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https://issues.apache.org/jira/browse/GEODE-8240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17150392#comment-17150392
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ASF GitHub Bot commented on GEODE-8240:
---------------------------------------
Bill commented on pull request #5336:
URL: https://github.com/apache/geode/pull/5336#issuecomment-653080336
Thanks for the 👍 @mkevo!
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> View has old locator version number after rolling upgrade
> ---------------------------------------------------------
>
> Key: GEODE-8240
> URL: https://issues.apache.org/jira/browse/GEODE-8240
> Project: Geode
> Issue Type: Bug
> Components: client/server, membership
> Reporter: Ernest Burghardt
> Assignee: Bill Burcham
> Priority: Major
>
> as shown in [https://github.com/apache/geode/pull/5224]
> locator upgrade from version 1.12.0 doesn't seem to occur
> {{testRollServersOnPartitionedRegion_dataserializable}} failure results:
> Expecting:
> <"Member Count : 3
> Name | Id
> ---- |
> -------------------------------------------------------------------------------
> vm2 | 127.0.0.1(vm2:35019:locator)<ec><v17>:41000(version:GEODE 1.12.0)
> [Coordinator]
> vm0 | 10.0.0.111(vm0:35025)<v27>:41001
> vm1 | 10.0.0.111(vm1:35030)<v29>:41002
> ">
> not to contain:
> <"1.12.0">
> This problem was introduced in 1.12.0 and is present in all lines derived
> from that one, including 9.10, 1.13, and current develop/1.14
> What's actually happening is that the locator _is_ upgraded to a newer
> version. It joins with an older coordinator (that's running e.g. 1.12.0) and
> that coordinator produces a view showing the new locator/member as running
> the same version, in this case 1.12.0, as the coordinator.
> Eventually, all locators will be upgraded. But the view carries the incorrect
> version indication.
> The root cause seems to be that when {{GMSMemberData.setVersionObject(short
> versionOrdinal)}} sees a version ordinal that is unknown, i.e. a version
> ordinal corresponding to a new line of development: 1.13, 1.14, … that method
> throws away that version ordinal and replaces it with the one for the 1.12
> line.
> Since the current {{support/1.13}} and {{develop}} branches have the bug
> upgrading a current 1.13 to 1.14 or a current development/1.14 to 1.15 would
> exhibit the same behavior (locator apparently stuck at the older version in
> the view.)
> Ramifications of this incorrect version indication in the view are TBD.
> Whether or not this situation resolves itself after _another_ round of
> restarts is TBD.
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