[jira] [Updated] (OAK-6314) ActiveDeletedBlobCollectorTest.multiThreadedCommits is failing intermittently for a few users

["Thomas Mueller (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OAK-6314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Mueller updated OAK-6314:
--------------------------------
    Attachment: test.zip

Attaching test.zip with patches and log output of a failed test.

About the message "Couldn't read last checked blob timestamp", I made some changes because:
* The IOException was not logged, which I think is bad because if it's some weird IOException, we would have no way to get it (permission problem or so). Just with debug level right now.
* I would avoid IOException if possible, so I added a check for file existence.

I also added a test loop (multiThreadedCommitsLoop), possibly you can reproduce it that way. Disabled right now.

For me it fails in roughly 50% of the cases.

> ActiveDeletedBlobCollectorTest.multiThreadedCommits is failing intermittently for a few users
> ---------------------------------------------------------------------------------------------
>
>                 Key: OAK-6314
>                 URL: https://issues.apache.org/jira/browse/OAK-6314
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>          Components: lucene
>    Affects Versions: 1.7.1
>            Reporter: Vikas Saurabh
>            Assignee: Vikas Saurabh
>            Priority: Minor
>             Fix For: 1.8, 1.7.2
>
>         Attachments: test.zip
>
>
> As mentioned in oak-1.7.1 vote thread \[0], ActiveDeletedBlobCollectorTest.multiThreadedCommits is failing intermittently.
> /cc [~tmueller], [~alex.parvulescu], 
> \[0]: https://lists.apache.org/thread.html/5b0493c8ccf0dff486a14564d88ccf2baedc84922507ad7a39b07122@%3Coak-dev.jackrabbit.apache.org%3E



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