https://bz.apache.org/bugzilla/show_bug.cgi?id=69486

--- Comment #4 from Chen Jp <ch...@msn.com> ---
For those reusable resources, when the current request processing is completed
or abnormally interrupted, if possible, intermediate data (which were serving
for current service lifecycle) purging in the resource recycle phase may very
helpful to avoiding potential data leak. 

Next request/response cycle will not able to obtains context of previous
service round.

It's a defensive pattern, need trade off but nice to have. Because there are so
many occurrences to manipulate ByteBuffer/Message/... directly, very hard to
ensure every ops is secure and exceptions are handled properly. 

Otherwise, wait for next information disclosure issue and fix them later.

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