February 1, 201511 yr Minecraft launcher was saying that I was using an old version of Java. So I finally updated Java to Java8 update 31. I then went to play minecraft. The launcher opens up and I click play, launcher disappears like it should and then nothing else happens. That's with forge yet going to play the game without forge it works fine. I don't know what's going on as this all started with updated Java.
February 1, 201511 yr Read the EAQ : http://www.minecraftforge.net/forum/index.php/topic,20.msg8027.html#msg8027 java.lang.ConcurrentModificationException or java.util.ConcurrentModificationException before Minecraft loads: Update to build 1217 or above, or install this mod: http://t.co/9olGYnwZBi (it's by Lex, you can trust it) Also 1.7.2 is not longer supported, update to 1.7.10.
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