java.net.preferIPv4Stack=true
Considering library net.minecraftforge:forge:1.12.2-14.23.5.2768: Not Downloading {Wrong Side}
Considering library net.minecraft:launchwrapper:1.12: Not Downloading {Wrong Side}
Considering library org.ow2.asm:asm-all:5.2
Considering library org.jline:jline:3.5.1: Not Downloading {Wrong Side}
Considering library net.java.dev.jna:jna:4.4.0: Not Downloading {Wrong Side}
Considering library com.typesafe.akka:akka-actor_2.11:2.3.3
Checking "C:\Users\Petar\AppData\Roaming\.minecraft\libraries\com\typesafe\akka\akka-actor_2.11\2.3.3\akka-actor_2.11-2.3.3.jar" internal checksums
    checksums.sha1 validated successfully
    Jar contents validated successfully
Considering library com.typesafe:config:1.2.1
Checking "C:\Users\Petar\AppData\Roaming\.minecraft\libraries\com\typesafe\config\1.2.1\config-1.2.1.jar" internal checksums
    checksums.sha1 validated successfully
    Jar contents validated successfully
Considering library org.scala-lang:scala-actors-migration_2.11:1.1.0
Checking "C:\Users\Petar\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-actors-migration_2.11\1.1.0\scala-actors-migration_2.11-1.1.0.jar" internal checksums
    checksums.sha1 validated successfully
    Jar contents validated successfully
Considering library org.scala-lang:scala-compiler:2.11.1
Checking "C:\Users\Petar\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-compiler\2.11.1\scala-compiler-2.11.1.jar" internal checksums
java.io.EOFException: Unexpected end of ZLIB input stream
	at java.util.zip.InflaterInputStream.fill(Unknown Source)
	at java.util.zip.InflaterInputStream.read(Unknown Source)
	at java.util.zip.ZipInputStream.read(Unknown Source)
	at java.util.jar.JarInputStream.read(Unknown Source)
	at java.io.FilterInputStream.read(Unknown Source)
	at net.minecraftforge.installer.DownloadUtils.readFully(DownloadUtils.java:435)
	at net.minecraftforge.installer.DownloadUtils.validateJar(DownloadUtils.java:276)
	at net.minecraftforge.installer.DownloadUtils.checksumValid(DownloadUtils.java:137)
	at net.minecraftforge.installer.DownloadUtils.downloadInstalledLibraries(DownloadUtils.java:53)
	at net.minecraftforge.installer.ClientInstall.run(ClientInstall.java:131)
	at net.minecraftforge.installer.InstallerAction.run(InstallerAction.java:43)
	at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:406)
	at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:168)
	at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:54)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at net.minecraftforge.installer.Java6Gate.main(Java6Gate.java:48)
Downloading library org.scala-lang:scala-compiler:2.11.1
Unpacking packed file scala-compiler-2.11.1.jar.pack.xz
  Signed
  Checksum Length: 942120
  Total Length:    9183051
  Temp File:       C:\Users\Petar\AppData\Local\Temp\art2292326119518192204.pack
Successfully unpacked packed file scala-compiler-2.11.1.jar.pack.xz
Checking "C:\Users\Petar\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-compiler\2.11.1\scala-compiler-2.11.1.jar" internal checksums
    checksums.sha1 validated successfully
    Jar contents validated successfully
Considering library org.scala-lang.plugins:scala-continuations-library_2.11:1.0.2
Checking "C:\Users\Petar\AppData\Roaming\.minecraft\libraries\org\scala-lang\plugins\scala-continuations-library_2.11\1.0.2\scala-continuations-library_2.11-1.0.2.jar" internal checksums
    checksums.sha1 validated successfully
    Jar contents validated successfully
Considering library org.scala-lang.plugins:scala-continuations-plugin_2.11.1:1.0.2
Checking "C:\Users\Petar\AppData\Roaming\.minecraft\libraries\org\scala-lang\plugins\scala-continuations-plugin_2.11.1\1.0.2\scala-continuations-plugin_2.11.1-1.0.2.jar" internal checksums
    checksums.sha1 validated successfully
    Jar contents validated successfully
Considering library org.scala-lang:scala-library:2.11.1
Checking "C:\Users\Petar\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-library\2.11.1\scala-library-2.11.1.jar" internal checksums
    checksums.sha1 validated successfully
    Jar contents validated successfully
Considering library org.scala-lang:scala-parser-combinators_2.11:1.0.1
Checking "C:\Users\Petar\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-parser-combinators_2.11\1.0.1\scala-parser-combinators_2.11-1.0.1.jar" internal checksums
    checksums.sha1 validated successfully
    Jar contents validated successfully
Considering library org.scala-lang:scala-reflect:2.11.1
Checking "C:\Users\Petar\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-reflect\2.11.1\scala-reflect-2.11.1.jar" internal checksums
    checksums.sha1 was not found, validation failed
Downloading library org.scala-lang:scala-reflect:2.11.1
Unpacking packed file scala-reflect-2.11.1.jar.pack.xz
  Signed
  Checksum Length: 291610
  Total Length:    3217021
  Temp File:       C:\Users\Petar\AppData\Local\Temp\art7409958771585292945.pack
Successfully unpacked packed file scala-reflect-2.11.1.jar.pack.xz
Checking "C:\Users\Petar\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-reflect\2.11.1\scala-reflect-2.11.1.jar" internal checksums
    checksums.sha1 validated successfully
    Jar contents validated successfully
Considering library org.scala-lang:scala-swing_2.11:1.0.1
Checking "C:\Users\Petar\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-swing_2.11\1.0.1\scala-swing_2.11-1.0.1.jar" internal checksums
    checksums.sha1 validated successfully
    Jar contents validated successfully
Considering library org.scala-lang:scala-xml_2.11:1.0.2
Checking "C:\Users\Petar\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-xml_2.11\1.0.2\scala-xml_2.11-1.0.2.jar" internal checksums
    checksums.sha1 validated successfully
    Jar contents validated successfully
Considering library lzma:lzma:0.0.1: Not Downloading {Wrong Side}
Considering library net.sf.jopt-simple:jopt-simple:5.0.3: Not Downloading {Wrong Side}
Considering library java3d:vecmath:1.5.2
Considering library net.sf.trove4j:trove4j:3.0.3
Considering library org.apache.maven:maven-artifact:3.5.3
Downloading library org.apache.maven:maven-artifact:3.5.3
Trying unpacked library org.apache.maven:maven-artifact:3.5.3
Extracting: /forge-1.12.2-14.23.5.2768-universal.jar
To:          C:\Users\Petar\AppData\Roaming\.minecraft\libraries\net\minecraftforge\forge\1.12.2-14.23.5.2768\forge-1.12.2-14.23.5.2768.jar