Done. issue 96.
Shreedhar Ganapathy wrote:
> This is a good catch. Could you file an issue in the Shoal issue tracker ?
>
> Thanks a lot.
>
> Shreedhar
>
>
> Daniel H. Cavalcanti wrote:
>> Yes, i did notice the exception when I run the app from the same
>> machine. However, when I run the app from different machines (one in
>> each machine), I don't see any exceptions*.
>>
>>
>> * Except for another scenario. I click on join to join the group.
>> Then, click on shutdown to leave the group, and then click on join
>> again. When I do that, I get an exception:
>>
>> Jan 19, 2010 3:43:58 PM
>> com.sun.enterprise.ee.cms.impl.common.GroupManagementServiceImpl
>> reportJoinedAndReadyState
>> INFO: GMS:Reporting Joined and Ready state to group LMI
>> Jan 19, 2010 3:43:58 PM com.sun.enterprise.ee.cms.impl.jxta.ViewWindow
>> getMemberTokens
>> INFO: GMS View Change Received for group LMI : Members in view for
>> MASTER_CHANGE_EVENT(before change analysis) are :
>> 1: MemberId: papagaio.isxinc.com, MemberType: CORE, Address:
>> urn:jxta:uuid-59616261646162614A787461503250334E888D237E60470A8F22D217A5C5CBE803
>>
>>
>> Jan 19, 2010 3:43:58 PM com.sun.enterprise.ee.cms.impl.jxta.ViewWindow
>> newViewObserved
>> INFO: Analyzing new membership snapshot received as part of event :
>> MASTER_CHANGE_EVENT for Member: papagaio.isxinc.com of Group: LMI
>> Jan 19, 2010 3:43:58 PM com.sun.enterprise.ee.cms.impl.jxta.ViewWindow
>> addGroupLeadershipNotificationSignal
>> INFO: adding GroupLeadershipNotification signal leaderMember:
>> papagaio.isxinc.com of group: LMI
>> [LMI,papagaio.isxinc.com,class
>> com.sun.enterprise.ee.cms.impl.common.GroupLeadershipNotificationSignalImpl]
>>
>> [papagaio.isxinc.com]
>> Jan 19, 2010 3:44:03 PM com.sun.enterprise.jxtamgmt.ClusterViewManager
>> addToView
>> WARNING: no changes from previous view, skipping notification of
>> listeners for cluster view event MASTER_CHANGE_EVENT from member:
>> papagaio.isxinc.com group: LMI
>> Jan 19, 2010 3:44:03 PM com.sun.enterprise.jxtamgmt.MasterNode
>> appointMasterNode
>> INFO: Assuming Master Node designation member:papagaio.isxinc.com for
>> group:LMI
>> Jan 19, 2010 3:44:03 PM com.sun.enterprise.jxtamgmt.HealthMonitor
>> reportJoinedAndReadyState
>> INFO: Calling reportMyState() with READY...
>> Jan 19, 2010 3:44:03 PM com.sun.enterprise.ee.cms.impl.jxta.ViewWindow
>> getMemberTokens
>> INFO: GMS View Change Received for group LMI : Members in view for
>> JOINED_AND_READY_EVENT(before change analysis) are :
>> 1: MemberId: papagaio.isxinc.com, MemberType: CORE, Address:
>> urn:jxta:uuid-59616261646162614A787461503250334E888D237E60470A8F22D217A5C5CBE803
>>
>>
>> Jan 19, 2010 3:44:03 PM com.sun.enterprise.ee.cms.impl.jxta.ViewWindow
>> newViewObserved
>> INFO: Analyzing new membership snapshot received as part of event :
>> JOINED_AND_READY_EVENT for Member: papagaio.isxinc.com of Group: LMI
>> Jan 19, 2010 3:44:03 PM com.sun.enterprise.ee.cms.impl.jxta.ViewWindow
>> addReadyMembers
>> INFO: Adding Joined And Ready member : papagaio.isxinc.com Group: :LMI
>> StartupState:INSTANCE_STARTUP
>> [LMI,papagaio.isxinc.com,class
>> com.sun.enterprise.ee.cms.impl.common.JoinedAndReadyNotificationSignalImpl]
>>
>> Jan 19, 2010 3:44:06 PM com.sun.enterprise.ee.cms.impl.jxta.GMSContext
>> leave
>> INFO: Leaving GMS group LMI with shutdown type set to InstanceShutdown
>> Exception in thread "MessageWindowThread:LMI"
>> java.lang.NullPointerException
>> at
>> com.sun.enterprise.ee.cms.impl.jxta.MessageWindow.run(MessageWindow.java:86)
>>
>> at java.lang.Thread.run(Thread.java:619)
>> Jan 19, 2010 3:44:08 PM
>> com.sun.enterprise.ee.cms.impl.common.GroupManagementServiceImpl
>> reportJoinedAndReadyState
>> INFO: GMS:Reporting Joined and Ready state to group LMI
>> java.lang.NullPointerException
>> at
>> com.sun.enterprise.ee.cms.impl.common.GroupManagementServiceImpl.reportJoinedAndReadyState(GroupManagementServiceImpl.java:433)
>>
>> at
>> com.localmatters.shoal.ShoalSample$4.doInBackground(ShoalSample.java:135)
>> at javax.swing.SwingWorker$1.call(SwingWorker.java:274)
>> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
>> at javax.swing.SwingWorker.run(SwingWorker.java:313)
>> at
>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>>
>> at
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>>
>> at java.lang.Thread.run(Thread.java:619)
>> Jan 19, 2010 3:44:08 PM com.sun.enterprise.ee.cms.impl.jxta.ViewWindow
>> getMemberTokens
>> INFO: GMS View Change Received for group LMI : Members in view for
>> MASTER_CHANGE_EVENT(before change analysis) are :
>> 1: MemberId: papagaio.isxinc.com, MemberType: CORE, Address:
>> urn:jxta:uuid-59616261646162614A787461503250334E888D237E60470A8F22D217A5C5CBE803
>>
>>
>> Jan 19, 2010 3:44:08 PM com.sun.enterprise.ee.cms.impl.jxta.ViewWindow
>> newViewObserved
>> INFO: Analyzing new membership snapshot received as part of event :
>> MASTER_CHANGE_EVENT for Member: papagaio.isxinc.com of Group: LMI
>> Jan 19, 2010 3:44:08 PM com.sun.enterprise.ee.cms.impl.jxta.ViewWindow
>> addGroupLeadershipNotificationSignal
>> INFO: adding GroupLeadershipNotification signal leaderMember:
>> papagaio.isxinc.com of group: LMI
>> Jan 19, 2010 3:44:13 PM com.sun.enterprise.jxtamgmt.ClusterViewManager
>> addToView
>> WARNING: no changes from previous view, skipping notification of
>> listeners for cluster view event MASTER_CHANGE_EVENT from member:
>> papagaio.isxinc.com group: LMI
>> Jan 19, 2010 3:44:13 PM com.sun.enterprise.jxtamgmt.MasterNode
>> appointMasterNode
>> INFO: Assuming Master Node designation member:papagaio.isxinc.com for
>> group:LMI
>>
>>
>> Shreedhar Ganapathy wrote:
>>> Daniel
>>> Do you see any Exceptions in your log when the message is sent ?
>>> I see an NPE when running two processes in a single machine (after
>>> appending System.currenTimeMillis() to help make the two process's
>>> server names unique.
>>> We will look into the NPE - just wanted to be sure you see the same
>>> issue as well or any others.
>>>
>>> Thanks
>>> Shreedhar
>>>
>>> Daniel H. Cavalcanti wrote:
>>>> Hi Shreedhar,
>>>>
>>>> I can share the sample code I wrote. It's a very simple app that
>>>> starts a gui, Then I have buttons that triggers events to join a
>>>> group, send messages, and the shutdown/leave the group.
>>>>
>>>> I attached it here but don't know if it gets posted in the list.
>>>>
>>>> I actually start the app on two different machines, and from the log
>>>> I see that the group sees the two nodes in the group.
>>>>
>>>> Ganapathy wrote:
>>>>> Hi Daniel
>>>>> Sorry for the delayed response.
>>>>> From the posted thread, it appears you are starting only one
>>>>> member in your group.
>>>>> Could you verify if that member has added the MessageActionFactory
>>>>> before messages are sent?
>>>>> Also, to receive messages sent by self, you need to add a property
>>>>> to the Properties object when you call GMSFactory.startGMSModule(...)
>>>>>
>>>>> The property is called "LOOPBACK" with value set to true.
>>>>> By default, messages sent by a member are not received by that same
>>>>> member unless the above property set to true.
>>>>>
>>>>> Could you also try running two instances of your app and verify
>>>>> your messaging sample?
>>>>>
>>>>> hth
>>>>> Shreedhar
>>>>>
>>>>>
>>>>> Daniel H. Cavalcanti wrote:
>>>>>> Hi, I posted an inquiry in the shoal mailing list and just don't
>>>>>> get any responses. Maybe someone here could help out.
>>>>>>
>>>>>> Here is the link on the entry I posted:
>>>>>> https://shoal.dev.java.net/servlets/ReadMsg?list=users&msgNo=490
>>>>>>
>>>>>> Basically, I can't get shoal to deliver messages to the peer group.
>>>>>> Can someone help?
>>>>>>
>>>>>> thanks,
>>>>>> Daniel.
>>>>>>
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>>>>
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