FTB won't launch when launch is clicked

  • Tech Support section is for getting help with FTB related problems. If there's a repeatable issue that can be labeled as a bug, then please use the issue tracker for the pack or the app at GitHub issue trackers - If there's no repository for a pack that means that the pack is old and/or will not be updated. Bugs for older packs will not be fixed, unless they are critical.
C

Calber

Guest
Title FTB won't launch when launch is clicked

Launcher Type FTB Launcher

Modpack

Modpack version

Have you modified the pack? No

Link to log file

Details of the issue I'm not sure what's going on, the launcher loads up fine but when I actually try to launch a mod pack it thinks about it for a few seconds then does nothing

It is a problem on my end? Do I need to change/download anything to help it work?
Any help would be greatly appreciated


Posted from FTB Launcher
[03:20:31] [DEBUG] LaunchFrame.main:219: FTB Launcher CI Build #: 203, Git SHA: 9b3092c84c648524d65019efecfa000588d7773e
[03:20:31] [INFO] JGoogleAnalyticsTracker$2.run:484: AnalyticsBackgroundThread started
[03:20:31] [INFO] LaunchFrameHelpers.printInfo:33: FTBLaunch starting up (version 1.4.3 Build: 10403)
[03:20:31] [INFO] LaunchFrameHelpers.printInfo:34: Java version: 1.8.0_111
[03:20:31] [INFO] LaunchFrameHelpers.printInfo:35: Java vendor: Oracle Corporation
[03:20:31] [INFO] LaunchFrameHelpers.printInfo:36: Java home: C:\Program Files\Java 2
[03:20:31] [INFO] LaunchFrameHelpers.printInfo:37: Java specification: Java Virtual Machine Specification version: 1.8 by Oracle Corporation
[03:20:31] [INFO] LaunchFrameHelpers.printInfo:39: Java vm: Java HotSpot(TM) 64-Bit Server VM version: 25.111-b14 by Oracle Corporation
[03:20:31] [INFO] LaunchFrameHelpers.printInfo:40: OS: Windows 8.1 6.3 (64-bit)
[03:20:31] [INFO] LaunchFrameHelpers.printInfo:41: Launcher Install Dir: C:\FTB
[03:20:31] [INFO] LaunchFrameHelpers.printInfo:42: System memory: 4573M free, 8124M total
[03:20:31] [INFO] JavaFinder.parseJavaVersion:166: The FTB Launcher has found the following Java versions installed:
[03:20:31] [INFO] JavaFinder.parseJavaVersion:168: Java Version: 1.8.0_111 sorted as: 1.8.0_111 64 Bit Java at : C:\Program Files\Java 2\bin\java.exe
[03:20:31] [INFO] JavaFinder.parseJavaVersion:168: Java Version: 1.8.0_111 sorted as: 1.8.0_111 64 Bit Java at : C:\Program Files\Java 2\bin\java.exe
[03:20:31] [INFO] JavaFinder.parseJavaVersion:194: Preferred: Java Version: 1.8.0_111 sorted as: 1.8.0_111 64 Bit Java at : C:\Program Files\Java 2\bin\java.exe
[03:20:31] [INFO] DownloadUtils.run:427: DownloadUtils.run() starting
[03:20:31] [DEBUG] DownloadUtils.run:447: Balance Settings: 0.99999 > 0.13820894620372404
[03:20:31] [INFO] DownloadUtils.run:449: Balance has selected Automatic:CurseCDN
[03:20:31] [DEBUG] Benchmark.logBenchAs:71: Download Utils Bal took 141 ms.
[03:20:31] [INFO] I18N.addFiles:91: [i18n] Fallback enUS loaded
[03:20:31] [INFO] I18N.setLocale:114: [i18n] enUS English (US) language file loaded!
[03:20:31] [DEBUG] Benchmark.logBenchAs:71: Download Utils Curse took 188 ms.
[03:20:31] [INFO] DownloadUtils.run:507: DL ready
[03:20:31] [INFO] DownloadUtils.run:539: Using download server Automatic:CurseCDN on host ftb.cursecdn.com (52.84.207.81)
[03:20:31] [DEBUG] Benchmark.logBenchAs:71: Download Utils Init took 188 ms.
[03:20:31] [DEBUG] OSUtils.getMacAddress:343: Interface: Intel(R) Centrino(R) Wireless-N 2230 : wlan0
[03:20:31] [DEBUG] PiwikTracker.run:52: Tracker request failed. Return code: 502
[03:20:31] [DEBUG] PiwikTracker.run:52: Tracker request failed. Return code: 502
[03:20:32] [INFO] OptionsPane.<init>:153: [i18n] Added 0 enUS to options pane
[03:20:32] [INFO] OptionsPane.<init>:153: [i18n] Added 1 cyGB to options pane
[03:20:32] [INFO] OptionsPane.<init>:153: [i18n] Added 2 daDK to options pane
[03:20:32] [INFO] OptionsPane.<init>:153: [i18n] Added 3 deDE to options pane
[03:20:32] [INFO] OptionsPane.<init>:153: [i18n] Added 4 enUS to options pane
[03:20:32] [INFO] OptionsPane.<init>:153: [i18n] Added 5 enGB to options pane
[03:20:32] [INFO] OptionsPane.<init>:153: [i18n] Added 6 esES to options pane
[03:20:32] [INFO] OptionsPane.<init>:153: [i18n] Added 7 fiFI to options pane
[03:20:32] [INFO] OptionsPane.<init>:153: [i18n] Added 8 frFR to options pane
[03:20:32] [INFO] OptionsPane.<init>:153: [i18n] Added 9 itIT to options pane
[03:20:32] [INFO] OptionsPane.<init>:153: [i18n] Added 10 nlNL to options pane
[03:20:32] [INFO] OptionsPane.<init>:153: [i18n] Added 11 noNO to options pane
[03:20:32] [INFO] OptionsPane.<init>:153: [i18n] Added 12 maHU to options pane
[03:20:32] [INFO] OptionsPane.<init>:153: [i18n] Added 13 ptBR to options pane
[03:20:32] [INFO] OptionsPane.<init>:153: [i18n] Added 14 ptPT to options pane
[03:20:32] [INFO] OptionsPane.<init>:153: [i18n] Added 15 ruRU to options pane
[03:20:32] [INFO] OptionsPane.<init>:153: [i18n] Added 16 svSE to options pane
[03:20:32] [INFO] OptionsPane.<init>:153: [i18n] Added 17 zhCN to options pane
[03:20:32] [INFO] I18N.setLocale:114: [i18n] enUS English (US) language file loaded!
[03:20:32] [DEBUG] AuthlibDLWorker.doInBackground:57: Loading Authlib...
[03:20:32] [ERROR] HttpURLConnection.getInputStream0:-1->UnreadNewsWorker.doInBackground:71: Error while checking news: java.io.IOException: Server returned HTTP response code: 403 for URL: http://launcher.feed-the-beast.com/newsupdate.php
sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
java.net.URL.openStream(Unknown Source)
net.ftb.workers.UnreadNewsWorker.doInBackground(UnreadNewsWorker.java:45)
net.ftb.workers.UnreadNewsWorker.doInBackground(UnreadNewsWorker.java:38)
javax.swing.SwingWorker$1.call(Unknown Source)
java.util.concurrent.FutureTask.run(Unknown Source)
javax.swing.SwingWorker.run(Unknown Source)
java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
java.lang.Thread.run(Unknown Source)
[03:20:32] [DEBUG] UpdateChecker.<init>:70: Launcher Install path: C:\Users\Sidney\Downloads\FTB_Launcher.exe
[03:20:33] [INFO] AuthlibDLWorker.downloadJars:132: Local Authlib Version is good, skipping Download
[03:20:33] [INFO] AuthlibDLWorker.doInBackground:67: Adding Authlib to Classpath
[03:20:33] [DEBUG] Benchmark.logBenchAs:71: Authlib DL Worker Init took 1141 ms.
[03:20:33] [DEBUG] UpdateChecker.shouldUpdate:131: updater: buildjenk 203 < betajenk 341|| version 10403 < 10408
[03:20:33] [DEBUG] UpdateChecker.shouldUpdate:132: latest = 10403
[03:20:33] [INFO] ModpackLoader.run:70: Loading modpack information for modpacks.xml...
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 1 (FTB Infinity Lite 1.10)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 2 (FTB Presents Direwolf20 1.10)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 3 (FTB Presents HermitPack)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 4 (FTB Infinity Evolved 1.7)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 5 (FTB Unstable 1.10)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 6 (FTB Inventions)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 7 (FTB Presents Crackpack)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 8 (FTB Presents Skyfactory 2.5)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 9 (FTB Infinity Evolved Skyblock)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 10 (FTB Horizons: Daybreaker)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 11 (FTB Vanilla+)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 12 (FTB Departed)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 13 (FTB Trident)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 14 (FTB Presents Cloud 9)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 15 (FTB Presents Direwolf20)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 16 (FTB Lite 3)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 17 (FTB Mage Quest)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 18 (FTB Resurrection)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 19 (Pax Prime 2015 Map)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 20 (Monster)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 21 (Direwolf20)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 22 (Horizons)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 23 (Tech World 2)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 24 (Magic World 2)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 25 (FTBLite2)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 26 (FTB Unleashed)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 27 (FTB Ultimate)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 28 (Unstable 1.7.x (Public Beta Test Pack))
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 29 (FTB Lite)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 30 (Direwolf20 1.5 v2)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 31 (Direwolf20 Pack)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 32 (MindCrack Pack)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 33 (YogCraft Modpack)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 34 (FTB Unhinged)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 35 (Magic World)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 36 (Tech World)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 37 (Pax South 2015 Map)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 38 (Pax Prime 2014 Map)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 39 (Pax East 2014 Map)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 40 (Pax Challenge Pack 2013)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 41 (Feed The Beast Retro SSP)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 42 (Feed The Beast Retro SMP)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 43 (Slow's Stream Pack)
[03:20:34] [INFO] AbstractModPackPane$3.run:154: Adding FTB Pack: 44 (Feed The Beast Beta Pack A)
[03:20:35] [INFO] ModpackLoader.run:70: Loading modpack information for thirdparty.xml...
[03:20:35] [DEBUG] ModpackLoader.run:139: All packlists loaded
[03:20:35] [DEBUG] Benchmark.logBenchAs:71: Modpack Loader Init took 3033 ms.
[03:20:35] [INFO] MapLoader.run:46: loading map information...
[03:20:35] [INFO] TexturePackLoader.run:46: loading texture pack information...
[03:20:35] [INFO] AbstractModPackPane$3.run:154: Adding Third Party Pack: 1 (Space Astronomy)
[03:20:35] [INFO] AbstractModPackPane$3.run:154: Adding Third Party Pack: 2 (InfiTech 2)
[03:20:35] [INFO] AbstractModPackPane$3.run:154: Adding Third Party Pack: 3 (TerraFirmaPunk)
[03:20:35] [INFO] AbstractModPackPane$3.run:154: Adding Third Party Pack: 4 (The Ferret Business)
[03:20:35] [INFO] AbstractModPackPane$3.run:154: Adding Third Party Pack: 5 (Simply Magic)
[03:20:35] [INFO] AbstractModPackPane$3.run:154: Adding Third Party Pack: 6 (BeeHappy)
[03:20:35] [INFO] AbstractModPackPane$3.run:154: Adding Third Party Pack: 7 (Regrowth)
[03:20:35] [INFO] AbstractModPackPane$3.run:154: Adding Third Party Pack: 8 (Crash Landing)
[03:20:35] [INFO] AbstractModPackPane$3.run:154: Adding Third Party Pack: 9 (Agrarian Skies: Hardcore Quest)
[03:20:35] [INFO] AbstractModPackPane$3.run:154: Adding Third Party Pack: 10 (Vanilla Minecraft)
[03:20:36] [INFO] TexturepackPane$6.run:257: Adding texture pack 1 (Soartex Fanver)
[03:20:36] [DEBUG] Benchmark.logBenchAs:71: Texture Pack Load took 1032 ms.
[03:20:36] [INFO] TexturepackPane$6.run:257: Adding texture pack 2 (Jadedcat Mixpack)
[03:20:36] [DEBUG] Benchmark.logBenchAs:71: MapLoader run took 1047 ms.
[03:20:36] [INFO] TexturepackPane$6.run:257: Adding texture pack 3 (Invictus)
[03:20:36] [INFO] TexturepackPane$6.run:257: Adding texture pack 4 (Faithful)
[03:20:36] [INFO] TexturepackPane$6.run:257: Adding texture pack 5 (JohnSmith Technicians Remix)
[03:20:36] [INFO] TexturepackPane$6.run:257: Adding texture pack 6 (Familiar yet Different)
[03:20:36] [DEBUG] Benchmark.logBenchAs:71: Launcher Startup took 5369 ms.
[03:20:36] [INFO] MapUtils$6.run:266: Adding map 1 (FTB Trident Default Map)
[03:20:36] [INFO] MapUtils$6.run:266: Adding map 2 (Agrarian Skies Default Map)
[03:20:36] [INFO] MapUtils$6.run:266: Adding map 3 (Agrarian Skies Flat Map)
[03:20:36] [INFO] MapUtils$6.run:266: Adding map 4 (Agrarian Skies Server Map)
[03:20:36] [INFO] MapUtils$6.run:266: Adding map 5 (Direwolf20 Map Ep.0)
[03:20:36] [INFO] MapUtils$6.run:266: Adding map 6 (FTB Pax Challenge)
[03:20:36] [INFO] MapUtils$6.run:266: Adding map 7 (Direwolf20 Map Ep.0)
[03:20:36] [INFO] MapUtils$6.run:266: Adding map 8 (Direwolf20 Map Ep.10)
[03:20:36] [INFO] MapUtils$6.run:266: Adding map 9 (Direwolf20 Map Ep.20)
[03:20:36] [INFO] MapUtils$6.run:266: Adding map 10 (Direwolf20 Map Ep.30)
[03:20:36] [INFO] MapUtils$6.run:266: Adding map 11 (Direwolf20 Map Ep.40)
[03:20:36] [INFO] MapUtils$6.run:266: Adding map 12 (Direwolf20 Map Ep.50)
[03:20:36] [INFO] MapUtils$6.run:266: Adding map 13 (Direwolf20 Map Ep.80)
[03:20:36] [INFO] MapUtils$6.run:266: Adding map 14 (FTB Normal)
[03:20:36] [INFO] MapUtils$6.run:266: Adding map 15 (FTB Insanity)
[03:20:36] [DEBUG] Benchmark.logBenchAs:71: Launcher Startup took 5431 ms.
[03:20:39] [INFO] LaunchFrame.doLogin:719: Logging in...
[03:20:39] [INFO] AuthlibHelper.authenticateWithAuthlib:60: Beginning authlib authentication attempt
[03:20:39] [INFO] AuthlibHelper.authenticateWithAuthlib:61: successfully created YggdrasilAuthenticationService
[03:20:39] [DEBUG] AuthlibHelper.authenticateWithAuthlib:68: mojangData was passed to current method
[03:20:39] [DEBUG] AuthlibHelper.authenticateWithAuthlib:71: Loading mojangData into authlib
[03:20:40] [DEBUG] AuthlibHelper.authenticateWithAuthlib:120: Authentication is valid
[03:20:40] [DEBUG] AuthlibHelper.authenticateWithAuthlib:123: loggedIn() && CanPlayOnline()
[03:20:40] [DEBUG] AuthlibHelper.authenticateWithAuthlib:127: Authentication done, returning LoginResponse
[03:20:40] [DEBUG] Benchmark.logBenchAs:71: Login Worker Run took 1515 ms.
[03:20:40] [DEBUG] LaunchFrame$15.done:761: responseStr: good
[03:20:40] [INFO] LaunchFrame$15.done:764: Login complete.
[03:20:40] [DEBUG] User.writeObject:168: starting...
[03:20:40] [DEBUG] LaunchFrame$15.done:768: user data saved
[03:20:40] [DEBUG] LaunchFrame.runGameUpdater:812: ForceUpdate: false
[03:20:40] [DEBUG] LaunchFrame.runGameUpdater:813: installPath: C:\FTB
[03:20:40] [DEBUG] LaunchFrame.runGameUpdater:814: pack dir: FTBInfinityLite110
[03:20:40] [DEBUG] LaunchFrame.runGameUpdater:815: pack check path: FTBInfinityLite110\version
[03:20:40] [INFO] MCInstaller.gatherAssets:116: Checking local assets file, for MC version1.10.2 Please wait!
[03:20:40] [DEBUG] MCInstaller.gatherAssets:133: Checking minecraft.jar
[03:20:42] [WARN] DownloadUtils.getStaticCreeperhostLinkOrBackup:132: Using backupLink for mcjsons/versions/1.10.2/1.10.2.json
[03:20:44] [DEBUG] MCInstaller.gatherAssets:146: checking minecraft libraries
[03:20:44] [DEBUG] MCInstaller.gatherAssets:167: Checking pack libararies
[03:20:44] [DEBUG] MCInstaller.gatherAssets:230: Checking minecraft assets
[03:20:45] [DEBUG] MCInstaller.gatherAssets:245: Starting TaskHandler to check MC assets
[03:20:45] [DEBUG] Benchmark.logBenchAs:71: parallel asset check took 219 ms.
[03:20:45] [INFO] MCInstaller.launchMinecraft:293: Setting up native libraries for FTB Infinity Lite 1.10 v Recommended Version MC 1.10.2
[03:20:47] [INFO] MCLauncher.syncAssets:257: Syncing Assets:
[03:20:47] [INFO] MCLauncher.setupLegacyStuff:353: Not loading any FML libs, as the directory does not exist.
[03:20:47] [INFO] MCLauncher.launchMinecraft:80: Java Path: C:\Program Files\Java 2\bin\javaw.exe
[03:20:47] [INFO] MCLauncher.launchMinecraft:81: Pack: FTB Infinity Lite 1.10 1.10.2
[03:20:47] [INFO] MCLauncher.setMemory:240: Setting MinMemory to 256
[03:20:47] [INFO] MCLauncher.setMemory:242: Setting MaxMemory to 4096
[03:20:47] [INFO] MCLauncher.launchMinecraft:103: Defaulting PermSize to 256m
Loading jars...
Added URL to classpath: file:/C:/FTB/FTBInfinityLite110/instMods/MinecraftForge.zip
Added URL to classpath: file:/C:/FTB/FTBInfinityLite110/minecraft/bin/minecraft.jar
Loading natives...
Natives loaded...
Loading minecraft class
Nov 23, 2016 3:20:47 AM net.ftb.legacylaunch.Launch main
SEVERE: Unhandled error launching minecraft
java.lang.ClassNotFoundException: net.minecraft.client.Minecraft
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at net.ftb.legacylaunch.Launch.main(Launch.java:85)
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option PermSize=256m; support was removed in 8.0
[03:20:48] [DEBUG] PiwikTracker.run:52: Tracker request failed. Return code: 502
[03:20:49] [ERROR] HttpURLConnection.getInputStream0:-1->UnreadNewsWorker.doInBackground:71: Error while checking news: java.io.IOException: Server returned HTTP response code: 403 for URL: http://launcher.feed-the-beast.com/newsupdate.php
sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
java.net.URL.openStream(Unknown Source)
net.ftb.workers.UnreadNewsWorker.doInBackground(UnreadNewsWorker.java:45)
net.ftb.workers.UnreadNewsWorker.doInBackground(UnreadNewsWorker.java:38)
javax.swing.SwingWorker$1.call(Unknown Source)
java.util.concurrent.FutureTask.run(Unknown Source)
javax.swing.SwingWorker.run(Unknown Source)
java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
java.lang.Thread.run(Unknown Source)
 
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