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https://issues.apache.org/jira/browse/GEODE-8996?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17294279#comment-17294279
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ASF GitHub Bot commented on GEODE-8996:
---------------------------------------
nabarunnag opened a new pull request #6080:
URL: https://github.com/apache/geode/pull/6080
* Moved new child RebalanceFunction and CacheRealizationFunction to pre
1.12.0 locations.
* While talking to pre-1.12.0 servers, the locators send the function
from the old package.
* While talking to 1.12.0 server, the new package function is used.
* For RebalanceFunction and CacheRealizationFunction the serialVersionUID
is set to the one create by 1.11.0 for old package location and
serialVersionUID created by 1.12.0 for the later.
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> Rebalance GFSH commands and restore redundancy commands were not backward
> compatible
> ------------------------------------------------------------------------------------
>
> Key: GEODE-8996
> URL: https://issues.apache.org/jira/browse/GEODE-8996
> Project: Geode
> Issue Type: Bug
> Components: gfsh, rest (admin)
> Reporter: Nabarun Nag
> Assignee: Nabarun Nag
> Priority: Major
>
> Issue:
> * Rebalance command when executed with 1.12.0+ locator and older servers,
> the command failed
> * This was because the Rebalance function moved to a new package
> * Similar problem with REST calls because of moving CacheRealizationFunction
> to a new package
> * There was another problem where Serializable classes with UIDs were
> changed in couple of releases
> * The variation of the UIDs caused deserialization issues when REST commands
> were executed from new locators and old servers.
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