Sean,

http://jira.codehaus.org/browse/XSTR-636 and
http://jira.codehaus.org/browse/XSTR-635 fixed concurrency issues for
FieldDictionary, are you sure you're using the latest XStream release
???

- Paul

On Mon, Sep 3, 2012 at 7:13 PM, Shravan Kumar <[email protected]> wrote:
> Hi,
>         I am using XStream as part of my application for serializing
> classes. For one of the use cases, I have to serialize some of the classes
> implementing Externalizable interface. For my use case I would like to
> serialize them using native Java serialization. I found a link on the
> internet,
> http://old.nabble.com/How-to-remove-Externalizable-Converter-td22747484.html,
> which helped me address this issue and started using Reflection Converter
> for my Externalizable classes.
>
> When testing the application, I am seeing that the application is spending
> lot of time in converter code during highly concurrent access. I can see
> that the problem is in the buildMap method of FieldDictionary,
> http://svn.codehaus.org/xstream/trunk/xstream/src/java/com/thoughtworks/xstream/converters/reflection/FieldDictionary.java
>
> I was wondering if there is a better way to address my original issue? Is
> the performance for Reflection Converter expected to be bad when having
> highly concurrent environment?
>
> I really appreciate any help/advice regarding this. Thanks for the help
>
> Regards
> Shravan (Sean) Pabba

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