[jira] [Updated] (IGNITE-12646) When DEBUG mode is enabled GridToStringBuilder may throw java.util.ConcurrentModificationException

["Aleksey Plekhanov (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-12646?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aleksey Plekhanov updated IGNITE-12646:
---------------------------------------
    Fix Version/s:     (was: 2.9)
                   2.10

> When DEBUG mode is enabled GridToStringBuilder may throw java.util.ConcurrentModificationException
> --------------------------------------------------------------------------------------------------
>
>                 Key: IGNITE-12646
>                 URL: https://issues.apache.org/jira/browse/IGNITE-12646
>             Project: Ignite
>          Issue Type: Bug
>            Reporter: Sergey Chugunov
>            Assignee: Sergey Chugunov
>            Priority: Major
>             Fix For: 2.10
>
>
> With DEBUG enabled many components like CommunicationSPI start to log much larger chunks of information e.g. communication messages are logged as is.
> When big enough message with non-thread safe collection inside is logged by communication thread it is possible that some other thread started processing the same message. If processing involves modifying of the collection communication thread will get ConcurrentModificationException when in the middle of iterating over it.
> GridToStringBuilder should be safe from throwing this exception and (optionally) any type of RuntimeException.



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