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On 02/10/2012 21:37, Christopher Schultz wrote:
> Konstantin,
>
> On 10/2/12 3:58 PM, Konstantin Kolinko wrote:
>> 2012/10/2 Christopher Schultz <[email protected]>:
>>> Konstantin,
>>>
>>> On 10/2/12 2:32 PM, Konstantin Kolinko wrote:
>>>> Running current trunk + Nio connector + JDK 7u7, I see a lot
>>>> of the following exceptions.
>>>>
>>>> It looks like there is some bug in AccessLogValve
>>>> optimization when StringBuilder was replaced with a
>>>> CharBuffer.
>>>>
>>>> A CharBuffer cannot grow itself?
My bad. I'll fix that.
>>> The API does not seem to say anything about re-sizing
>>> CharBuffers.
>>>
>>
>> The CharArrayWriter class can be a replacement here.
>>
>> It grows itself. It is reusable with CharArrayWriter.reset(). It
>> can write its buffer without creating a copy with
>> CharArrayWriter.writeTo(Writer).
>
> Sounds ideal.
+1.
> One thing I might consider is whether it can *shrink* at some
> point. I can imagine some relatively rare use case where someone
> uses ${xxx}r or %{xxx}s and the resulting string ends up being
> huge. Then the AccessLogValve has this huge buffer that is not
> necessary.
>
> I'm just thinking about JSP caches, etc. that are often referenced
> taking up large amounts of heap space because they never shrink.
There is a limit (set at 256 characters) and if the buffer is above
this size it gets thrown away rather than recycled.
Mark
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