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https://issues.apache.org/jira/browse/GEODE-8996?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17294936#comment-17294936
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ASF GitHub Bot commented on GEODE-8996:
---------------------------------------
nabarunnag opened a new pull request #6087:
URL: https://github.com/apache/geode/pull/6087
* 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 created by 1.11.0 for old package location and
serialVersionUID created by 1.12.0 for the latter.
(cherry picked from commit 3faf283c038880755a7356fe570a4f92a46826cd)
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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
> Labels: pull-request-available
>
> 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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