minecraft launcher stuck at "launching"

Minecraft is stuck at launcher at the word launching. Here is the launcher log. Also after a while it goes to game output sometimes. Please help me!!!! Thanks!!!!!

[08:46:05 INFO]: Minecraft Launcher 1.6.61 (through bootstrap 100) started on osx...
[08:46:05 INFO]: Current time is Jul 3, 2016 8:46:05 AM
[08:46:05 INFO]: System.getProperty('os.name') == 'Mac OS X'
[08:46:05 INFO]: System.getProperty('os.version') == '10.11.5'
[08:46:05 INFO]: System.getProperty('os.arch') == 'x86_64'
[08:46:05 INFO]: System.getProperty('java.version') == '1.8.0_74'
[08:46:05 INFO]: System.getProperty('java.vendor') == 'Oracle Corporation'
[08:46:05 INFO]: System.getProperty('sun.arch.data.model') == '64'
[08:46:05 INFO]: proxy == DIRECT
[08:46:06 INFO]: JFX is already initialized
[08:46:07 INFO]: Refreshing local version list...
[08:46:07 INFO]: Refreshing remote version list...
[08:46:11 INFO]: Refresh complete.
[08:46:11 INFO]: Loaded 1 profile(s); selected '(Default)'
[08:46:11 INFO]: Refreshing auth...
[08:46:11 INFO]: Logging in with access token
[08:46:24 INFO]: Getting syncinfo for selected version
[08:46:24 INFO]: Queueing library & version downloads
[08:46:24 INFO]: Download job 'Version & Libraries' started (16 threads, 34 files)
[08:46:24 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/org/apache/commons/commons-lang3/3.3.2/commons-lang3-3.3.2.jar for job 'Version & Libraries'... (try 0)
[08:46:24 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/com/paulscode/librarylwjglopenal/20100824/librarylwjglopenal-20100824.jar for job 'Version & Libraries'... (try 0)
[08:46:24 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/io/netty/netty-all/4.0.23.Final/netty-all-4.0.23.Final.jar for job 'Version & Libraries'... (try 0)
[08:46:24 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/net/sf/jopt-simple/jopt-simple/4.6/jopt-simple-4.6.jar for job 'Version & Libraries'... (try 0)
[08:46:24 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/com/paulscode/libraryjavasound/20101123/libraryjavasound-20101123.jar for job 'Version & Libraries'... (try 0)
[08:46:24 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/tv/twitch/twitch-platform/6.5/twitch-platform-6.5-natives-osx.jar for job 'Version & Libraries'... (try 0)
[08:46:24 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/com/paulscode/soundsystem/20120107/soundsystem-20120107.jar for job 'Version & Libraries'... (try 0)
[08:46:24 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/net/java/jutils/jutils/1.0.0/jutils-1.0.0.jar for job 'Version & Libraries'... (try 0)
[08:46:24 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/com/mojang/authlib/1.5.21/authlib-1.5.21.jar for job 'Version & Libraries'... (try 0)
[08:46:24 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/com/google/guava/guava/17.0/guava-17.0.jar for job 'Version & Libraries'... (try 0)
[08:46:24 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/org/apache/httpcomponents/httpcore/4.3.2/httpcore-4.3.2.jar for job 'Version & Libraries'... (try 0)
[08:46:24 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/com/paulscode/codecjorbis/20101023/codecjorbis-20101023.jar for job 'Version & Libraries'... (try 0)
[08:46:24 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/commons-logging/commons-logging/1.1.3/commons-logging-1.1.3.jar for job 'Version & Libraries'... (try 0)
[08:46:24 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/net/java/jinput/jinput/2.0.5/jinput-2.0.5.jar for job 'Version & Libraries'... (try 0)
[08:46:24 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/com/mojang/netty/1.6/netty-1.6.jar for job 'Version & Libraries'... (try 0)
[08:46:24 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/org/apache/commons/commons-compress/1.8.1/commons-compress-1.8.1.jar for job 'Version & Libraries'... (try 0)
[08:46:25 INFO]: Download job 'Resources' skipped as there are no files to download
[08:46:25 INFO]: Job 'Resources' finished successfully (took 0:00:00.000)
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/com/paulscode/codecjorbis/20101023/codecjorbis-20101023.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/commons-io/commons-io/2.4/commons-io-2.4.jar for job 'Version & Libraries'... (try 0)
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/com/paulscode/libraryjavasound/20101123/libraryjavasound-20101123.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/com/paulscode/codecwav/20101023/codecwav-20101023.jar for job 'Version & Libraries'... (try 0)
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/com/mojang/netty/1.6/netty-1.6.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/commons-codec/commons-codec/1.9/commons-codec-1.9.jar for job 'Version & Libraries'... (try 0)
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/commons-logging/commons-logging/1.1.3/commons-logging-1.1.3.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/org/apache/logging/log4j/log4j-api/2.0-beta9/log4j-api-2.0-beta9.jar for job 'Version & Libraries'... (try 0)
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/net/sf/jopt-simple/jopt-simple/4.6/jopt-simple-4.6.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/org/lwjgl/lwjgl/lwjgl_util/2.9.2-nightly-20140822/lwjgl_util-2.9.2-nightly-20140822.jar for job 'Version & Libraries'... (try 0)
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/com/paulscode/soundsystem/20120107/soundsystem-20120107.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/com/google/code/gson/gson/2.2.4/gson-2.2.4.jar for job 'Version & Libraries'... (try 0)
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/com/mojang/authlib/1.5.21/authlib-1.5.21.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/net/java/dev/jna/platform/3.4.0/platform-3.4.0.jar for job 'Version & Libraries'... (try 0)
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/net/java/jutils/jutils/1.0.0/jutils-1.0.0.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/net/java/jinput/jinput-platform/2.0.5/jinput-platform-2.0.5-natives-osx.jar for job 'Version & Libraries'... (try 0)
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/com/paulscode/librarylwjglopenal/20100824/librarylwjglopenal-20100824.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/org/apache/logging/log4j/log4j-core/2.0-beta9/log4j-core-2.0-beta9.jar for job 'Version & Libraries'... (try 0)
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/net/java/jinput/jinput/2.0.5/jinput-2.0.5.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/com/mojang/realms/1.7.19/realms-1.7.19.jar for job 'Version & Libraries'... (try 0)
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/com/paulscode/codecwav/20101023/codecwav-20101023.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/net/java/dev/jna/jna/3.4.0/jna-3.4.0.jar for job 'Version & Libraries'... (try 0)
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/org/apache/httpcomponents/httpcore/4.3.2/httpcore-4.3.2.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/org/apache/httpcomponents/httpclient/4.3.3/httpclient-4.3.3.jar for job 'Version & Libraries'... (try 0)
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/org/apache/logging/log4j/log4j-api/2.0-beta9/log4j-api-2.0-beta9.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/tv/twitch/twitch/6.5/twitch-6.5.jar for job 'Version & Libraries'... (try 0)
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/com/google/code/gson/gson/2.2.4/gson-2.2.4.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/net/java/jinput/jinput-platform/2.0.5/jinput-platform-2.0.5-natives-osx.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/com/ibm/icu/icu4j-core-mojang/51.2/icu4j-core-mojang-51.2.jar for job 'Version & Libraries'... (try 0)
[08:46:25 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/org/lwjgl/lwjgl/lwjgl/2.9.2-nightly-20140822/lwjgl-2.9.2-nightly-20140822.jar for job 'Version & Libraries'... (try 0)
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/commons-io/commons-io/2.4/commons-io-2.4.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/org/lwjgl/lwjgl/lwjgl-platform/2.9.2-nightly-20140822/lwjgl-platform-2.9.2-nightly-20140822-natives-osx.jar for job 'Version & Libraries'... (try 0)
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/org/lwjgl/lwjgl/lwjgl_util/2.9.2-nightly-20140822/lwjgl_util-2.9.2-nightly-20140822.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/libraries/oshi-project/oshi-core/1.1/oshi-core-1.1.jar for job 'Version & Libraries'... (try 0)
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/tv/twitch/twitch/6.5/twitch-6.5.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Attempting to download /Users/John-home/Library/Application Support/minecraft/versions/1.8.6/1.8.6.jar for job 'Version & Libraries'... (try 0)
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/commons-codec/commons-codec/1.9/commons-codec-1.9.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/tv/twitch/twitch-platform/6.5/twitch-platform-6.5-natives-osx.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/org/apache/commons/commons-lang3/3.3.2/commons-lang3-3.3.2.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/org/apache/commons/commons-compress/1.8.1/commons-compress-1.8.1.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/oshi-project/oshi-core/1.1/oshi-core-1.1.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/io/netty/netty-all/4.0.23.Final/netty-all-4.0.23.Final.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/net/java/dev/jna/platform/3.4.0/platform-3.4.0.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/org/apache/httpcomponents/httpclient/4.3.3/httpclient-4.3.3.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/com/mojang/realms/1.7.19/realms-1.7.19.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/net/java/dev/jna/jna/3.4.0/jna-3.4.0.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/org/apache/logging/log4j/log4j-core/2.0-beta9/log4j-core-2.0-beta9.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/org/lwjgl/lwjgl/lwjgl-platform/2.9.2-nightly-20140822/lwjgl-platform-2.9.2-nightly-20140822-natives-osx.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/com/google/guava/guava/17.0/guava-17.0.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/org/lwjgl/lwjgl/lwjgl/2.9.2-nightly-20140822/lwjgl-2.9.2-nightly-20140822.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/libraries/com/ibm/icu/icu4j-core-mojang/51.2/icu4j-core-mojang-51.2.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Finished downloading /Users/John-home/Library/Application Support/minecraft/versions/1.8.6/1.8.6.jar for job 'Version & Libraries': Local file matches hash, using that
[08:46:25 INFO]: Job 'Version & Libraries' finished successfully (took 0:00:00.805)
[08:46:25 INFO]: Launching game
[08:46:25 INFO]: Unpacking natives to /Users/John-home/Library/Application Support/minecraft/versions/1.8.6/1.8.6-natives-507373672541

P.S. it effects all my minecraft versions