Hello,

I have recently started to get back into making mods, but I have a problem with launching the client. The last time I made a mod, was back in 1.6.4, and I am slightly unfamiliar with 1.7.2.

I am using JRE 7 and JDK 1.7.0_71.

 

I have made a custom launch profile which uses this:

Project: Minecraft

Main class: net.minecraft.launchwrapper.Launch

Program arguments: --version 1.7 --tweakClass cpw.mods.fml.common.launcher.FMLTweaker --accessToken modstest --assetsDir=eclipse/assets

VM arguments: -Dfml.ignoreInvalidMinecraftCertificates=true

 

Here is the error message in the console when I try to launch the client:

[16:04:23] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[16:04:23] [main/INFO] [LaunchWrapper]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[16:04:23] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
[16:04:23] [main/INFO] [FML]: Forge Mod Loader version 7.2.211.1121 for Minecraft 1.7.2 loading
[16:04:23] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.7.0_71, running on Windows 7:amd64:6.1, installed at C:\Program Files\Java\jre7
[16:04:23] [main/INFO] [FML]: Managed to load a deobfuscated Minecraft name- we are in a deobfuscated environment. Skipping runtime deobfuscation
[16:04:23] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[16:04:23] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
[16:04:23] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[16:04:23] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[16:04:23] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[16:04:23] [main/ERROR] [FML]: The binary patch set is missing. Either you are in a development environment, or things are not going to work!
[16:04:24] [main/ERROR] [FML]: The minecraft jar file:/E:/Users/Harvey/.gradle/caches/minecraft/net/minecraftforge/forge/1.7.2-10.12.2.1121/forgeSrc-1.7.2-10.12.2.1121.jar!/net/minecraft/client/ClientBrandRetriever.class appears to be corrupt! There has been CRITICAL TAMPERING WITH MINECRAFT, it is highly unlikely minecraft will work! STOP NOW, get a clean copy and try again!
[16:04:24] [main/ERROR] [FML]: FML has been ordered to ignore the invalid or missing minecraft certificate. This is very likely to cause a problem!
[16:04:24] [main/ERROR] [FML]: Technical information: ClientBrandRetriever was at jar:file:/E:/Users/Harvey/.gradle/caches/minecraft/net/minecraftforge/forge/1.7.2-10.12.2.1121/forgeSrc-1.7.2-10.12.2.1121.jar!/net/minecraft/client/ClientBrandRetriever.class, there were 0 certificates for it
[16:04:24] [main/ERROR] [FML]: FML appears to be missing any signature data. This is not a good thing
[16:04:24] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[16:04:24] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLDeobfTweaker
[16:04:24] [main/INFO] [LaunchWrapper]: Launching wrapped minecraft {net.minecraft.client.main.Main}
[16:04:24] [main/ERROR] [LaunchWrapper]: Unable to launch
java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_71]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_71]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_71]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_71]
        at net.minecraft.launchwrapper.Launch.launch(Launch.java:134) [launchwrapper-1.9.jar:?]
        at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.9.jar:?]
Caused by: java.lang.UnsatisfiedLinkError: no lwjgl in java.library.path
        at java.lang.ClassLoader.loadLibrary(Unknown Source) ~[?:1.7.0_71]
        at java.lang.Runtime.loadLibrary0(Unknown Source) ~[?:1.7.0_71]
        at java.lang.System.loadLibrary(Unknown Source) ~[?:1.7.0_71]
        at org.lwjgl.Sys$1.run(Sys.java:73) ~[lwjgl-2.9.0.jar:?]
        at java.security.AccessController.doPrivileged(Native Method) ~[?:1.7.0_71]
        at org.lwjgl.Sys.doLoadLibrary(Sys.java:66) ~[lwjgl-2.9.0.jar:?]
        at org.lwjgl.Sys.loadLibrary(Sys.java:95) ~[lwjgl-2.9.0.jar:?]
        at org.lwjgl.Sys.<clinit>(Sys.java:112) ~[lwjgl-2.9.0.jar:?]
        at net.minecraft.client.Minecraft.getSystemTime(Minecraft.java:2675) ~[Minecraft.class:?]
        at net.minecraft.client.main.Main.main(Main.java:40) ~[Main.class:?]
        ... 6 more

 

If any more information is required, please tell me!

I have managed to fix the problem by downloading lwjgl and lwjgl64 dll files then adding it to the jre/bin folder. Sorry for the inconvenience.