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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (CAMEL-10466) OOM in Dropbox component (uses ByteArrayOutputStream for get)
Date Wed, 23 Nov 2016 11:51:59 GMT


ASF GitHub Bot commented on CAMEL-10466:

GitHub user ecausarano opened a pull request:

    CAMEL-10466  - fix/dropbox oom

    See CAMEL-10466 - In a nutshell: I've changed the DropboxAPIFacade to use an OutputStreamBuilder
rather than a BAOS. All other changes are corollary to this.
    I'm still missing some questions about testing, returning empty content etc... (see discussion
in JIRA)

You can merge this pull request into a Git repository by running:

    $ git pull fix/dropbox-oom

Alternatively you can review and apply these changes as the patch at:

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1298
commit 21941ae950a5f0528f336ced860ebf23f5e99b28
Author: Edoardo Causarano <>
Date:   2016-11-17T13:12:31Z

    Refactor API Facade to avoid use of ByteArrays because it causes OOM.
    Refactor DTO package members to be dumb DTOs.

commit 7bd0a7305fc0d0c70878e2dd464ec6898621780b
Author: Edoardo Causarano <>
Date:   2016-11-17T13:31:01Z

    Various tweaks and corrections suggested by IntelliJ

commit aaeaabf88deb11e25882c089ee8e4ed3a2fd7cca
Author: Edoardo Causarano <>
Date:   2016-11-18T13:50:25Z

    Fix obvious mistakes (how can I test all this without going insane?!)


> OOM in Dropbox component (uses ByteArrayOutputStream for get)
> -------------------------------------------------------------
>                 Key: CAMEL-10466
>                 URL:
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-dropbox
>    Affects Versions: 2.18.0
>            Reporter: Edoardo Causarano
>              Labels: out-of-memory
>             Fix For: 2.18.2, 2.19.0
> Using the Dropbox component to download files will consume large amounts of memory, often
producing OOMs.
> This is due to the use of ByteArrayOutputStream objects in the implementation of org.apache.camel.component.dropbox.core.DropboxAPIFacade
> The component should use instead.

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