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https://issues.apache.org/jira/browse/MESOS-2371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14326647#comment-14326647
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Kapil Arya edited comment on MESOS-2371 at 2/19/15 1:02 AM:
------------------------------------------------------------

Created a RR: https://reviews.apache.org/r/31162/

Tested with master running HEAD with this patch, and slave running 0.21.0 with 
src/test-framework.

The tests succeed when src/test-framework is running from the same version as 
the slave.  However, if I run src/test-framework from the master version, it 
doesn't succeed and errors out with unexpected TASK_LOST.  Not sure if this is 
the desired behavior.

EDIT: The TASK_LOST issue was a local configuration issue and was fixed once 
LD_LIBRARY_PATH was adjusted to point to the correct location


was (Author: karya):
Created a RR: https://reviews.apache.org/r/31162/

Tested with master running HEAD with this patch, and slave running 0.21.0 with 
src/test-framework.

The tests succeed when src/test-framework is running from the same version as 
the slave.  However, if I run src/test-framework from the master version, it 
doesn't succeed and errors out with unexpected TASK_LOST.  Not sure if this is 
the desired behavior.

> Removing internal namespace for protobufs results in incompatible upgrade
> -------------------------------------------------------------------------
>
>                 Key: MESOS-2371
>                 URL: https://issues.apache.org/jira/browse/MESOS-2371
>             Project: Mesos
>          Issue Type: Bug
>            Reporter: Jie Yu
>            Assignee: Kapil Arya
>            Priority: Blocker
>
> This bug is introduced this ticket:
> https://issues.apache.org/jira/browse/MESOS-2272
> where we removed internal namespace for all our protobuf messages. For 
> example: mesos::internal::AuthenticateMessage -> mesos::AuthenticateMessage
> As a result, the new master/slave (0.22.0) will drop all messages from old 
> master/slave (0.21.0) because the protobuf message type name does not match.



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