I don't know what is this but when evry time I launch any mod pack with one is 1.7.10 version it doesn't work and console says - Error while running launchMinecraft(): java.lang.NullPointerException. Can someone help ???
This is full crash log -
[22:06:31] [INFO] LaunchFrame.doLogin:719: Logging in...
[22:06:31] [DEBUG] LaunchFrame$15.done:761: responseStr: good
[22:06:31] [INFO] LaunchFrame$15.done:764: Login complete.
[22:06:31] [DEBUG] User.writeObject:168: starting...
[22:06:31] [DEBUG] LaunchFrame$15.done:768: user data saved
[22:06:31] [DEBUG] LaunchFrame.runGameUpdater:812: ForceUpdate: false
[22:06:31] [DEBUG] LaunchFrame.runGameUpdater:813: installPath: C:\FTB
[22:06:31] [DEBUG] LaunchFrame.runGameUpdater:814: pack dir: direwolf20_17
[22:06:31] [DEBUG] LaunchFrame.runGameUpdater:815: pack check path: direwolf20_17\version
[22:06:31] [INFO] MCInstaller.gatherAssets:116: Checking local assets file, for MC version1.7.10 Please wait!
[22:06:31] [DEBUG] MCInstaller.gatherAssets:133: Checking minecraft.jar
[22:06:31] [DEBUG] MCInstaller.gatherAssets:146: checking minecraft libraries
[22:06:31] [DEBUG] MCInstaller.gatherAssets:167: Checking pack libararies
[22:06:31] [DEBUG] MCInstaller.gatherAssets:230: Checking minecraft assets
[22:06:32] [DEBUG] MCInstaller.gatherAssets:245: Starting TaskHandler to check MC assets
[22:06:32] [DEBUG] Benchmark.logBenchAs:71: parallel asset check took 437 ms.
[22:06:32] [INFO] MCInstaller.launchMinecraft:293: Setting up native libraries for Direwolf20 v Recommended Version MC 1.7.10
[22:06:33] [INFO] MCLauncher.syncAssets:258: Syncing Assets:
[22:06:33] [INFO] MCLauncher.launchMinecraft:81: Java Path: C:\Program Files\Java\jre1.8.0_25\bin\javaw.exe
[22:06:33] [INFO] MCLauncher.launchMinecraft:82: Pack: Direwolf20 1.7.10
[22:06:33] [INFO] MCLauncher.setMemory:241: Setting MinMemory to 256
[22:06:33] [INFO] MCLauncher.setMemory:243: Setting MaxMemory to 7936
[22:06:33] [INFO] MCLauncher.launchMinecraft:104: Defaulting PermSize to 256m
[22:06:33] [INFO] MCLauncher.launchMinecraft:129: Adding Optimization Arguments
[22:06:33] [ERROR] ProcessBuilder.start:-1->MCInstaller.launchMinecraft:409: Error while running launchMinecraft(): java.lang.NullPointerException
java.lang.ProcessBuilder.start(Unknown Source)
net.ftb.minecraft.MCLauncher.launchMinecraft(MCLauncher.java:232)
net.ftb.minecraft.MCInstaller.launchMinecraft(MCInstaller.java:364)
net.ftb.minecraft.MCInstaller.setupNewStyle(MCInstaller.java:103)
net.ftb.gui.LaunchFrame.runGameUpdater(LaunchFrame.java:852)
net.ftb.gui.LaunchFrame.access$800(LaunchFrame.java:99)
net.ftb.gui.LaunchFrame$15.done(LaunchFrame.java:772)
javax.swing.SwingWorker$5.run(Unknown Source)
javax.swing.SwingWorker$DoSubmitAccumulativeRunnable.run(Unknown Source)
sun.swing.AccumulativeRunnable.run(Unknown Source)
javax.swing.SwingWorker$DoSubmitAccumulativeRunnable.actionPerformed(Unknown Source)
javax.swing.Timer.fireActionPerformed(Unknown Source)
javax.swing.Timer$DoPostEvent.run(Unknown Source)
java.awt.event.InvocationEvent.dispatch(Unknown Source)
java.awt.EventQueue.dispatchEventImpl(Unknown Source)
java.awt.EventQueue.access$400(Unknown Source)
java.awt.EventQueue$3.run(Unknown Source)
java.awt.EventQueue$3.run(Unknown Source)
java.security.AccessController.doPrivileged(Native Method)
java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
java.awt.EventQueue.dispatchEvent(Unknown Source)
java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
java.awt.EventDispatchThread.pumpEvents(Unknown Source)
java.awt.EventDispatchThread.pumpEvents(Unknown Source)
java.awt.EventDispatchThread.run(Unknown Source)
[22:06:33] [DEBUG] Benchmark.logBenchAs:71: UnreadNews Init took 305 ms.
This is full crash log -
[22:06:31] [INFO] LaunchFrame.doLogin:719: Logging in...
[22:06:31] [DEBUG] LaunchFrame$15.done:761: responseStr: good
[22:06:31] [INFO] LaunchFrame$15.done:764: Login complete.
[22:06:31] [DEBUG] User.writeObject:168: starting...
[22:06:31] [DEBUG] LaunchFrame$15.done:768: user data saved
[22:06:31] [DEBUG] LaunchFrame.runGameUpdater:812: ForceUpdate: false
[22:06:31] [DEBUG] LaunchFrame.runGameUpdater:813: installPath: C:\FTB
[22:06:31] [DEBUG] LaunchFrame.runGameUpdater:814: pack dir: direwolf20_17
[22:06:31] [DEBUG] LaunchFrame.runGameUpdater:815: pack check path: direwolf20_17\version
[22:06:31] [INFO] MCInstaller.gatherAssets:116: Checking local assets file, for MC version1.7.10 Please wait!
[22:06:31] [DEBUG] MCInstaller.gatherAssets:133: Checking minecraft.jar
[22:06:31] [DEBUG] MCInstaller.gatherAssets:146: checking minecraft libraries
[22:06:31] [DEBUG] MCInstaller.gatherAssets:167: Checking pack libararies
[22:06:31] [DEBUG] MCInstaller.gatherAssets:230: Checking minecraft assets
[22:06:32] [DEBUG] MCInstaller.gatherAssets:245: Starting TaskHandler to check MC assets
[22:06:32] [DEBUG] Benchmark.logBenchAs:71: parallel asset check took 437 ms.
[22:06:32] [INFO] MCInstaller.launchMinecraft:293: Setting up native libraries for Direwolf20 v Recommended Version MC 1.7.10
[22:06:33] [INFO] MCLauncher.syncAssets:258: Syncing Assets:
[22:06:33] [INFO] MCLauncher.launchMinecraft:81: Java Path: C:\Program Files\Java\jre1.8.0_25\bin\javaw.exe
[22:06:33] [INFO] MCLauncher.launchMinecraft:82: Pack: Direwolf20 1.7.10
[22:06:33] [INFO] MCLauncher.setMemory:241: Setting MinMemory to 256
[22:06:33] [INFO] MCLauncher.setMemory:243: Setting MaxMemory to 7936
[22:06:33] [INFO] MCLauncher.launchMinecraft:104: Defaulting PermSize to 256m
[22:06:33] [INFO] MCLauncher.launchMinecraft:129: Adding Optimization Arguments
[22:06:33] [ERROR] ProcessBuilder.start:-1->MCInstaller.launchMinecraft:409: Error while running launchMinecraft(): java.lang.NullPointerException
java.lang.ProcessBuilder.start(Unknown Source)
net.ftb.minecraft.MCLauncher.launchMinecraft(MCLauncher.java:232)
net.ftb.minecraft.MCInstaller.launchMinecraft(MCInstaller.java:364)
net.ftb.minecraft.MCInstaller.setupNewStyle(MCInstaller.java:103)
net.ftb.gui.LaunchFrame.runGameUpdater(LaunchFrame.java:852)
net.ftb.gui.LaunchFrame.access$800(LaunchFrame.java:99)
net.ftb.gui.LaunchFrame$15.done(LaunchFrame.java:772)
javax.swing.SwingWorker$5.run(Unknown Source)
javax.swing.SwingWorker$DoSubmitAccumulativeRunnable.run(Unknown Source)
sun.swing.AccumulativeRunnable.run(Unknown Source)
javax.swing.SwingWorker$DoSubmitAccumulativeRunnable.actionPerformed(Unknown Source)
javax.swing.Timer.fireActionPerformed(Unknown Source)
javax.swing.Timer$DoPostEvent.run(Unknown Source)
java.awt.event.InvocationEvent.dispatch(Unknown Source)
java.awt.EventQueue.dispatchEventImpl(Unknown Source)
java.awt.EventQueue.access$400(Unknown Source)
java.awt.EventQueue$3.run(Unknown Source)
java.awt.EventQueue$3.run(Unknown Source)
java.security.AccessController.doPrivileged(Native Method)
java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
java.awt.EventQueue.dispatchEvent(Unknown Source)
java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
java.awt.EventDispatchThread.pumpEvents(Unknown Source)
java.awt.EventDispatchThread.pumpEvents(Unknown Source)
java.awt.EventDispatchThread.run(Unknown Source)
[22:06:33] [DEBUG] Benchmark.logBenchAs:71: UnreadNews Init took 305 ms.
Last edited: