[solr] branch branch_9x updated: SOLR-16192: Upgrade notes for ZK Injectors (#1005)

[ho...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

houston pushed a commit to branch branch_9x
in repository https://gitbox.apache.org/repos/asf/solr.git


The following commit(s) were added to refs/heads/branch_9x by this push:
     new d00a550d248 SOLR-16192: Upgrade notes for ZK Injectors (#1005)
d00a550d248 is described below

commit d00a550d24810f050526f1db205c8cacc9ed1c9a
Author: Houston Putman <ho...@apache.org>
AuthorDate: Fri Sep 16 12:05:48 2022 -0400

    SOLR-16192: Upgrade notes for ZK Injectors (#1005)
    
    (cherry picked from commit 2b81ae32bf3b08bd9ce913d7dbf6d55e2b4b269d)
---
 .../modules/upgrade-notes/pages/solr-upgrade-notes.adoc              | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/solr/solr-ref-guide/modules/upgrade-notes/pages/solr-upgrade-notes.adoc b/solr/solr-ref-guide/modules/upgrade-notes/pages/solr-upgrade-notes.adoc
index 8fc722e5eec..b370bdf6ba6 100644
--- a/solr/solr-ref-guide/modules/upgrade-notes/pages/solr-upgrade-notes.adoc
+++ b/solr/solr-ref-guide/modules/upgrade-notes/pages/solr-upgrade-notes.adoc
@@ -40,6 +40,11 @@ SolrJ is beginning to be split up.  If you use ZooKeeper coordinates to create a
 Instead, consider migrating to use of specifying a list of Solr URLs in the client's builder.
 Not only does this reduce dependencies, but it improves security by being able to limit ZooKeeper access.
 
+Zookeeper Credentials support now follows a new paradigm.
+Old classes, such as `VMParamsAllAndReadonlyDigestZkACLProvider` and `VMParamsSingleSetCredentialsDigestZkCredentialsProvider`, are deprecated but still supported until at least `10.0`.
+Users are encouraged to upgrade to the non-deprecated classes before the next major version release.
+Please refer to xref:deployment-guide:zookeeper-access-control.adoc#solr-to-zookeeper-acls-workflow[] for more information.
+
 == Upgrading to 9.0 from 8.x Releases
 
 The upgrade from 8.x to Solr 9.0 introduces several *major* changes that you should be aware of before upgrading.