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From Jason Novotny <novo...@aei.mpg.de>
Subject Re: detecting tomcat 5.5
Date Wed, 04 May 2005 00:14:43 GMT

    Yeah-- it was even lamer than that. I also had to add jmx.jar from 
bin/ to classpath since that was involved in the Valve dependency from 
catalina.jar....

    Thanks, Jason

Tim Funk wrote:

> It looks like the <available> task tries to load the class in a new 
> classloader. Of course - doing so loads all it's super classes too - 
> so you'd need to also add catalina.jar to your classpath for the 
> <available> task.
>
> -Tim
>
> Jason Novotny wrote:
>
>>
>> Thanks Tim,
>>
>>    That is exactly what I was looking for, but I still can't get it 
>> to work, and it seems that the <available> task is somewhat broken. 
>> Instead of just checking if the class is contained in the jar it also 
>> tries to resolve all of its dependencies, so this is what I get when 
>> using ant -d:
>>
>>  >>>>>
>> Finding class org.apache.catalina.valves.FastCommonAccessLogValve
>> Loaded from 
>> /Users/novotny/Jakarta/jakarta-tomcat-5.5.9/server/lib/catalina-optional.jar 
>> org/apache/catalina/valves/FastCommonAccessLogValve.class
>> Finding class org.apache.catalina.valves.ValveBase
>> [available] Could not load dependent class 
>> "org/apache/catalina/valves/ValveBase" for class 
>> "org.apache.catalina.valves.FastCommonAccessLogValve"
>> [available] Unable to load class 
>> org.apache.catalina.valves.FastCommonAccessLogValve
>>  >>>>>>
>>
>>    I can't see any flags that would tell it to not check for 
>> dependencies..
>>
>>    Jason
>>
>>
>>
>> Tim Funk wrote:
>>
>>> <available 
>>> classname="org.apache.catalina.valves.FastCommonAccessLogValve"
>>>            
>>> classpath="${appserver.home}/server/lib/catalina-optional.jar"
>>>            property="is55"/>
>>>
>>> -Tim
>>>
>>> Jason Novotny wrote:
>>>
>>>>
>>>>    Thanks-- unfortunately by default (at least on Unix) that file 
>>>> is not executable so it wouldn't even execute by default.
>>>>
>>>>    Has anyone actually created an ant task or can give me some ant 
>>>> logic for doing Tomcat version detection for 5.5? Here's a snippet 
>>>> that worked for Tomcat 4 and Tomcat 5.0.X that was fairly easy:
>>>>
>>>> <if>
>>>>            <available file="${appserver.home}/conf/Catalina" 
>>>> type="dir" prope
>>>> rty="tomcat5"/>
>>>>            <then>
>>>>                <echo message="Detected Tomcat 5"/>
>>>>            </then>
>>>>            <else>
>>>>                <echo message="Detected Tomcat 4"/>
>>>>            </else>
>>>>        </if>
>>>>
>>>>    Thanks, Jason
>>>>
>>>> Jason Bainbridge wrote:
>>>>
>>>>> On 5/3/05, Jason Novotny <novotny@aei.mpg.de> wrote:
>>>>>  
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>>    I'm trying to update my build script to do some conditional 
>>>>>> checking
>>>>>> to see if I'm deploying my code to Tomcat 5.5 or using an older 
>>>>>> version.
>>>>>> Is there something (like a particular file or directory) I can check
>>>>>> reliably that would indicate that I'm using 5.5 versus an older 
>>>>>> version?
>>>>>>   
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> Look at %CATALINA_HOME%\bin\version.bat or version.sh depending on
>>>>> whether you are on Windows or *nix, if you're on Windows and don't
>>>>> have version.bat then you need to download the zipped distribution 
>>>>> and
>>>>> now thw windows installer.
>>>>>
>>>>> Regards,
>>>>>  
>>>>>
>>>>
>>>>
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>>>>
>>>
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>>>
>>
>>
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>>
>
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