Libgdx: Excepción al ejecutar el tutorial 'Un juego simple' desde wiki

Detalles del problema

Seguí todos los pasos en el tutorial 'Un juego simple' de wiki y obtuve la siguiente excepción al ejecutar Desktoplauncher.

Pasos/código de reproducción

siguió todos los pasos en el tutorial 'Un juego simple' de wiki

Versión de LibGDX y/o dependencias relevantes

Aquí está mi archivo build.gradle:

script de compilación {
repositorios {
mavenCentral()
experto {url " https://oss.sonatype.org/content/repositories/snapshots/ " }
}
dependencias {
ruta de clase 'com.android.tools. construir:gradle :2.1.0'
}
}

todos los proyectos {
aplicar complemento: "eclipse"
aplicar complemento: "idea"

version = '1.0'
ext {
    appName = "my-gdx-drop"
    gdxVersion = '1.9.2'
    roboVMVersion = '1.12.0'
    box2DLightsVersion = '1.4'
    ashleyVersion = '1.7.0'
    aiVersion = '1.8.0'
}

repositories {
    mavenCentral()
    maven { url "https://oss.sonatype.org/content/repositories/snapshots/" }
    maven { url "https://oss.sonatype.org/content/repositories/releases/" }
}

}

proyecto(":android") {
aplicar complemento: "android"

configurations { natives }

dependencies {
    compile project(":core")
    compile "com.badlogicgames.gdx:gdx-backend-android:$gdxVersion"
    natives "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-armeabi"
    natives "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-armeabi-v7a"
    natives "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-arm64-v8a"
    natives "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-x86"
    natives "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-x86_64"
    compile "com.badlogicgames.gdx:gdx-box2d:$gdxVersion"
    natives "com.badlogicgames.gdx:gdx-box2d-platform:$gdxVersion:natives-armeabi"
    natives "com.badlogicgames.gdx:gdx-box2d-platform:$gdxVersion:natives-armeabi-v7a"
    natives "com.badlogicgames.gdx:gdx-box2d-platform:$gdxVersion:natives-arm64-v8a"
    natives "com.badlogicgames.gdx:gdx-box2d-platform:$gdxVersion:natives-x86"
    natives "com.badlogicgames.gdx:gdx-box2d-platform:$gdxVersion:natives-x86_64"
    compile "com.badlogicgames.box2dlights:box2dlights:$box2DLightsVersion"
}

}

proyecto(":núcleo") {
aplicar complemento: "java"

dependencies {
    compile "com.badlogicgames.gdx:gdx:$gdxVersion"
    compile "com.badlogicgames.gdx:gdx-box2d:$gdxVersion"
    compile "com.badlogicgames.box2dlights:box2dlights:$box2DLightsVersion"
}

}

proyecto(":escritorio") {
aplicar complemento: "java"

dependencies {
    compile project(":core")
    compile "com.badlogicgames.gdx:gdx-backend-lwjgl:$gdxVersion"
    compile "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-desktop"
    compile "com.badlogicgames.gdx:gdx-box2d-platform:$gdxVersion:natives-desktop"
}

}

tareas.eclipse.doLast {
eliminar ".proyecto"
}

seguimiento de pila

//Please provide the stacktrace if applicable 

/usr/lib/jvm/java-8-oracle/bin/java -Didea.launcher.port=7532 -Didea.launcher.bin.path=/home/astrapi69/ides/androidstudios/2.0/android-studio/bin -Dfile.encoding=UTF-8 -classpath /usr/lib/jvm/java-8-oracle/jre/lib/charsets.jar:/usr/lib/jvm/java-8-oracle/jre/lib/deploy.jar:/usr/lib/jvm/java-8-oracle/jre/lib/ext/cldrdata.jar:/usr/lib/jvm/java-8-oracle/jre/lib/ext/dnsns.jar:/usr/lib/jvm/java-8-oracle/jre/lib/ext/jaccess.jar:/usr/lib/jvm/java-8-oracle/jre/lib/ext/jfxrt.jar:/usr/lib/jvm/java-8-oracle/jre/lib/ext/localedata.jar:/usr/lib/jvm/java-8-oracle/jre/lib/ext/nashorn.jar:/usr/lib/jvm/java-8-oracle/jre/lib/ext/sunec.jar:/usr/lib/jvm/java-8-oracle/jre/lib/ext/sunjce_provider.jar:/usr/lib/jvm/java-8-oracle/jre/lib/ext/sunpkcs11.jar:/usr/lib/jvm/java-8-oracle/jre/lib/ext/zipfs.jar:/usr/lib/jvm/java-8-oracle/jre/lib/javaws.jar:/usr/lib/jvm/java-8-oracle/jre/lib/jce.jar:/usr/lib/jvm/java-8-oracle/jre/lib/jfr.jar:/usr/lib/jvm/java-8-oracle/jre/lib/jfxswt.jar:/usr/lib/jvm/java-8-oracle/jre/lib/jsse.jar:/usr/lib/jvm/java-8-oracle/jre/lib/management-agent.jar:/usr/lib/jvm/java-8-oracle/jre/lib/plugin.jar:/usr/lib/jvm/java-8-oracle/jre/lib/resources.jar:/usr/lib/jvm/java-8-oracle/jre/lib/rt.jar:/home/astrapi69/wss/androidapps/my-gdx-drop/desktop/build/classes/main:/home/astrapi69/wss/androidapps/my-gdx-drop/core/build/classes/main:/home/astrapi69/.gradle/caches/modules-2/files-2.1/com.badlogicgames.gdx/gdx/1.9.2/e641cb91bec06bc64d9ddf7a7d7062caceec73cd/gdx-1.9.2.jar:/home/astrapi69/.gradle/caches/modules-2/files-2.1/com.badlogicgames.gdx/gdx-box2d/1.9.2/b78eaa90aaaf7830e6dffff587ea6e859c2787b2/gdx-box2d-1.9.2.jar:/home/astrapi69/.gradle/caches/modules-2/files-2.1/com.badlogicgames.box2dlights/box2dlights/1.4/3d77ad5b4164fb32fc67e2446e35911bb0aaf0bd/box2dlights-1.4.jar:/home/astrapi69/wss/androidapps/my-gdx-drop/core/build/libs/core-1.0.jar:/home/astrapi69/.gradle/caches/modules-2/files-2.1/com.badlogicgames.gdx/gdx-backend-lwjgl/1.9.2/d710a8704ed584ec2ba9ca52e3a6a5885dd759cc/gdx-backend-lwjgl-1.9.2.jar:/home/astrapi69/.gradle/caches/modules-2/files-2.1/com.badlogicgames.gdx/gdx-platform/1.9.2/dde4cf7e9ce61c24042f512203aed87657496639/gdx-platform-1.9.2-natives-desktop.jar:/home/astrapi69/.gradle/caches/modules-2/files-2.1/com.badlogicgames.gdx/gdx-box2d-platform/1.9.2/497cbfbf81e7e8b1e8433b19291c5af4bbc2ec66/gdx-box2d-platform-1.9.2-natives-desktop.jar:/home/astrapi69/.gradle/caches/modules-2/files-2.1/org.lwjgl.lwjgl/lwjgl/2.9.2/a9d80fe5935c7a9149f6584d9777cfd471f65489/lwjgl-2.9.2.jar:/home/astrapi69/.gradle/caches/modules-2/files-2.1/org.lwjgl.lwjgl/lwjgl_util/2.9.2/4b9e37300a87799856e0bd15ed81663cdb6b0947/lwjgl_util-2.9.2.jar:/home/astrapi69/.gradle/caches/modules-2/files-2.1/com.badlogicgames.jlayer/jlayer/1.0.1-gdx/7cca83cec5c1b2f011362f4d85aabd71a73b049d/jlayer-1.0.1-gdx.jar:/home/astrapi69/.gradle/caches/modules-2/files-2.1/org.jcraft/jorbis/0.0.17/8872d22b293e8f5d7d56ff92be966e6dc28ebdc6/jorbis-0.0.17.jar:/home/astrapi69/.gradle/caches/modules-2/files-2.1/org.lwjgl.lwjgl/lwjgl-platform/2.9.2/510c7d317f5e9e700b9cfaac5fd38bdebf0702e0/lwjgl-platform-2.9.2-natives-windows.jar:/home/astrapi69/.gradle/caches/modules-2/files-2.1/org.lwjgl.lwjgl/lwjgl-platform/2.9.2/d276cdf61fe2b516c7b7f4aa1b8dea91dbdc8d56/lwjgl-platform-2.9.2-natives-linux.jar:/home/astrapi69/.gradle/caches/modules-2/files-2.1/org.lwjgl.lwjgl/lwjgl-platform/2.9.2/d55b46b40b40249d627a83a7f7f22649709d70c3/lwjgl-platform-2.9.2-natives-osx.jar:/home/astrapi69/.gradle/caches/modules-2/files-2.1/net.java.jinput/jinput/2.0.5/39c7796b469a600f72380316f6b1f11db6c2c7c4/jinput-2.0.5.jar:/home/astrapi69/.gradle/caches/modules-2/files-2.1/net.java.jutils/jutils/1.0.0/e12fe1fda814bd348c1579329c86943d2cd3c6a6/jutils-1.0.0.jar:/home/astrapi69/.gradle/caches/modules-2/files-2.1/net.java.jinput/jinput-platform/2.0.5/7ff832a6eb9ab6a767f1ade2b548092d0fa64795/jinput-platform-2.0.5-natives-linux.jar:/home/astrapi69/.gradle/caches/modules-2/files-2.1/net.java.jinput/jinput-platform/2.0.5/385ee093e01f587f30ee1c8a2ee7d408fd732e16/jinput-platform-2.0.5-natives-windows.jar:/home/astrapi69/.gradle/caches/modules-2/files-2.1/net.java.jinput/jinput-platform/2.0.5/53f9c919f34d2ca9de8c51fc4e1e8282029a9232/jinput-platform-2.0.5-natives-osx.jar:/home/astrapi69/wss/androidapps/my-gdx-drop/desktop/build/libs/desktop-1.0.jar:/home/astrapi69/ides/androidstudios/2.0/android-studio/lib/idea_rt.jar com.intellij.rt.execution.application.AppMain com.mygdx.game.desktop.DesktopLauncher
Exception in thread "LWJGL Application" com.badlogic.gdx.utils.GdxRuntimeException: Couldn't load file: badlogic.jpg
    at com.badlogic.gdx.graphics.Pixmap.<init>(Pixmap.java:148)
    at com.badlogic.gdx.graphics.TextureData$Factory.loadFromFile(TextureData.java:98)
    at com.badlogic.gdx.graphics.Texture.<init>(Texture.java:100)
    at com.badlogic.gdx.graphics.Texture.<init>(Texture.java:92)
    at com.badlogic.gdx.graphics.Texture.<init>(Texture.java:88)
    at com.mygdx.game.Drop.create(Drop.java:16)
    at com.badlogic.gdx.backends.lwjgl.LwjglApplication.mainLoop(LwjglApplication.java:147)
    at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:124)
Caused by: com.badlogic.gdx.utils.GdxRuntimeException: File not found: badlogic.jpg (Internal)
    at com.badlogic.gdx.files.FileHandle.read(FileHandle.java:136)
    at com.badlogic.gdx.files.FileHandle.readBytes(FileHandle.java:222)
    at com.badlogic.gdx.graphics.Pixmap.<init>(Pixmap.java:145)
    ... 7 more

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