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Cannot compile lessc2java from sources in an easy way, when Maven is not available. Sometimes, machine has a predefined set of software which includes only Ant.

LessCSS v1.2.1 has been released. Test the task with that version, adapt it if necessary and release a new version of the Ant task that works well with it and documents compatibility.

There are issues with whitespace and tab that cause unit tests to fail

OS: Windows 7 x64
Node.js: 0.6.10
Lessc: 1.2.1 (LESS Compiler) [JavaScript]

When compiling .LESS files with the Ant task the following output is shown:

[lesscss] INFO Running command "lessc" with argument(s): ""-v"".
[lesscss] INFO Failed to determine command version.

Afterwards, no files get transformed to CSS.

Snippet from the buid.xml, used by Ant:

<taskdef name="lesscss" classname="org.znerd.lessc2java.ant.LesscTask">
<classpath>
<pathelement path="${libsdir}/ant/ant.jar"/>
<pathelement path="${libsdir}/commons/commons-exec.jar"/>
<pathelement path="${libsdir}/maven/maven-plugin-api.jar"/>
<pathelement path="${libsdir}/znerd/lessc2java-ant-task.jar"/>
<pathelement path="${libsdir}/znerd/lessc2java-core.jar"/>
<pathelement path="${libsdir}/znerd/znerd-util.jar"/>
</classpath>
</taskdef>

<lesscss dir="${sourcedir}/stylesheets" todir="${destinationdir}/stylesheets"/>

Note, lessc2java-ant-task.jar, lessc2java-core.jar, znerd-util.jar were compiled manually by adding the sources to a Java project in Eclipse, satisfying the dependencies and exporting the relevant packages as above three JAR archives.

Hi, I trying to use latest version of ant task and it doesn't work.
I cloned you repo & builded jars with maven

when running ant -d I see:

Apache Ant version 1.8.1 compiled on October 13 2010
Trying the default build file: build.xml
Buildfile: /d/tmp/less/test/build.xml
Adding reference: ant.PropertyHelper
Detected Java version: 1.6 in: /usr/lib/jvm/java-6-sun-1.6.0.26/jre
Detected OS: Linux
Adding reference: ant.ComponentHelper
Setting ro project property: ant.file -> /d/tmp/less/test/build.xml
Setting ro project property: ant.file.type -> file
Adding reference: ant.projectHelper
Adding reference: ant.parsing.context
Adding reference: ant.targets
parsing buildfile /d/tmp/less/test/build.xml with URI = file:/d/tmp/less/test/build.xml
Setting ro project property: ant.project.name -> testless
Adding reference: testless
Setting ro project property: ant.project.default-target -> build
Setting ro project property: ant.file.testless -> /d/tmp/less/test/build.xml
Setting ro project property: ant.file.type.testless -> file
Project base dir set to: /d/tmp/less/test
+Target:
+Target: build
Adding reference: ant.LocalProperties
parsing buildfile jar:file:/usr/share/ant/lib/ant.jar!/org/apache/tools/ant/antlib.xml with URI = jar:file:/usr/share/ant/lib/ant.jar!/org/apache/tools/ant/antlib.xml from a zip file
Finding class org.znerd.lesscss.ant.LesscTask

BUILD FAILED
/d/tmp/less/test/build.xml:3: taskdef class org.znerd.lesscss.ant.LesscTask cannot be found
using the classloader AntClassLoader[/home/ekho/.m2/repository/org/znerd/lessc2java-ant-task/0.11-SNAPSHOT/lessc2java-ant-task-0.11-SNAPSHOT.jar:/home/ekho/.m2/repository/org/znerd/lessc2java-core/0.11-SNAPSHOT/lessc2java-core-0.11-SNAPSHOT.jar]
at org.apache.tools.ant.taskdefs.Definer.addDefinition(Definer.java:622)
at org.apache.tools.ant.taskdefs.Definer.execute(Definer.java:239)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:390)
at org.apache.tools.ant.helper.ProjectHelper2.parse(ProjectHelper2.java:179)
at org.apache.tools.ant.ProjectHelper.configureProject(ProjectHelper.java:82)
at org.apache.tools.ant.Main.runBuild(Main.java:786)
at org.apache.tools.ant.Main.startAnt(Main.java:218)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)
Caused by: java.lang.ClassNotFoundException: org.znerd.lesscss.ant.LesscTask
at org.apache.tools.ant.AntClassLoader.findClassInComponents(AntClassLoader.java:1361)
at org.apache.tools.ant.AntClassLoader.findClass(AntClassLoader.java:1311)
at org.apache.tools.ant.AntClassLoader.loadClass(AntClassLoader.java:1064)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:247)
at org.apache.tools.ant.taskdefs.Definer.addDefinition(Definer.java:594)
... 15 more

Total time: 0 seconds

build.xml :

<?xml version="1.0"?>
<project name="testless" default="build">
    <taskdef name="lesscss" classname="org.znerd.lesscss.ant.LesscTask">
        <classpath>
            <pathelement location="/home/ekho/.m2/repository/org/znerd/lessc2java-ant-task/0.11-SNAPSHOT/lessc2java-ant-task-0.11-SNAPSHOT.jar"/>
            <pathelement location="/home/ekho/.m2/repository/org/znerd/lessc2java-core/0.11-SNAPSHOT/lessc2java-core-0.11-SNAPSHOT.jar"/>
        </classpath>
    </taskdef>
    <target name="build">
        <lesscss dir="./css" todir="./css" command="lessc" />
    </target>
</project>

As default, when using the task, original less files' directory structure is flatten. According to the short documentation, there is no option to preserve the original directory structure when converting files in a directory from less to css.

Currently, in v0.2, the 'includes' parameter does not work. Whatever it is set to, it acts as if it is set to "*.less".