Closed 2.5.0: SkyFactory 2.5 Not Launching (Sorted) For Info view here

I

ItzAlex YT

Guest
Version:
2.5.0

What is the bug:
Launcher Version: Feed The Beast Launcher v1.4.12

Sky Factory 2.5 Version: 2.5.0

Whenever I try to load the mod pack I see my launcher disappear and re-appear almost Instantly with an error in the launcher console


Can You Help me please?

Thank You,

-ItzAlex YT

Mod & Version:
Feed the beast presents SkyFactory 2.5 (2.5.0)

Paste.feed-the-beast.com log:
http://paste.feed-the-beast.com/view/84e761df

Can it be repeated:


Known Fix:
 
I

ItzAlex YT

Guest
tried changing allowed ram and installing java 8 u51 and disabling my anti Virus.

I NEED HELP!!
 
J

Jandakast

Guest
The launcher is detecting multiple versions of Java installed on your machine. This may be caused by you manually installing older versions of Java for compatibility or it may be because a java install is corrupt. I would suggest trying to uninstall all versions of Java completely, Restart your machine, and then install the newest version of Java 8 32bit and 64bit.

You are also receiving a Preferences Write error. This might be resolved by uninstalling and reinstalling Java. If not you can correct the issue by modifying your registry.
  1. Go into your Start Menu and type regedit into the search field.
  2. Navigate to path "HKEY_LOCAL_MACHINE\Software\JavaSoft"
  3. If the "Prefs" key doesn't exist then
    1. Right click on the JavaSoft folder and click on New -> Key
    2. Name the new Key "Prefs"
  4. Navigate to path "HKEY_LOCAL_MACHINE\Software\WOW6432Node\JavaSoft"
  5. If the "Prefs" key doesn't exist then
    1. Right click on the JavaSoft folder and click on New -> Key
    2. Name the new Key "Prefs"
 
I

ItzAlex YT

Guest
Re Installed Java and i tried the keys part Not running
 
I

ItzAlex YT

Guest
Tried To launch Using all the versions of java and still Not working
 
I

ItzAlex YT

Guest
Here Is The error:
[10:14:51] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[10:14:51] [main/ERROR]: Unable to launch
java.lang.ClassNotFoundException: cpw.mods.fml.common.launcher.FMLTweaker
at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.8.0_77]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_77]
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) ~[?:1.8.0_77]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_77]
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:106) ~[launchwrapper-1.12.jar:?]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_77]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_77]
at java.lang.Class.forName0(Native Method) ~[?:1.8.0_77]
at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_77]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:98) [launchwrapper-1.12.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
 
W

wormmus

New Member
Jul 29, 2019
15
0
0
You have 32-bit Java installed, it appears. You most likely need to have 64-bit Java installed, as 2.4 did not work on 32-bit computers.
 
I

ItzAlex YT

Guest
Jandakast said:
The launcher is detecting multiple versions of Java installed on your machine. This may be caused by you manually installing older versions of Java for compatibility or it may be because a java install is corrupt. I would suggest trying to uninstall all versions of Java completely, Restart your machine, and then install the newest version of Java 8 32bit and 64bit.

You are also receiving a Preferences Write error. This might be resolved by uninstalling and reinstalling Java. If not you can correct the issue by modifying your registry.
  1. Go into your Start Menu and type regedit into the search field.
  2. Navigate to path "HKEY_LOCAL_MACHINE\Software\JavaSoft"
  3. If the "Prefs" key doesn't exist then
    1. Right click on the JavaSoft folder and click on New -> Key
    2. Name the new Key "Prefs"
  4. Navigate to path "HKEY_LOCAL_MACHINE\Software\WOW6432Node\JavaSoft"
  5. If the "Prefs" key doesn't exist then
    1. Right click on the JavaSoft folder and click on New -> Key
    2. Name the new Key "Prefs"
Click to expand...
I did try BOTH x32 AND x64 wormussus
 
mc.crab

mc.crab

Well-Known Member
Feb 2, 2013
1,397
116
89
In the launcher options click force update and launch the pack.
 
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