17:15:18 launcher Preparing to launch minecraft client for 1.11.2
17:15:19 launcher Checking installations.
17:15:19 launcher Minecraft client 1.11.2 is ready to start.
17:15:19 launcher Starting!
17:15:19 launcher Using default game log configuration client-1.7.xml (outputs XML)
17:15:19 launcher Process closed with exit code 1
17:15:19 launcher Exception in thread "main" java.lang.ExceptionInInitializerError
at org.apache.logging.log4j.util.PropertiesUtil.<init>(PropertiesUtil.java:71)
at org.apache.logging.log4j.util.PropertiesUtil.<clinit>(PropertiesUtil.java:31)
at org.apache.logging.log4j.status.StatusLogger.<clinit>(StatusLogger.java:48)
at org.apache.logging.log4j.LogManager.<clinit>(LogManager.java:44)
at bes.<clinit>(SourceFile:210)
at net.minecraft.client.main.Main.main(SourceFile:39)
Caused by: java.lang.NullPointerException
at org.apache.logging.log4j.util.ProviderUtil.<clinit>(ProviderUtil.java:70)
... 6 more
Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release

http://paste.ubuntu.com/24270203/