I dumped for while modding and I recently started again modding. Whenever I press the "Run" button in eclipse (the green dot with a triangle inside) but I get the following error:

 

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[22:27:24] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker

[22:27:24] [main/INFO]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker

[22:27:24] [main/INFO]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker

[22:27:24] [main/INFO]: Forge Mod Loader version 7.2.196.1082 for Minecraft 1.7.2 loading

[22:27:24] [main/INFO]: Java is Java HotSpot 64-Bit Server VM, version 1.8.0_31, running on Windows 7:amd64:6.1, installed at C:\Program Files\Java\jre1.8.0_31

[22:27:24] [main/INFO]: Managed to load a deobfuscated Minecraft name- we are in a deobfuscated environment. Skipping runtime deobfuscation

[22:27:24] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker

[22:27:24] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker

[22:27:24] [main/INFO]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker

[22:27:24] [main/ERROR]: Unable to launch

java.util.ConcurrentModificationException

at java.util.ArrayList$Itr.checkForComodification(Unknown Source) ~[?:1.8.0_31]

at java.util.ArrayList$Itr.remove(Unknown Source) ~[?:1.8.0_31]

at net.minecraft.launchwrapper.Launch.launch(Launch.java:117) [launchwrapper-1.9.jar:?]

at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.9.jar:?]

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

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How can I fix this error? I found a similar post but it is for forge client (http://www.minecraftforge.net/forum/index.php/topic,27100.0.html).

How can I update to 1.7.10? Or where can I find out how?

I get a new crash:

 

 

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[15:11:45] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker

[15:11:45] [main/INFO]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker

[15:11:45] [main/INFO]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker

[15:11:45] [main/INFO]: Forge Mod Loader version 7.10.85.1230 for Minecraft 1.7.10 loading

[15:11:45] [main/INFO]: Java is Java HotSpot 64-Bit Server VM, version 1.8.0_31, running on Windows 7:amd64:6.1, installed at C:\Program Files\Java\jre1.8.0_31

[15:11:45] [main/INFO]: Managed to load a deobfuscated Minecraft name- we are in a deobfuscated environment. Skipping runtime deobfuscation

[15:11:45] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker

[15:11:45] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker

[15:11:45] [main/INFO]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker

[15:11:45] [main/INFO]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker

[15:11:45] [main/INFO]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper

[15:11:46] [main/ERROR]: The binary patch set is missing. Either you are in a development environment, or things are not going to work!

[15:11:49] [main/ERROR]: FML appears to be missing any signature data. This is not a good thing

[15:11:49] [main/INFO]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper

[15:11:49] [main/INFO]: Calling tweak class cpw.mods.fml.common.launcher.FMLDeobfTweaker

[15:11:49] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.TerminalTweaker

[15:11:49] [main/INFO]: Calling tweak class cpw.mods.fml.common.launcher.TerminalTweaker

[15:11:49] [main/INFO]: Launching wrapped minecraft {net.minecraft.client.main.Main}

[15:11:51] [main/ERROR]: Unable to launch

java.lang.reflect.InvocationTargetException

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_31]

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_31]

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_31]

at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_31]

at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.11.jar:?]

at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11.jar:?]

Caused by: java.lang.UnsatisfiedLinkError: no lwjgl in java.library.path

at java.lang.ClassLoader.loadLibrary(Unknown Source) ~[?:1.8.0_31]

at java.lang.Runtime.loadLibrary0(Unknown Source) ~[?:1.8.0_31]

at java.lang.System.loadLibrary(Unknown Source) ~[?:1.8.0_31]

at org.lwjgl.Sys$1.run(Sys.java:73) ~[lwjgl-2.9.1.jar:?]

at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_31]

at org.lwjgl.Sys.doLoadLibrary(Sys.java:66) ~[lwjgl-2.9.1.jar:?]

at org.lwjgl.Sys.loadLibrary(Sys.java:95) ~[lwjgl-2.9.1.jar:?]

at org.lwjgl.Sys.<clinit>(Sys.java:112) ~[lwjgl-2.9.1.jar:?]

at net.minecraft.client.Minecraft.getSystemTime(Minecraft.java:2660) ~[Minecraft.class:?]

at net.minecraft.client.main.Main.main(SourceFile:72) ~[Main.class:?]

... 6 more

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

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I watched this video (

) and I executed the following steps:

 

 

--- I opened build.gradle and changed 'version = "1.7.2-1.0"' in line 20 to 'version = "1.7.10-1.0"' and 'version = "forge-1.7.2-10.12.1.1082"' in line 25 to 'version = "1.7.10-10.13.2.1230"'

 

--- I ran cmd inside the folder that eclipse works

 

--- I typed "gradlew setupDevWorkspace eclipse"

 

--- I got a succesful build

 

--- Finally I ran eclipse and the crash report appeared

 

 

 

 

What have I done wrong? Should I do something else?

Thank you it worked.