Re: ANT - Checkstyle with custom check

This is the "classic" classpath issue. Be sure that you do not have
Checkstyle anywhere else in your classpath. Look in $ANT_HOME/lib.

Also test using the declaration:

<taskdef resource="checkstyletask.properties">
        <classpath>
                <pathelement location="lib/Defcon1Checks.jar"/>
        </classpath>
</taskdef>

If this gives the same results, it means that you have another version of
Checkstyle in your classpath.

Running ANT with the "-debug" flag can show where it is being found.

On Fri, Sep 5, 2008 at 01:32, Bhavana <[email protected]> wrote:

> I had a similar issue for some time. The target would work only on my
> machine.
>
> I had to fix and try out some of the following to get my target to work:
>
> Adding the custom checkstyle jar to java's extensions java\lib\ext
> Using ant 1.7
> Making sure there isn't some other jar for checkstyle library being used
> from some other location
>
> Thanks
>
> Bhavana
>
>
> On Thu, Sep 4, 2008 at 8:22 AM, Thomas Suckow <[email protected]> wrote:
>
>> I started using checkstyle with ant about a week ago. It went smooth.
>> Trying to add custom checks is kicking my butt.
>>
>> I have a check TabOnlyForIndent extends Check
>> in package org.hopto.defcon1.checks;
>> I packaged as a jar from eclipse, it has an empty manifest (besides
>> version).
>>
>> in ant i load checkstyle and put my jar in the classpath:
>> <taskdef resource="checkstyletask.properties">
>>        <classpath>
>>                <pathelement
>> location="lib/checkstyle-5.0-beta01/checkstyle-all-5.0-beta01.jar"/>
>>                <pathelement location="lib/Defcon1Checks.jar"/>
>>        </classpath>
>> </taskdef>
>>
>> I add my check to the config
>>
>>  <!-- <module name="TabCharacter"/> Viva La \t -->
>>  <module name="org.hopto.defcon1.checks.TabOnlyForIndent"/>
>>  <module name="WhitespaceAfter"/>
>>
>> Have my checkstyle target in ant
>>
>> <target name="checkstyle" depends="compile"
>>  description="Checks that we are using consistant well formed style.">
>>        <checkstyle config="config_checkstyle.xml" failOnViolation="false">
>>                <fileset dir="src" includes="**/*.java"/>
>>                <formatter type="xml" toFile="checkstyle-result.xml"/>
>>        </checkstyle>
>> </target>
>>
>> And kaboom:
>> Unable to create a Checker: cannot initialize module TreeWalker -
>> Unable to instantiate org.hopto.defcon1.checks.TabOnlyForIndent
>>
>> I've tried compiling my check under java 6 and specifying target 1.4
>> Tryed various ways of including in classpath
>>
>> Ideas, Thoughts, Recommendations?
>>
>> Thomas Suckow
>>
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>
>
>
> --
> Bhavana Rehani
>
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>

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