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https://issues.apache.org/jira/browse/CXF-6739?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colm O hEigeartaigh closed CXF-6739.
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> Reduce memory pressure in org.apache.cxf.attachment.AttachmentDeserializer
> --------------------------------------------------------------------------
>
> Key: CXF-6739
> URL: https://issues.apache.org/jira/browse/CXF-6739
> Project: CXF
> Issue Type: Improvement
> Components: Core
> Affects Versions: 3.0.0-milestone1
> Reporter: Alessio Soldano
> Assignee: Alessio Soldano
> Fix For: 3.1.5, 3.2.0
>
>
> Back in 2013, the api (now core) went through a major refactoring to remove
> direct dependency to javax.mail:
> https://github.com/apache/cxf/commit/6ae8f4afe219581938c0020612212faa3e770064
> Custom code for attachment deserialization was added, but unfortunately that
> seems to be writing a lot of char[] to the memory, because of a lot of String
> instances being created for parsing the attachment inputstream into the
> headers TreeMap. The process could be optimized to avoid useless string /
> char[] copies. It also seems that the special handling of lines starting with
> spaces there is over complicated and covering a condition that can never be
> true.
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