acceleoCompiler not showing output in console output with ant - eclipse

Question

I am using acceleoCompiler inside an ant script and when i run the ant script everything shows an output except acceleoCompiler.
For instance, [javac] and [mkdir] shows up. But nothing relating to acceleoCompiler shows up. Am i doing something wrong?
The ant script:
<eclipse.refreshLocal resource="${F_FOLDER}/bin/" depth="infinite"/>
<eclipse.refreshLocal resource="${FE_FOLDER}/bin/" depth="infinite"/>
<mkdir dir="${F_OUTPUT}"/>
<mkdir dir="${FE_OUTPUT}"/>
<javac
srcdir="${F_SRC}generator/"
destdir="${FR_OUTPUT}"
executable="${JAVA_JDK}/javac"
fork="true"
includeantruntime="false"
failonerror="false"
/>
<javac
srcdir="${FE_SRC}generator/"
destdir="${FE_OUTPUT}"
executable="${JAVA_JDK}/javac"
fork="true"
includeantruntime="false"
failonerror="false"
/>
<acceleoCompiler sourceFolder="${F_SRC}"
outputFolder="${F_OUTPUT}"
dependencies=""
binaryResource="true"
packagesToRegister="org.eclipse.emf.ecore.EcorePackage">
</acceleoCompiler>
<acceleoCompiler sourceFolder="${F_SRC}"
outputFolder="${FE_OUTPUT}"
dependencies=""
binaryResource="true"
packagesToRegister="org.eclipse.emf.ecore.EcorePackage">
</acceleoCompiler>

Answer 1

The absence of logging messages doesn't mean you're doing anything wrong. If you look at the source for mkdir or javac you'll see that they call the Ant Task method log() in most cases. The Acceleo Ant task however only calls log() if it finds a problem - if all is well it is silent and enigmatic.
References:
Ant mkdir task source.
AcceleoCompiler source via the Acceleo wiki FAQ.