build error

5:08:44 PM: Executing external task 'assemble'...
Configuration on demand is an incubating feature.
:android:preBuild UP-TO-DATE
:android:preDebugBuild UP-TO-DATE
:android:checkDebugManifest
:android:prepareDebugDependencies
:android:compileDebugAidl UP-TO-DATE
:android:compileDebugRenderscript UP-TO-DATE
:android:generateDebugBuildConfig UP-TO-DATE
:android:generateDebugAssets UP-TO-DATE
:android:mergeDebugAssets UP-TO-DATE
:android:generateDebugResValues UP-TO-DATE
:android:generateDebugResources UP-TO-DATE
:android:mergeDebugResources UP-TO-DATE
:android:processDebugManifest UP-TO-DATE
:android:processDebugResources UP-TO-DATE
:android:generateDebugSources UP-TO-DATE
:core:compileJava UP-TO-DATE
:core:processResources UP-TO-DATE
:core:classes UP-TO-DATE
:core:jar UP-TO-DATE
:android:compileDebugJavaWithJavac UP-TO-DATE
:android:compileDebugNdk UP-TO-DATE
:android:compileDebugSources UP-TO-DATE
:android:transformClassesWithDexForDebug UP-TO-DATE
:android:mergeDebugJniLibFolders UP-TO-DATE
:android:transformNative_libsWithMergeJniLibsForDebug UP-TO-DATE
:android:processDebugJavaRes UP-TO-DATE
:android:transformResourcesWithMergeJavaResForDebug UP-TO-DATE
:android:validateDebugSigning
:android:packageDebug UP-TO-DATE
:android:zipalignDebug UP-TO-DATE
:android:assembleDebug UP-TO-DATE
:android:preReleaseBuild UP-TO-DATE
:android:checkReleaseManifest
:android:prepareReleaseDependencies
:android:compileReleaseAidl UP-TO-DATE
:android:compileReleaseRenderscript UP-TO-DATE
:android:generateReleaseBuildConfig UP-TO-DATE
:android:generateReleaseAssets UP-TO-DATE
:android:mergeReleaseAssets UP-TO-DATE
:android:generateReleaseResValues UP-TO-DATE
:android:generateReleaseResources UP-TO-DATE
:android:mergeReleaseResources UP-TO-DATE
:android:processReleaseManifest UP-TO-DATE
:android:processReleaseResources UP-TO-DATE
:android:generateReleaseSources UP-TO-DATE
:android:compileReleaseJavaWithJavac UP-TO-DATE
:android:compileReleaseNdk UP-TO-DATE
:android:compileReleaseSources UP-TO-DATE
:android:lintVitalRelease
:android:transformClassesWithDexForRelease UP-TO-DATE
:android:mergeReleaseJniLibFolders UP-TO-DATE
:android:transformNative_libsWithMergeJniLibsForRelease UP-TO-DATE
:android:processReleaseJavaRes UP-TO-DATE
:android:transformResourcesWithMergeJavaResForRelease UP-TO-DATE
:android:packageRelease UP-TO-DATE
:android:assembleRelease
:android:assemble
:core:assemble UP-TO-DATE
:desktop:compileJava UP-TO-DATE
:desktop:processResources UP-TO-DATE
:desktop:classes UP-TO-DATE
:desktop:jar UP-TO-DATE
:desktop:assemble UP-TO-DATE
:html:compileJava UP-TO-DATE
:html:processResources UP-TO-DATE
:html:classes UP-TO-DATE
:html:addSource
:html:compileGwt
Compiling module net.catacombsnatch.game.GdxDefinition
   Validating units:
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/CatacombSnatch.java'
         [ERROR] Line 156: No source code is available for type java.text.DateFormat; did you forget to inherit a required module?
         [ERROR] Line 156: No source code is available for type java.util.Calendar; did you forget to inherit a required module?
         [ERROR] Line 163: The method getProtectionDomain() is undefined for the type Class<capture#1-of ? extends CatacombSnatch>
         [ERROR] Line 164: No source code is available for type java.net.URLDecoder; did you forget to inherit a required module?
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/entity/EntityComponent.java'
         [ERROR] Line 5: No source code is available for type com.artemis.Component; did you forget to inherit a required module?
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/entity/EntityFactory.java'
         [ERROR] Line 15: No source code is available for type com.artemis.Entity; did you forget to inherit a required module?
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/entity/EntityHelper.java'
         [ERROR] Line 8: No source code is available for type com.artemis.Entity; did you forget to inherit a required module?
         [ERROR] Line 9: No source code is available for type com.artemis.managers.GroupManager; did you forget to inherit a required module?
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/entity/components/Animations.java'
         [ERROR] Line 11: No source code is available for type com.artemis.Component; did you forget to inherit a required module?
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/entity/components/Health.java'
         [ERROR] Line 5: No source code is available for type com.artemis.Component; did you forget to inherit a required module?
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/entity/components/Position.java'
         [ERROR] Line 8: No source code is available for type com.artemis.Component; did you forget to inherit a required module?
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/entity/components/Rotation.java'
         [ERROR] Line 8: No source code is available for type com.artemis.Component; did you forget to inherit a required module?
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/entity/components/Sprite.java'
         [ERROR] Line 7: No source code is available for type com.artemis.Component; did you forget to inherit a required module?
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/entity/components/Velocity.java'
         [ERROR] Line 6: No source code is available for type com.artemis.Component; did you forget to inherit a required module?
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/entity/renderers/PlayerRenderer.java'
         [ERROR] Line 18: No source code is available for type com.artemis.Entity; did you forget to inherit a required module?
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/entity/renderers/Renderer.java'
         [ERROR] Line 7: No source code is available for type com.artemis.Entity; did you forget to inherit a required module?
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/entity/renderers/TileRenderer.java'
         [ERROR] Line 13: No source code is available for type com.artemis.Entity; did you forget to inherit a required module?
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/entity/systems/HealthSystem.java'
         [ERROR] Line 11: No source code is available for type com.artemis.systems.EntityProcessingSystem; did you forget to inherit a required module?
         [ERROR] Line 13: No source code is available for type com.artemis.ComponentMapper<A>; did you forget to inherit a required module?
         [ERROR] Line 17: No source code is available for type com.artemis.Aspect; did you forget to inherit a required module?
         [ERROR] Line 21: No source code is available for type com.artemis.Entity; did you forget to inherit a required module?
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/entity/systems/MovementSystem.java'
         [ERROR] Line 13: No source code is available for type com.artemis.systems.EntityProcessingSystem; did you forget to inherit a required module?
         [ERROR] Line 16: No source code is available for type com.artemis.ComponentMapper<A>; did you forget to inherit a required module?
         [ERROR] Line 25: No source code is available for type com.artemis.Aspect; did you forget to inherit a required module?
         [ERROR] Line 29: No source code is available for type com.artemis.Entity; did you forget to inherit a required module?
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/entity/systems/RenderSystem.java'
         [ERROR] Line 22: No source code is available for type com.artemis.systems.EntityProcessingSystem; did you forget to inherit a required module?
         [ERROR] Line 24: No source code is available for type com.artemis.ComponentMapper<A>; did you forget to inherit a required module?
         [ERROR] Line 32: No source code is available for type com.artemis.Entity; did you forget to inherit a required module?
         [ERROR] Line 38: No source code is available for type com.artemis.Aspect; did you forget to inherit a required module?
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/event/EventManager.java'
         [ERROR] Line 30: The method getMethods() is undefined for the type Class<capture#1-of ? extends Object>
         [ERROR] Line 44: The method isAssignableFrom(Class<capture#4-of ?>) is undefined for the type Class<Event>
         [ERROR] Line 61: The method getMethods() is undefined for the type Class<capture#8-of ? extends Object>
         [ERROR] Line 66: The method isAssignableFrom(Class<capture#10-of ?>) is undefined for the type Class<Event>
         [ERROR] Line 129: No source code is available for type java.lang.reflect.Method; did you forget to inherit a required module?
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/player/LevelPlayer.java'
         [ERROR] Line 12: No source code is available for type com.artemis.Entity; did you forget to inherit a required module?
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/resource/Language.java'
         [ERROR] Line 163: No source code is available for type java.util.Properties; did you forget to inherit a required module?
         [ERROR] Line 164: No source code is available for type java.text.MessageFormat; did you forget to inherit a required module?
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/scene/SceneManager.java'
         [ERROR] Line 70: The method newInstance() is undefined for the type Class<T>
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/screen/Screen.java'
         [ERROR] Line 62: No source code is available for type com.badlogic.gdx.graphics.PixmapIO; did you forget to inherit a required module?
         [ERROR] Line 82: Type mismatch: cannot convert from Buffer to ByteBuffer
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/sound/GdxSoundPlayer.java'
         [ERROR] Line 57: The method file() is undefined for the type FileHandle
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/statistic/achievement/Achievements.java'
         [ERROR] Line 15: The method newInstance() is undefined for the type Class<capture#1-of ? extends Achievement>
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/world/level/Level.java'
         [ERROR] Line 19: No source code is available for type com.artemis.World; did you forget to inherit a required module?
         [ERROR] Line 42: No source code is available for type com.artemis.WorldConfiguration; did you forget to inherit a required module?
         [ERROR] Line 47: No source code is available for type com.artemis.managers.GroupManager; did you forget to inherit a required module?
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/world/tile/TileRegistry.java'
         [ERROR] Line 47: The method newInstance() is undefined for the type Class<capture#4-of ? extends Tile>
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/world/tile/tiles/HoleTile.java'
         [ERROR] Line 45: The method newInstance() is undefined for the type Class<capture#2-of ? extends Tile>
      [ERROR] Errors in 'file:/C:/Users/Work2/Desktop/Catacomb-Snatch/core/src/net/catacombsnatch/game/world/tile/tiles/WallTile.java'
         [ERROR] Line 18: The method copyOfRange(TextureRegion[], int, int) is undefined for the type Arrays
   [ERROR] Aborting compile due to errors in some input files
:html:compileGwt FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':html:compileGwt'.
> Process 'command 'C:\Program Files\Java\jdk1.7.0_80\bin\java.exe'' finished with non-zero exit value 1

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED

Total time: 29.239 secs
Process 'command 'C:\Program Files\Java\jdk1.7.0_80\bin\java.exe'' finished with non-zero exit value 1
5:09:14 PM: External task execution finished 'assemble'.