Problema na criacao de icones no linux com IzPack

Bom dia a todos.

Ontem a noite estive estudando o IzPack e achei muito simples e interessante, porem, nao estou conseguindo faze-lo criar os icones corretamente no Debian Lenny (stable)

Meus arquivos estao assim:

Arquivo: install.xml

<?xml version="1.0" encoding="iso-8859-1" standalone="yes" ?>

<installation version="1.0">

    <info>
        <appname>UltraClient</appname>
        <appversion>0.0.1</appversion>
        <uninstaller name="remove.task" write="yes"/>
        <authors>
            <author email="kemper@omegacodigos.com.br" name="Kemper Carlos"/>
        </authors>
        <url>http://www.omegacodigos.com.br/</url>
        <javaversion>1.6</javaversion>
        <requiresjdk>no</requiresjdk>
        <!--><pack200/>-->
        <run-privileged condition="izpack.windowsinstall.vista|izpack.windowsinstall.7"/>
        <summarylogfilepath>$INSTALL_PATH/installinfo/Summary.htm</summarylogfilepath>
    </info>

    <variables>
        <variable name="DesktopShortcutCheckboxEnabled" value="true"/>
        <variable name="ApplicationShortcutPath" value="ApplicationShortcuts"/>
    </variables>

    <guiprefs width="600" height="400" resizable="no">

        <modifier key="useHeadingPanel" value="yes"/>

        <modifier key="useHeadingForSummary" value="yes"/>
        <modifier key="headingImageOnLeft" value="yes"/>
        <modifier key="headingLineCount" value="2"/>
        <modifier key="headingFontSize" value="1.5"/>
        <modifier key="headingBackgroundColor" value="0x00ffffff"/>
        <modifier key="headingPanelCounter" value="text"/>
        <modifier key="headingPanelCounterPos" value="inHeading"/>
    </guiprefs>

    <locale>
        <langpack iso3="por"/>
    </locale>

    <resources>
        <res src="ultraClient/extras/Unix_shortcutSpec.xml" id="Unix_shortcutSpec.xml "/>
        <res src="ultraClient/extras/shortcutSpec.xml" id="shortcutSpec.xml"/>
    </resources>

    <panels>
        <panel classname="HelloPanel"/>
        <panel classname="TargetPanel"/>
        <panel classname="InstallPanel"/>
        <panel classname="ShortcutPanel"/>
        <panel classname="SimpleFinishPanel"/>
    </panels>

    <listeners>
        <listener installer="SummaryLoggerInstallerListener">
            <os family="windows"/>
        </listener>
    </listeners>

    <packs>
        <pack name="Ultra Client" required="yes" installGroups="Ultra Client" >
            <description>Utilitario para conexao com o sistema Ultra.</description>
            <file src="ultraClient/dist/ultraClient.jar" targetdir="$INSTALL_PATH"/>
            <file src="ultraClient/dist/lib/ultraBase.jar" targetdir="$INSTALL_PATH/lib"/>
            <file src="ultraClient/extras/ultraClientIcon.ico" targetdir="$INSTALL_PATH/icons"/>
        </pack>
    </packs>

          <!-- The native libraries to add. This is required for creating shortcuts on Windows -->
    <native type="izpack" name="ShellLink.dll"/>

</installation>

Arquivo: shortcutSpec.xml

<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>

<shortcuts>
    <skipIfNotSupported/>
    <programGroup defaultName="Omega Codigos"
            location="applications"/>
    <shortcut
        name="Ultra Client"
        target="$INSTALL_PATH\ultraClient.jar"
        description="Inicia o Ultra Client"
        workingDirectory="$INSTALL_PATH"
        iconFile="$INSTALL_PATH\icons\ultraClientIcon.ico"
        initialState="normal"
        programGroup="yes"
        desktop="yes"
        applications="no"
        startMenu="no"
        startup="no">

        <createForPack name="Ultra Client"/>
    </shortcut>
</shortcuts>

Arquivo: Unix_shortcutSpec.xml

<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>

<shortcuts>

    <programGroup defaultName="Omega Codigos" location="applications"/>

    <shortcut
            name="Ultra Client"
            type="Application"
            encoding="UTF-8"
            programGroup="yes"
            desktop="yes"
            applications="no"
            startMenu="no"
            startup="no"
            target="java -jar "$INSTALL_PATH/ultraClient.jar""
            commandLine=""

            initialState="noShow"
            iconFile="$INSTALL_PATH/icons/ultraClientIcon.png"
            iconIndex="0"
            workingDirectory="$INSTALL_PATH"

            KdeSubstUID="true"
            KdeUsername="root"
            createForAll="false"

            Categories="Application;Internet"

            description="Executar o Ultra Client">

        <createForPack name="Ultra Client"/>
    </shortcut>


</shortcuts>

Testei no Windows XP e o icone foi criado normalmente, e esta funcionando.

No linux que esta ocorrendo uma coisa muito estranha, ele esta criando as entradas .desktop normalmente no meu home (pois estou instalando como usuario normal) em

~/.local/share/applications

Mas esta muito estranho o arquivo gerado. Vejam:

[Desktop Entry]
Categories=
Comment=Inicia o Ultra Client
Comment[pt]=Inicia o Ultra Client
Encoding=
Exec=/home/kemper/UltraClient/ultraClient.jar
GenericName=
GenericName[pt]=
Icon=/home/kemper/UltraClient/icons/ultraClientIcon.ico
MimeType=
Name=Ultra Client
Name[pt]=Ultra Client
Path=/home/kemper/UltraClient
ServiceTypes=
SwallowExec=
SwallowTitle=
Terminal=
TerminalOptions=
Type=
URL=
X-KDE-SubstituteUID=false
X-KDE-Username=root

# created by com.izforge.izpack.util.os.Unix_Shortcut $Revision: 2452 $
# $Id: Unix_Shortcut.java 2452 2008-12-16 10:08:10Z eppelman $

Vejam que os campos Encoding e Type estao em branco, se eu abro o arquivo no vi e arrumo Encoding=UTF-8 e Type=Application o icone ja aparece imediatamente no menu. Mesma coisa occorre com o icone colocado no desktop, fica faltando estes dois campos.

Alem disso, vejam que ele colocou: Icon=/home/kemper/UltraClient/icons/ultraClientIcon.ico e no meu arquivo Unix_ShortcutSpec.xml eu usei um arquivo .png.

Sera que isso é um bug por ser debian 5 e ele nao esta conseguindo detectar corretamente a versao do sistema operacional?

Se alguem que esteja utilizando um linux que nao seja o debian 5 quiser testar, por favor baixe o instalador e veja se ele cria corretamente os icones:

http://hudson.omegacodigos.com.br/ultraClientInstall.jar

Obrigado a todos.

Fiz teste no debian etch, tambem criou errado os icones.