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Fix ambiguity when extracting auxiliary ZooKeeper name #30822

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Oct 29, 2021
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  • Bug Fix (user-visible misbehaviour in official stable or prestable release)

Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):
Fixed ambiguity when extracting auxiliary ZooKeeper name from ZooKeeper path in ReplicatedMergeTree. Previously server might fail to start with Unknown auxiliary ZooKeeper name if ZooKeeper path contains a colon. Fixes #29052. Also it was allowed to specify ZooKeeper path that does not start with slash, but now it's deprecated and creation of new tables with such path is not allowed. Slashes and colons in auxiliary ZooKeeper names are not allowed too.

@robot-clickhouse robot-clickhouse added the pr-bugfix Pull request with bugfix, not backported by default label Oct 28, 2021
@alexey-milovidov alexey-milovidov self-assigned this Oct 28, 2021
@tavplubix tavplubix merged commit f50b2b6 into master Oct 29, 2021
@tavplubix tavplubix deleted the fix_29052 branch October 29, 2021 09:15
robot-clickhouse pushed a commit that referenced this pull request Oct 29, 2021
robot-clickhouse pushed a commit that referenced this pull request Oct 29, 2021
robot-clickhouse pushed a commit that referenced this pull request Oct 29, 2021
alexey-milovidov added a commit that referenced this pull request Oct 31, 2021
Backport #30822 to 21.10: Fix ambiguity when extracting auxiliary ZooKeeper name
alexey-milovidov added a commit that referenced this pull request Oct 31, 2021
Backport #30822 to 21.9: Fix ambiguity when extracting auxiliary ZooKeeper name
tavplubix added a commit that referenced this pull request Nov 2, 2021
Backport #30822 to 21.8: Fix ambiguity when extracting auxiliary ZooKeeper name
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Upgrade to 21.8 LTS fails with: Unknown auxiliary ZooKeeper name
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