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From Giacomo Pati <giac...@apache.org>
Subject Re: Unbelievable stack trace
Date Sat, 14 Jan 2006 10:45:13 GMT
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On Sat, 14 Jan 2006, Ralph Goers wrote:

> Date: Sat, 14 Jan 2006 01:42:58 -0800
> From: Ralph Goers <Ralph.Goers@dslextreme.com>
> Reply-To: dev@cocoon.apache.org, rgoers@apache.org
> To: dev@cocoon.apache.org
> Subject: Re: Unbelievable stack trace
> 
> FWIW, I found a regexp benchmark at 
> http://tusker.org/regex/regex_benchmark.html
>
> The times I got on my laptop were
> org.apache.regexp.*                             14078
> java.util.regex.Pattern                                656
> jregex.Pattern                                         1000 
> org.apache.org.text.regex.Perl5Matcher  1891

Wow, is o.a.regexp that slow? Should we move to java.util.regex 
for 2.2?

>
> Ralph
>
>
> Ralph Goers wrote:
>
>>  I found this bug report for regexp with many duplicates. Apparently it is
>>  pretty popular. I guess Vadim is aware of this. :-)      The bug is closed
>>  as WONTFIX.
>>
>>  http://issues.apache.org/bugzilla/show_bug.cgi?id=764
>>
>>  Ralph Goers wrote:
>> 
>> >  I cannot believe this didn't get a stack overflow exception. We just 
>> >  happened to request a stack trace of a test system at this time.
>> > 
>> >  I also find myself wondering if EncodeURLTransformer shouldn't be 
>> >  changed somehow.
>> > 
>> >  "http-8088-Processor20" daemon prio=1 tid=0x8a3b8408 nid=0xf55 runnable 
>> >  [8ad00000..8ad0f8c8]
>> >     at org.apache.regexp.RE.matchNodes(Unknown Source)
>> >     at org.apache.regexp.RE.matchNodes(Unknown Source)
>> > 
>> 
>> 
>
>

- -- 
Giacomo Pati
Otego AG, Switzerland - http://www.otego.com
Orixo, the XML business alliance - http://www.orixo.com
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