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Bug
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Resolution: Fixed
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High
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None
NOTE: This bug report is for Confluence Cloud. Using Confluence Server? See the corresponding bug report.
Related
https://jira.atlassian.com/browse/CONF-24883 (similar issue)
https://jira.atlassian.com/browse/CONF-34870 (slow page move increases window of deadlock)
Suggested fix(es)
- Have single (cluster wide) queue for page move operation
- Hold (cluster) composite lock (parentID:childId), or do two locks in natural ordering (parentId -< childId).
Side effect of this bug
- Page Tree cycling eternally and causes OOM in under few minutes.
- breadcrumbs hits stackoverflow
- other plugins (indexing?) are not guaranteed to handle cyclic graphs in confluence.
Symptoms:
nginx:
172.24.12.144 - - [23/Sep/2014:01:40:43 +0000] "GET /pages/movepage.action?pageId=2302876189&position=append&targetId=2298943959&atl_token=1a8fab263d4644b9373a3453c9bceea99fdd9166&_=1411436432399 HTTP/1.0" 200 271 "https://extranet.atlassian.com/pages/reorderpages.action?key=ST" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:32.0) Gecko/20100101 Firefox/32.0" 172.24.12.144 - - [23/Sep/2014:01:40:44 +0000] "GET /pages/movepage.action?pageId=2302876189&position=above&targetId=2298943959&atl_token=1a8fab263d4644b9373a3453c9bceea99fdd9166&_=1411436436617 HTTP/1.0" 200 271 "https://extranet.atlassian.com/pages/reorderpages.action?key=ST" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:32.0) Gecko/20100101 Firefox/32.0" 172.24.12.144 - - [23/Sep/2014:01:40:45 +0000] "GET /pages/movepage.action?pageId=2298943959&position=append&targetId=2302876189&atl_token=1a8fab263d4644b9373a3453c9bceea99fdd9166&_=1411436439759 HTTP/1.0" 200 265 "https://extranet.atlassian.com/pages/reorderpages.action?key=ST" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:32.0) Gecko/20100101 Firefox/32.0" 172.24.12.144 - - [23/Sep/2014:01:41:04 +0000] "GET /pages/movepage.action?pageId=2301533426&position=below&targetId=2302876189&atl_token=1a8fab263d4644b9373a3453c9bceea99fdd9166&_=1411436461303 HTTP/1.0" 200 297 "https://extranet.atlassian.com/pages/reorderpages.action?key=ST" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:32.0) Gecko/20100101 Firefox/32.0" 172.24.12.144 - - [23/Sep/2014:01:41:06 +0000] "GET /pages/movepage.action?pageId=2301533426&position=above&targetId=2298943959&atl_token=1a8fab263d4644b9373a3453c9bceea99fdd9166&_=1411436465795 HTTP/1.0" 200 297 "https://extranet.atlassian.com/pages/reorderpages.action?key=ST" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:32.0) Gecko/20100101 Firefox/32.0"
App log(full version attached):
2014-09-22 20:40:44,397 ERROR [catalina-exec-10] [sf.hibernate.util.JDBCExceptionReporter] logExceptions ERROR: deadlock detected Detail: Process 29730 waits for ShareLock on transaction 2482659; blocked by process 14749. Process 14749 waits for ShareLock on transaction 2482650; blocked by process 29730. Hint: See server log for query details.
- is related to
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- Closed
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- Closed
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- relates to
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CONFCLOUD-25188 Identify the health state of Confluence ancestor CONFANCESTORS table and rebuild it automatically
- Gathering Interest