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From: Amit Agarwal <ami.aga@gmail.com>
Date: Sun, 11 Apr 2010 20:47:37 +0530
Message-ID: <r2ia84ecebb1004110817q52e4e8b6xe6cd1b770a1a1bf1@mail.gmail.com>
Subject: Re: Tomcat startup error
To: Tomcat Users List <users@tomcat.apache.org>
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Thanks all -- I could resolve this after compiling with the latest jars.

On Sun, Apr 11, 2010 at 3:03 AM, Bill Barker <billwbarker@verizon.net>wrote:

>
>
> "Christopher Schultz" <chris@christopherschultz.net> wrote in message
> news:4BBF945E.4050708@christopherschultz.net...
>
>  -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>>
>> Harry,
>>
>> On 4/9/2010 2:01 PM, Harry Metske wrote:
>>
>>> you are using some piece of software (com.mypkg.packaging.*) that is
>>> calling
>>> tomcat code.
>>> It expects to find a method in org.apache.tomcat.util.IntrospectionUtils
>>> that is no longer there in 6.0.26, which causes the NoSuchMethodError.
>>> Basically your embedder does not support this version of Tomcat, you
>>> should
>>> contact the vendor, they should do the recompile .
>>>
>>
>> It's interesting that the Java Runtime throws a NoSuchMethodError since
>> the return type is not technically part of the method signature. I've
>> never considered this before, and it totally makes sense because the
>> return type really is an important part of the method. Just interesting
>> to note that the effective method signature is not the same as the
>> official one.
>>
>> Another thing to note is that the Tomcat folks have made an unstable
>> change, here, by changing a public API. It would have been better to
>> create a method with a new signature and deprecated the old one, while
>> leaving it there.
>>
>>
> The Tomcat developers have always considered this to be part of the
> internal API, not the public API.  This is true of most of the classes under
> the org.apache.tomcat package.
>
>
>  - -chris
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-- 
Be Happy. Always.

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