Alessio Soldano created CXF-6739:
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Summary: 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
Reporter: Alessio Soldano
Assignee: Alessio Soldano
Fix For: 3.0.0
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 byte[] 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 / byte[]
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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