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[1.8][SOLVED] ClassFormatError when loading class "GuiScreen"


Divisor

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I am currently trying to update my mods "Player API" and "Render Player API" and ran into a strange problem when loading the Constructors of the class "net.minecraft.client.entity.EntityPlayerSP" via reflection:

 

Exception in thread "main" java.lang.ClassFormatError: Illegal class name "java.io.IOException" in class file net/minecraft/client/gui/GuiScreen

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClass(Unknown Source)

at java.security.SecureClassLoader.defineClass(Unknown Source)

at java.net.URLClassLoader.defineClass(Unknown Source)

at java.net.URLClassLoader.access$100(Unknown Source)

at java.net.URLClassLoader$1.run(Unknown Source)

at java.net.URLClassLoader$1.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

at java.lang.Class.getDeclaredConstructors0(Native Method)

at java.lang.Class.privateGetDeclaredConstructors(Unknown Source)

at java.lang.Class.getConstructors(Unknown Source)

at main.Data.generateTable(Data.java:140)

at main.Process.process(Process.java:165)

at main.Main.main(Main.java:97)

 

Environment:

  • JRE: jre7
  • classpath: forgeBin-1.8-11.14.0.1268-1.8.jar;authlib-1.5.17.jar

 

I have allready investigated the problem using a java decompiler (jd-gui-0.3.6)

 

forgeBin-1.8-11.14.0.1268-1.8.jar/net/minecraft/client/gui/GuiScreen.class: (strange throws declarations everywhere)

 

...

protected void keyTyped(char typedChar, int keyCode)
    throws java.io.IOException, IOException // <= what is this supposed to be ?!?
  {
    ;
    ;
    ;
    if (keyCode == 1)
    {
      this.mc.displayGuiScreen((GuiScreen)null);
      if (this.mc.currentScreen == null) {
        this.mc.setIngameFocus();
      }
    }
  }

...

 

1.8.jar/bxf.class: (no throws declarations at all)

 

...

protected void a(char paramChar, int paramInt)
  {
    if (paramInt == 1)
    {
      this.j.a(null);
      if (this.j.m == null) {
        this.j.n();
      }
    }
  }

...

 

forgeBin-1.7.10-10.13.0.1152.jar/net/minecraft/client/gui/GuiScreen.class: (also no throws declarations at all)

 

...

protected void keyTyped(char p_73869_1_, int p_73869_2_)
  {
    ;
    ;
    ;
    if (p_73869_2_ == 1)
    {
      this.mc.displayGuiScreen((GuiScreen)null);
      this.mc.setIngameFocus();
    }
  }

...

 

 

 

Any suggestions how to successfully load the GuiScreen class?

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