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https://issues.apache.org/jira/browse/ARTEMIS-2347?focusedWorklogId=246119&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-246119
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ASF GitHub Bot logged work on ARTEMIS-2347:
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Author: ASF GitHub Bot
Created on: 21/May/19 15:23
Start Date: 21/May/19 15:23
Worklog Time Spent: 10m
Work Description: franz1981 commented on pull request #2675: ARTEMIS-2347
JournalStorageManager::stopReplication can deadlock while stopping
URL: https://github.com/apache/activemq-artemis/pull/2675
AbstractJournalStorageManager::performCachedLargeMessageDeletes
must enforce acquisition of manager write lock (as documented)
to avoid unlucky racing calls of stopReplication while stopping
to deadlock.
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Issue Time Tracking
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Worklog Id: (was: 246119)
Time Spent: 10m
Remaining Estimate: 0h
> JournalStorageManager::stopReplication can deadlock while stopping
> ------------------------------------------------------------------
>
> Key: ARTEMIS-2347
> URL: https://issues.apache.org/jira/browse/ARTEMIS-2347
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Components: Broker
> Affects Versions: 2.8.1
> Reporter: Francesco Nigro
> Priority: Major
> Fix For: 2.9.0
>
> Attachments: deadlock_stacktrace.txt
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> JournalStorageManager::stopReplication needs to:
> # acquires the manager write lock
> # acquires (if any) large message intrinsic locks during
> performCachedLargeMessageDeletes
> # acquires the manager read lock on confirmPendingLargeMessage
> JournalStorageManager::stop needs to:
> # acquires (if any) large message intrinsic locks during
> performCachedLargeMessageDeletes
> # acquires the manager read lock on confirmPendingLargeMessage
> A racing call to JournalStorageManager::stopReplication while stopping could
> deadlock
> the broker:
> # JournalStorageManager::stop acquires a large message intrinsic locks
> during performCachedLargeMessageDeletes
> # JournalStorageManager::stopReplication acquires the manager write lock
> # JournalStorageManager::stop wait is blocked on the manager write lock
> before releasing the lock on large message
> # JournalStorageManager::stopReplication is blocked on the large message
> intrinsic lock before releasing the manager write lock
> # deadlock occurred: none can proceed
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