[jira] [Resolved] (JAMES-3780) ExpireMailboxTask should support large number of users

["Karsten Otto (Jira)" <se...@james.apache.org>]

     [ https://issues.apache.org/jira/browse/JAMES-3780?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karsten Otto resolved JAMES-3780.
---------------------------------
    Resolution: Fixed

> ExpireMailboxTask should support large number of users
> ------------------------------------------------------
>
>                 Key: JAMES-3780
>                 URL: https://issues.apache.org/jira/browse/JAMES-3780
>             Project: James Server
>          Issue Type: Bug
>          Components: mailbox, webadmin
>    Affects Versions: master
>            Reporter: Karsten Otto
>            Priority: Major
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> Deleting old messages via the ExpireMailboxTask fails with the dreaded
> {code:java}
> java.lang.IllegalStateException: Iterating over a toIterable() / toStream() is blocking, which is not supported in thread parallel-2
> {code}
>  
> Observed on Cassandra implementation with ~400 users.
> This is caused by the user list being a BlockingIterable; for a small number of users this will not occur, but for a larger number it blocks to retrieve another "chunk" of user names.



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