mojira.dev

Nicola Gusso

Assigned

No issues.

Reported

MCL-12616 Minecraft Launcher won't open Duplicate MC-132369 Giant Mushroom doesn't render correctly on a map Duplicate

Comments

Hello, I found this issue also on 1.19.3. After clicking [Shift + Alt] it disappeared.

This bug is still present with farmers.

I healed a Zombie Villager in order to have better prices. 

After that I made him a farmer with the following trades:

  • 14 wheat for 1 emerald;

  • 16 carrots for 1 emerald;

After trading a bunch of carrots the trades became as follows:

  • 14 wheat --> 1 emerald;

  • 33 carrots --> 1 emerald;

 

The same happened yesterday with another farmer (healed), with a little difference: this time I traded a bunch of emerald for golden carrots and the first trade from 14 wheat for 1 emerald became 22 wheat for 1 emerald. After a while the trade returned to its original state.

I've checked the log file of another minecraft installation on windows 10 (always java edition). In this case, even without the launcher_skins.json the starting procedure of the launcher goes on without any problem and the launcher window apear as usual.

Any news on this bug?

In my case the launcher_skins.json file wasn't even in the .minecraft folder.

I replaced it with a dummy one (containing an empty object "{}") but the launcher window still doesn't apear.

Any news on thi bug? I've made a new post MCL-12616, sorry but i didn't know the problem was already submitted to the bug list.

Even creating a dummy launcher_skins.json file with an empty object (like this "{}") the launcher window doesn't apear.

After toying with the launcher_skins.json file that is missing in my case the log change in:

[Info: 2019-11-19 20:43:37.5239378: Common.cpp(37)] Launcher dir: C:\Program Files (x86)\Minecraft Launcher\game
[Info: 2019-11-19 20:43:37.5239492: Common.cpp(38)] Java dir: C:\Program Files (x86)\Minecraft Launcher\runtime\jre-x64
[Info: 2019-11-19 20:43:37.5239612: Common.cpp(39)] TmpDir dir: C:\Users\NICOLA~1\AppData\Local\Temp\MinecraftLauncher
[Info: 2019-11-19 20:43:37.5239717: Common.cpp(40)] x64: 1
[Info: 2019-11-19 20:43:37.5239893: LauncherConfiguration.cpp(240)] Using configuration at path: C:\Users\Nicola Gusso\AppData\Roaming\.minecraft\launcher_profiles.json
[Info: 2019-11-19 20:43:37.5246785: LauncherConfiguration.cpp(52)] [DATA]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[Info: 2019-11-19 20:43:37.5262179: NetQueue.cpp(528)] NetQueue: worker thread started.
[Info: 2019-11-19 20:43:37.5295717: NetQueue.cpp(543)] NetQueue: Starting net action https://launchermeta.mojang.com/v1/products/launcher/d03cf0cf95cce259fa9ea3ab54b65bd28bb0ae82/windows-x86.json
[Info: 2019-11-19 20:43:37.7842440: NetQueue.cpp(408)] NetQueue: Primary ip: 143.204.2.134, Url: launchermeta.mojang.com
[Info: 2019-11-19 20:43:37.7842776: NetQueue.cpp(480)] NetQueue: Action finished: https://launchermeta.mojang.com/v1/products/launcher/d03cf0cf95cce259fa9ea3ab54b65bd28bb0ae82/windows-x86.json
[Info: 2019-11-19 20:43:37.7845527: LauncherConfiguration.cpp(151)] Deciding on update with strategy 2 and clientID 123
[Info: 2019-11-19 20:43:37.7845779: LauncherConfiguration.cpp(167)] Version of launcher-bootstrap is current, no action is necessary.
[Info: 2019-11-19 20:43:37.7845940: LauncherConfiguration.cpp(200)] Bootstrap is current
[Info: 2019-11-19 20:43:37.7847031: LauncherConfiguration.cpp(151)] Deciding on update with strategy 2 and clientID 123
[Info: 2019-11-19 20:43:37.7847221: LauncherConfiguration.cpp(167)] Version of launcher-core is current, no action is necessary.
[Info: 2019-11-19 20:43:37.7847339: LauncherConfiguration.cpp(200)] Bootstrap is current
[Info: 2019-11-19 20:43:37.7848155: LauncherConfiguration.cpp(151)] Deciding on update with strategy 2 and clientID 123
[Info: 2019-11-19 20:43:37.7848339: LauncherConfiguration.cpp(167)] Version of jre-x64 is current, no action is necessary.
[Info: 2019-11-19 20:43:37.7848454: LauncherConfiguration.cpp(200)] Bootstrap is current
[Info: 2019-11-19 20:43:37.7848819: StartLibrary.cpp(68)] Starting C:\Program Files (x86)\Minecraft Launcher\game\launcher.dll with C:\Program Files (x86)\Minecraft Launcher\runtime\jre-x64\bin\javaw.exe
[Info: 2019-11-19 20:43:37.7959762: StartLibrary.cpp(80)] Running launcher!
[Info: 2019-11-19 20:43:37.7965051: LauncherMain.cpp(75)] Initiated models
[Info: 2019-11-19 20:43:37.7978291: LauncherMain.cpp(178)] Running Launcher
[Info: 2019-11-19 20:43:37.7980743: LauncherMain.cpp(84)] Initiated launcher controller
[Info: 2019-11-19 20:43:37.7983520: LauncherMain.cpp(199)] Initialization completed
[Info: 2019-11-19 20:43:37.7987295: LauncherMain.cpp(272)] Launcher core version: 2.1.9616 (ae1caa5360c733a20205fbe2920e2640d4ffc3cf)
[Info: 2019-11-19 20:43:37.7987848: NetQueue.cpp(204)] NetQueue: Setting up.

[Info: 2019-11-19 20:18:51.8604335: NetQueue.cpp(204)] NetQueue: Setting up.
[Info: 2019-11-19 20:18:51.8608482: Common.cpp(31)] Native Launcher Version: 601
[Info: 2019-11-19 20:18:51.8608909: Common.cpp(32)] Operating System: Windows Embedded 8.1 Industry Pro
[Info: 2019-11-19 20:18:51.8610144: Common.cpp(33)] Application Data directory: C:\Users\<user_folder>\AppData\Roaming\.minecraft
[Info: 2019-11-19 20:18:51.8610329: Common.cpp(34)] Executable Path: MinecraftLauncher.exe
[Info: 2019-11-19 20:18:51.8610457: Common.cpp(35)] App Directory dir: C:\Program Files (x86)\Minecraft Launcher
[Info: 2019-11-19 20:18:51.8610580: Common.cpp(36)] Game data directory: C:\Users\<user_folder>\AppData\Roaming\.minecraft
[Info: 2019-11-19 20:18:51.8610727: Common.cpp(37)] Launcher dir: C:\Program Files (x86)\Minecraft Launcher\game
[Info: 2019-11-19 20:18:51.8610850: Common.cpp(38)] Java dir: C:\Program Files (x86)\Minecraft Launcher\runtime\jre-x64
[Info: 2019-11-19 20:18:51.8610973: Common.cpp(39)] TmpDir dir: C:\Users\NICOLA~1\AppData\Local\Temp\MinecraftLauncher
[Info: 2019-11-19 20:18:51.8611113: Common.cpp(40)] x64: 1
[Info: 2019-11-19 20:18:51.8611283: LauncherConfiguration.cpp(240)] Using configuration at path: C:\Users\<user_folder>\AppData\Roaming\.minecraft\launcher_profiles.json
[Info: 2019-11-19 20:18:51.8612781: LauncherConfiguration.cpp(52)] [DATA]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[Info: 2019-11-19 20:18:51.8627171: NetQueue.cpp(528)] NetQueue: worker thread started.
[Info: 2019-11-19 20:18:51.8658005: NetQueue.cpp(543)] NetQueue: Starting net action https://launchermeta.mojang.com/v1/products/launcher/d03cf0cf95cce259fa9ea3ab54b65bd28bb0ae82/windows-x86.json
[Info: 2019-11-19 20:18:52.0667440: NetQueue.cpp(408)] NetQueue: Primary ip: 99.86.161.129, Url: launchermeta.mojang.com
[Info: 2019-11-19 20:18:52.0667764: NetQueue.cpp(480)] NetQueue: Action finished: https://launchermeta.mojang.com/v1/products/launcher/d03cf0cf95cce259fa9ea3ab54b65bd28bb0ae82/windows-x86.json
[Info: 2019-11-19 20:18:52.0670425: LauncherConfiguration.cpp(151)] Deciding on update with strategy 2 and clientID 123
[Info: 2019-11-19 20:18:52.0670679: LauncherConfiguration.cpp(167)] Version of launcher-bootstrap is current, no action is necessary.
[Info: 2019-11-19 20:18:52.0670843: LauncherConfiguration.cpp(200)] Bootstrap is current
[Info: 2019-11-19 20:18:52.0671879: LauncherConfiguration.cpp(151)] Deciding on update with strategy 2 and clientID 123
[Info: 2019-11-19 20:18:52.0672064: LauncherConfiguration.cpp(167)] Version of launcher-core is current, no action is necessary.
[Info: 2019-11-19 20:18:52.0672186: LauncherConfiguration.cpp(200)] Bootstrap is current
[Info: 2019-11-19 20:18:52.0672997: LauncherConfiguration.cpp(151)] Deciding on update with strategy 2 and clientID 123
[Info: 2019-11-19 20:18:52.0673181: LauncherConfiguration.cpp(167)] Version of jre-x64 is current, no action is necessary.
[Info: 2019-11-19 20:18:52.0673299: LauncherConfiguration.cpp(200)] Bootstrap is current
[Info: 2019-11-19 20:18:52.0673667: StartLibrary.cpp(68)] Starting C:\Program Files (x86)\Minecraft Launcher\game\launcher.dll with C:\Program Files (x86)\Minecraft Launcher\runtime\jre-x64\bin\javaw.exe
[Info: 2019-11-19 20:18:52.0784783: StartLibrary.cpp(80)] Running launcher!
[Info: 2019-11-19 20:18:52.0789688: LauncherMain.cpp(75)] Initiated models
[Info: 2019-11-19 20:18:52.0802901: LauncherMain.cpp(178)] Running Launcher
[Info: 2019-11-19 20:18:52.0805336: LauncherMain.cpp(84)] Initiated launcher controller
[Info: 2019-11-19 20:18:52.0808063: LauncherMain.cpp(199)] Initialization completed
[Info: 2019-11-19 20:18:52.0811628: LauncherMain.cpp(272)] Launcher core version: 2.1.9616 (ae1caa5360c733a20205fbe2920e2640d4ffc3cf)
[Info: 2019-11-19 20:18:52.0811991: NetQueue.cpp(204)] NetQueue: Setting up.
[Info: 2019-11-19 20:18:52.0816735: SkinManager.cpp(188)] Failed to read skins file: 'C:\Users\<user_folder>\AppData\Roaming\.minecraft\launcher_skins.json'

Could this bug be related to the renaming of internal IDs made in pre5?

I tried to regen with 18w20b an old world made with 18w16a (with seed -325079803) and I've got the same problem. Some times stuck at preparing spawn area 1% and other times the message doesn't even appear.

Some times the game manage to create a crash report (which i attach on this post), but in order to close the game I need to kill it with CTRL+ALT+CANC every time.

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