mojira.dev
MCL-450

Fatal error launching game (java.lang.NullPointerException:getMinecraftArguments)

Resolved
Invalid
0

Trying to launch a custom game by using the profile feature failes with the folling error (the whole log is posted, default profile works without a problem):

Launcher 0.9.2 (Dev) (through bootstrap 2) started on windows...
System.getProperty('os.name') == 'Windows 7'
System.getProperty('os.version') == '6.1'
System.getProperty('os.arch') == 'amd64'
System.getProperty('java.version') == '1.7.0_21'
System.getProperty('java.vendor') == 'Oracle Corporation'
Going to log in with legacy stored username & password...
Loaded 2 profile(s); selected 'BlueCreaper 1.5.2 Optifine'
Trying to log in...
Delta time to compare resources: 376 ms 
Download job 'Resources' skipped as there are no files to download
Job 'Resources' finished successfully
Logged in successfully
Getting syncinfo for selected version
Queueing library & version downloads
Download job 'Version & Libraries' started (8 threads, 1 files)
Finished downloading C:\Users\Apple\AppData\Roaming\.minecraft\versions\1.5.2-Optifine\1.5.2-Optifine.jar for job 'Version & Libraries': Couldn't connect to server (responded with 403) but have local file, assuming it's good
Job 'Version & Libraries' finished successfully
Launching game
Unpacking natives to C:\Users\Apple\AppData\Roaming\.minecraft\versions\1.5.2-Optifine\1.5.2-Optifine-natives-5310545505744
Launching in C:\Users\Apple\AppData\Roaming\.minecraft
Fatal error launching game. Report this to http://mojang.atlassian.net please!
java.lang.NullPointerException
	at net.minecraft.launcher.GameLauncher.getMinecraftArguments(GameLauncher.java:233)
	at net.minecraft.launcher.GameLauncher.launchGame(GameLauncher.java:187)
	at net.minecraft.launcher.GameLauncher.onDownloadJobFinished(GameLauncher.java:385)
	at net.minecraft.launcher.updater.download.DownloadJob.popAndDownload(DownloadJob.java:95)
	at net.minecraft.launcher.updater.download.DownloadJob.access$000(DownloadJob.java:10)
	at net.minecraft.launcher.updater.download.DownloadJob$1.run(DownloadJob.java:65)
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
	at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
	at java.util.concurrent.FutureTask.run(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)

Linked issues

is duplicated by 46

MCL-2227 I can't click play. Resolved MC-61891 minecraft does not start Resolved MC-76132 I can't play my minecraft, and I don't know why :( Resolved MC-78929 fatal error launching game ( play button greyed out) Resolved MC-82304 help my minecraft Resolved
41 more links

Comments 3

Things changed, make your custom profile again.

i also have it:

Launcher 0.9.2 (Dev) (through bootstrap 2) started on windows...
System.getProperty('os.name') == 'Windows 8'
System.getProperty('os.version') == '6.2'
System.getProperty('os.arch') == 'amd64'
System.getProperty('java.version') == '1.7.0_21'
System.getProperty('java.vendor') == 'Oracle Corporation'
Loaded 3 profile(s); selected '1.5.2 Mod'
Delta time to compare resources: 485 ms 
Download job 'Resources' skipped as there are no files to download
Job 'Resources' finished successfully
Trying to log in...
Logged in successfully
Getting syncinfo for selected version
Queueing library & version downloads
Download job 'Version & Libraries' started (8 threads, 1 files)
Finished downloading C:\Users\Niklas\AppData\Roaming\.minecraft\versions\1.5.2 Mod\1.5.2 Mod.jar for job 'Version & Libraries': Couldn't connect to server (responded with 505) but have local file, assuming it's good
Job 'Version & Libraries' finished successfully
Launching game
Unpacking natives to C:\Users\Niklas\AppData\Roaming\.minecraft\versions\1.5.2 Mod\1.5.2 Mod-natives-163918727687295
Launching in C:\Users\Niklas\AppData\Roaming\.minecraft
Fatal error launching game. Report this to http://mojang.atlassian.net please!
java.lang.NullPointerException
	at net.minecraft.launcher.GameLauncher.getMinecraftArguments(GameLauncher.java:233)
	at net.minecraft.launcher.GameLauncher.launchGame(GameLauncher.java:187)
	at net.minecraft.launcher.GameLauncher.onDownloadJobFinished(GameLauncher.java:385)
	at net.minecraft.launcher.updater.download.DownloadJob.popAndDownload(DownloadJob.java:95)
	at net.minecraft.launcher.updater.download.DownloadJob.access$000(DownloadJob.java:10)
	at net.minecraft.launcher.updater.download.DownloadJob$1.run(DownloadJob.java:65)
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
	at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
	at java.util.concurrent.FutureTask.run(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)

it worked on Dev Launcher 0.9.1 but not on 0.9.2

So for me it works now i just had to copy and paste the minecraft.json and change the 2 minecraft names.

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