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MC-21013

Crash: java.lang.NoClassDefFoundError: Could not initialize class javax.crypto.JceSecurity

Every time I log in to Minecraft it closes on me.

What I expected to happen was...:
I expected it to log in to my account just fine.

What actually happened was...:
Instead of logging in, it just closed all Minecraft related stuff i had open on my Computer.

Steps to Reproduce:
1. I open up Minecraft
2. I log in
3. And it closes on me

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Description: Ticking screen

java.lang.NoClassDefFoundError: Could not initialize class javax.crypto.JceSecurity
	at javax.crypto.Cipher.getInstance(Cipher.java:499)
	at ld.a(SourceFile:131)
	at ld.a(SourceFile:119)
	at ld.a(SourceFile:110)
	at fx.<init>(SourceFile:22)
	at bcn.a(SourceFile:115)
	at fi.a(SourceFile:41)
	at cn.b(SourceFile:350)
	at bcn.d(SourceFile:95)
	at bcp.c(SourceFile:71)
	at atn.k(SourceFile:1172)
Erik Broes

This is a problem with your java installation. Please reinstall it.

William Roberts

Oh ok, but can you tell me the correct Java to install? I have tried both (32-bit) and (64-bit), but none have worked so far.

William Roberts

Erik Broes

Unconfirmed

crash

Minecraft 1.5.1, Minecraft 1.5.2, Minecraft 1.6, Minecraft 1.6.1

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