug.cgi?id=57
Cheers
Shreedhar
Shreedhar Ganapathy wrote:
> Hi Erik
> Yes, you can certainly configure several settings.
> I do realize that our documentation on this is sparse.
> I will take that as a to do to address. Perhaps we should expose a JMX
> MBean that allows users to view through JConsole or a management UI
> specifics about Shoal communication through Jxta and the configuration
> settings.
>
> In the least, the multicast address and port can be specified.
> Look in the ServiceProviderConfigurationKeys.java
> <https://shoal.dev.java.net/source/browse/shoal/gms/src/java/com/sun/enterprise/ee/cms/core/ServiceProviderConfigurationKeys.java?rev=1.7&view=markup>
> for all properties that can be set.
> The Application Server demo code
> <http://b.amiot.free.fr/index.php?entry=entry080114-055255> that is
> part of shoal's tests directory shows how these configurations can be
> specified.
>
> Hope this helps while we get these configs better documented.
> Cheers
> Shreedhar
>
>
> Erik Brakkee wrote:
>> Hi Shreedhar,
>>
>>
>> I have had similar problems (on linux) and switching off the firewall
>> indeed helped. Nevertheless, I could not easily find the minimal
>> settings to allow shoal multicast traffic in the firewall and am now
>> running my PC without firewall. What are the minimal settings that
>> would work on a single machine (The JXTA manual is a maze)? Which
>> UDP/TCP ports should I open? Is there something I can configure here
>> in my environment to force specific ports?
>>
>> Cheers
>> Erik
>>
>> Shreedhar Ganapathy wrote:
>>> Hi Farid
>>> Thanks for posting here.
>>> If a firewall (windows firewall or any other) is running, it may be
>>> blocking multicast traffic which is preventing discovery of members.
>>> (The view change log shows only one member (self) in each process
>>> and not both).
>>> If this is the case, can you try turning off the firewall and report
>>> back?
>>>
>>> If there is no firewall running and you still see this problem,
>>> check if multicast is enabled on your machine. You can download the
>>> resource kit available here
>>> <http://www.microsoft.com/downloads/details.aspx?familyid=9d467a69-57ff-4ae7-96ee-b18c4790cffd&displaylang=en>
>>> and use the mcast.exe utility to see if multicast is indeed working
>>> on your machine. Although the resource kit is for windows 2003, it
>>> should also work for xp.
>>>
>>> Lastly, check this FAQ entry in GlassFish Wiki :
>>> http://wiki.glassfish.java.net/Wiki.jsp?page=FaqTroubleshootReplication
>>>
>>> hth
>>> Shreedhar
>>>
>>> Farid Gawi wrote:
>>>> Hi,
>>>> According to 'Shreedhar' request to my post at his blog, here are the
>>>> results:
>>>>
>>>> My IP config:
>>>> -------------
>>>> Windows IP Configuration
>>>>
>>>> Host Name . . . . . . . . . . . . : Ivory-Farid
>>>> Primary Dns Suffix . . . . . . . :
>>>> Node Type . . . . . . . . . . . . : Unknown
>>>> IP Routing Enabled. . . . . . . . : No
>>>> WINS Proxy Enabled. . . . . . . . : No
>>>>
>>>> Ethernet adapter Local Area Connection:
>>>>
>>>> Connection-specific DNS Suffix . :
>>>> Description . . . . . . . . . . . : Intel(R) 82562V-2
>>>> 10/100 Network
>>>> Con
>>>> nection
>>>> Physical Address. . . . . . . . . : 00-1A-A0-8E-33-16
>>>> Dhcp Enabled. . . . . . . . . . . : No
>>>> IP Address. . . . . . . . . . . . : 190.144.45.19
>>>> Subnet Mask . . . . . . . . . . . : 255.255.255.0
>>>> Default Gateway . . . . . . . . . : 190.144.45.254
>>>> DNS Servers . . . . . . . . . . . : 212.117.128.6
>>>> 212.117.129.3
>>>>
>>>> Ethernet adapter scorpion:
>>>>
>>>> Connection-specific DNS Suffix . :
>>>> Description . . . . . . . . . . . : 3Com EtherLink XL
>>>> 10/100 PCI TX
>>>> NIC
>>>> (3C905B-TX)
>>>> Physical Address. . . . . . . . . : 00-50-DA-C7-E4-3E
>>>> Dhcp Enabled. . . . . . . . . . . : No
>>>> IP Address. . . . . . . . . . . . : 21.5.0.12
>>>> Subnet Mask . . . . . . . . . . . : 255.255.255.0
>>>> Default Gateway . . . . . . . . . :
>>>>
>>>>
>>>>
>>>> The output of the 2 run instances (on the same machine):
>>>> --------------------------------------------------------
>>>> 1)
>>>> 12/05/2008 10:49:57 test.Test runSimpleSample
>>>> INFO: Starting SimpleGMSSample....
>>>> 12/05/2008 10:49:57 test.Test initializeGMS
>>>> INFO: Initializing Shoal for member: server1210578597078 group:Group1
>>>> 12/05/2008 10:49:57 test.Test registerForGroupEvents
>>>> INFO: Registering for group event notifications
>>>> 12/05/2008 10:49:57 test.Test joinGMSGroup
>>>> INFO: Joining Group Group1
>>>> 12/05/2008 10:49:58 com.sun.enterprise.ee.cms.impl.jxta.ViewWindow
>>>> getMemberTokens
>>>> INFO: GMS View Change Received for group Group1 : Members in view for
>>>> (before change analysis) are :
>>>> 1: MemberId: server1210578597078, MemberType: CORE, Address:
>>>> urn:jxta:uuid-139AFFFD47F1447FA71888B741B77CB3A1C00FD58917452CA532BF555F0150
>>>>
>>>> 2703
>>>>
>>>> 12/05/2008 10:49:58 test.Test sendMessages
>>>> INFO: wait 5 secs to send 10 messages
>>>> 12/05/2008 10:49:58 com.sun.enterprise.ee.cms.impl.jxta.ViewWindow
>>>> newViewObserved
>>>> INFO: Analyzing new membership snapshot received as part of event :
>>>> MASTER_CHANGE_EVENT
>>>> 12/05/2008 10:50:03 test.Test sendMessages
>>>> INFO: Sending messages...
>>>> 12/05/2008 10:50:03 test.Test waitForShutdown
>>>> INFO: wait 20 secs to shutdown
>>>> 12/05/2008 10:50:23 test.Test leaveGroupAndShutdown
>>>> INFO: Shutting down instance server1210578597078
>>>> 12/05/2008 10:50:23 com.sun.enterprise.ee.cms.impl.jxta.GMSContext
>>>> leave
>>>> INFO: Leaving GMS group Group1 with shutdown type set to
>>>> InstanceShutdown
>>>>
>>>> 2)
>>>> 12/05/2008 10:49:59 test.Test runSimpleSample
>>>> INFO: Starting SimpleGMSSample....
>>>> 12/05/2008 10:50:00 test.Test initializeGMS
>>>> INFO: Initializing Shoal for member: server1210578600000 group:Group1
>>>> 12/05/2008 10:50:00 test.Test registerForGroupEvents
>>>> INFO: Registering for group event notifications
>>>> 12/05/2008 10:50:00 test.Test joinGMSGroup
>>>> INFO: Joining Group Group1
>>>> 12/05/2008 10:50:01 com.sun.enterprise.ee.cms.impl.jxta.ViewWindow
>>>> getMemberTokens
>>>> INFO: GMS View Change Received for group Group1 : Members in view for
>>>> (before change analysis) are :
>>>> 1: MemberId: server1210578600000, MemberType: CORE, Address:
>>>> urn:jxta:uuid-139AFFFD47F1447FA71888B741B77CB395386C4D928B44489B1697F65DEFBD
>>>>
>>>> 7D03
>>>>
>>>> 12/05/2008 10:50:01 com.sun.enterprise.ee.cms.impl.jxta.ViewWindow
>>>> newViewObserved
>>>> INFO: Analyzing new membership snapshot received as part of event :
>>>> MASTER_CHANGE_EVENT
>>>> 12/05/2008 10:50:01 test.Test sendMessages
>>>> INFO: wait 5 secs to send 10 messages
>>>> 12/05/2008 10:50:06 test.Test sendMessages
>>>> INFO: Sending messages...
>>>> 12/05/2008 10:50:06 test.Test waitForShutdown
>>>> INFO: wait 20 secs to shutdown
>>>> 12/05/2008 10:50:26 test.Test leaveGroupAndShutdown
>>>> INFO: Shutting down instance server1210578600000
>>>> 12/05/2008 10:50:26 com.sun.enterprise.ee.cms.impl.jxta.GMSContext
>>>> leave
>>>> INFO: Leaving GMS group Group1 with shutdown type set to
>>>> InstanceShutdown
>>>>
>>>>
>>>> My previous post:
>>>> -----------------
>>>>
>>>> Hi,
>>>> I'm trying to use Shoal..But I'm missing something in the concept
>>>> maybe...
>>>> I've used the example attached to this mail (which suggested as
>>>> part of
>>>> Shreedhar' s Weblog) but it didn't work for me..
>>>> I'm running the example under jdk 1.6, by invoking 2 instances of
>>>> the main
>>>> class..and there is no messages transfer between the 2 instances!
>>>> is it ok or something is totally wrong with what i'm doing ?
>>>> can you please guide me to make this example run as expected?
>>>> How Shaol is related to "Sun GlassFish Enterprise Server", if any?
>>>>
>>>>
>>>> Tnanks in advance.
>>>>
>>>> Farid Ghawi
>>>> ---------------------------
>>>> Ivory Software Systems LTD.
>>>> Tel: 03-5381-865
>>>>
>>>> ------------------------------------------------------------------------
>>>>
>>>>
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>>
>>
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