Cant run mod

[NetherDragons]

I'm trying to mod with Eclipse, and when I go to run the code, I get an error.

[embed=425,349]    2016-07-09 11:18:31,849 WARN Unable to instantiate org.fusesource.jansi.WindowsAnsiOutputStream

    2016-07-09 11:18:31,867 WARN Unable to instantiate org.fusesource.jansi.WindowsAnsiOutputStream

    [11:18:32] [main/INFO] [GradleStart]: Extra: []

    Exception in thread "main" java.util.zip.ZipException: zip file is empty

    at java.util.zip.ZipFile.open(Native Method)

    at java.util.zip.ZipFile.<init>(Unknown Source)

    at java.util.zip.ZipFile.<init>(Unknown Source)

    at java.util.jar.JarFile.<init>(Unknown Source)

    at java.util.jar.JarFile.<init>(Unknown Source)

    at net.minecraftforge.gradle.GradleForgeHacks.searchCoremods(GradleForgeHacks.java:110)

    at net.minecraftforge.gradle.GradleStartCommon.launch(GradleStartCommon.java:86)

    at GradleStart.main(GradleStart.java:26)

    Java HotSpot 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release[/embed]

And it won't allow me to test my mod. Any help is appreciated. I had also tryed refreshing the dependencies. I'm using Eclipse Java Mars, and Forge 1.8.9, on a Windows 7 64-bit Toshiba Laptop with 6GB of RAM

[NetherDragons]

Something is broken in your gradle cache. Delete .gradle in your user home and run setupDecompWorkspace again.

I had tried that and I get the same error. 

[jeffryfisher]

JRE version? Are you using up-to-date Java?

[NetherDragons]

JRE version? Are you using up-to-date Java?

Why in fact no. I used the latest version at the time. I'm going to update now.

[NetherDragons]

Something is broken in your gradle cache. Delete .gradle in your user home and run setupDecompWorkspace again.

I realized I deleted the .gradle folder in the workspace and not the .gradle folder in my user home.