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From "Abel Salgado Romero (JIRA)" <>
Subject [jira] [Commented] (CXF-6219) Handling concurrent Base64 files causes memory overflow
Date Tue, 04 Apr 2017 19:57:41 GMT


Abel Salgado Romero commented on CXF-6219:

No problem at all. Luckily not many people uses B64 nowadays and the alternatives work perfectly.

> Handling concurrent Base64 files causes memory overflow
> -------------------------------------------------------
>                 Key: CXF-6219
>                 URL:
>             Project: CXF
>          Issue Type: Improvement
>          Components: Soap Binding, WS-* Components
>    Affects Versions: 2.7.4
>         Environment: Production
>            Reporter: Abel Salgado Romero
>              Labels: documentation
>             Fix For: Invalid
> In a previous issue ( we were advised
to update CXF version to avoid OOM errors.
> We did so (to 2.74) and the problem was fixed, we also applied a size limit of 20MB using
the `org.apache.cxf.stax.maxTextLength` property.
> However, the memory consumption in the server is extremely higher than the actual data
sent, having 1GB of Heap we get OOM sending just 6 concurrent requests of 20 MB.
> Reviewing some documents and other JIRA issues, we understand that Base64 is not optimized
and not recomended. Can you confirm if this is the case or if there is a way to optimize how
Base64 attachments are processed.
> Otoh, MTOM works like a charm ;)

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