I tried to play yesterday. I tried uninstalling java and minecraft. It just stopped working...
17:54:56launcherPreparing to launch minecraft client for 1.12.2-forge1.12.2-14.23.1.258717:54:56launcherCouldn't get hash for jline/jline/2.13/jline-2.13.jar from http://files.minecraftforge.net/maven/jline/jline/2.13/jline-2.13.jar.sha1: HTTP 404: Not Found17:54:56launcherCouldn't get hash for org/scala-lang/scala-actors-migration_2.11/1.1.0/scala-actors-migration_2.11-1.1.0.jar from http://files.minecraftforge.net/maven/org/scala-lang/scala-actors-migration_2.11/1.1.0/scala-actors-migration_2.11-1.1.0.jar.sha1: HTTP 404: Not Found17:54:56launcherCouldn't get hash for net/minecraftforge/forge/1.12.2-14.23.1.2587/forge-1.12.2-14.23.1.2587.jar from http://files.minecraftforge.net/maven/net/minecraftforge/forge/1.12.2-14.23.1.2587/forge-1.12.2-14.23.1.2587.jar.sha1: HTTP 404: Not Found17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\net/minecraftforge/forge/1.12.2-14.23.1.2587/forge-1.12.2-14.23.1.2587.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherCouldn't get hash for com/typesafe/config/1.2.1/config-1.2.1.jar from http://files.minecraftforge.net/maven/com/typesafe/config/1.2.1/config-1.2.1.jar.sha1: HTTP 404: Not Found17:54:56launcherCouldn't get hash for com/typesafe/akka/akka-actor_2.11/2.3.3/akka-actor_2.11-2.3.3.jar from http://files.minecraftforge.net/maven/com/typesafe/akka/akka-actor_2.11/2.3.3/akka-actor_2.11-2.3.3.jar.sha1: HTTP 404: Not Found17:54:56launcherCouldn't get hash for 1.12.2 jar from https://s3.amazonaws.com/Minecraft.Download/versions/1.12.2/1.12.2.jar.sha1: HTTP 403: Forbidden17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\versions\1.12.2/1.12.2.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherCouldn't get hash for org/scala-lang/scala-compiler/2.11.1/scala-compiler-2.11.1.jar from http://files.minecraftforge.net/maven/org/scala-lang/scala-compiler/2.11.1/scala-compiler-2.11.1.jar.sha1: HTTP 404: Not Found17:54:56launcherCouldn't get hash for org/scala-lang/plugins/scala-continuations-plugin_2.11.1/1.0.2/scala-continuations-plugin_2.11.1-1.0.2.jar from http://files.minecraftforge.net/maven/org/scala-lang/plugins/scala-continuations-plugin_2.11.1/1.0.2/scala-continuations-plugin_2.11.1-1.0.2.jar.sha1: HTTP 404: Not Found17:54:56launcherCouldn't get hash for org/scala-lang/plugins/scala-continuations-library_2.11/1.0.2/scala-continuations-library_2.11-1.0.2.jar from http://files.minecraftforge.net/maven/org/scala-lang/plugins/scala-continuations-library_2.11/1.0.2/scala-continuations-library_2.11-1.0.2.jar.sha1: HTTP 404: Not Found17:54:56launcherCouldn't get hash for org/scala-lang/scala-reflect/2.11.1/scala-reflect-2.11.1.jar from http://files.minecraftforge.net/maven/org/scala-lang/scala-reflect/2.11.1/scala-reflect-2.11.1.jar.sha1: HTTP 404: Not Found17:54:56launcherCouldn't get hash for org/scala-lang/scala-library/2.11.1/scala-library-2.11.1.jar from http://files.minecraftforge.net/maven/org/scala-lang/scala-library/2.11.1/scala-library-2.11.1.jar.sha1: HTTP 404: Not Found17:54:56launcherCouldn't get hash for org/scala-lang/scala-parser-combinators_2.11/1.0.1/scala-parser-combinators_2.11-1.0.1.jar from http://files.minecraftforge.net/maven/org/scala-lang/scala-parser-combinators_2.11/1.0.1/scala-parser-combinators_2.11-1.0.1.jar.sha1: HTTP 404: Not Found17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\jline/jline/2.13/jline-2.13.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\com/typesafe/akka/akka-actor_2.11/2.3.3/akka-actor_2.11-2.3.3.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\com/typesafe/config/1.2.1/config-1.2.1.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherCouldn't get hash for org/scala-lang/scala-swing_2.11/1.0.1/scala-swing_2.11-1.0.1.jar from http://files.minecraftforge.net/maven/org/scala-lang/scala-swing_2.11/1.0.1/scala-swing_2.11-1.0.1.jar.sha1: HTTP 404: Not Found17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\org/scala-lang/scala-actors-migration_2.11/1.1.0/scala-actors-migration_2.11-1.1.0.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\org/scala-lang/scala-compiler/2.11.1/scala-compiler-2.11.1.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\org/scala-lang/plugins/scala-continuations-plugin_2.11.1/1.0.2/scala-continuations-plugin_2.11.1-1.0.2.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\org/scala-lang/plugins/scala-continuations-library_2.11/1.0.2/scala-continuations-library_2.11-1.0.2.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\org/scala-lang/scala-library/2.11.1/scala-library-2.11.1.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\org/scala-lang/scala-parser-combinators_2.11/1.0.1/scala-parser-combinators_2.11-1.0.1.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\org/scala-lang/scala-reflect/2.11.1/scala-reflect-2.11.1.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\org/scala-lang/scala-swing_2.11/1.0.1/scala-swing_2.11-1.0.1.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherCouldn't get hash for org/scala-lang/scala-xml_2.11/1.0.2/scala-xml_2.11-1.0.2.jar from http://files.minecraftforge.net/maven/org/scala-lang/scala-xml_2.11/1.0.2/scala-xml_2.11-1.0.2.jar.sha1: HTTP 404: Not Found17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\org/scala-lang/scala-xml_2.11/1.0.2/scala-xml_2.11-1.0.2.jar but don't know what size or hash it should be. Have to assume it's good.17:55:01launcherChecking installations.17:55:01launcherMinecraft client 1.12.2-forge1.12.2-14.23.1.2587 is ready to start.17:55:01launcherStarting!17:55:01launcherVersion does not support log configuration, will assume one plaintext entry per line
I am using 1.12.2. Also this happens with or without mods.
I tried to play yesterday. I tried uninstalling java and minecraft. It just stopped working...
17:54:56launcherPreparing to launch minecraft client for 1.12.2-forge1.12.2-14.23.1.258717:54:56launcherCouldn't get hash for jline/jline/2.13/jline-2.13.jar from http://files.minecraftforge.net/maven/jline/jline/2.13/jline-2.13.jar.sha1: HTTP 404: Not Found17:54:56launcherCouldn't get hash for org/scala-lang/scala-actors-migration_2.11/1.1.0/scala-actors-migration_2.11-1.1.0.jar from http://files.minecraftforge.net/maven/org/scala-lang/scala-actors-migration_2.11/1.1.0/scala-actors-migration_2.11-1.1.0.jar.sha1: HTTP 404: Not Found17:54:56launcherCouldn't get hash for net/minecraftforge/forge/1.12.2-14.23.1.2587/forge-1.12.2-14.23.1.2587.jar from http://files.minecraftforge.net/maven/net/minecraftforge/forge/1.12.2-14.23.1.2587/forge-1.12.2-14.23.1.2587.jar.sha1: HTTP 404: Not Found17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\net/minecraftforge/forge/1.12.2-14.23.1.2587/forge-1.12.2-14.23.1.2587.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherCouldn't get hash for com/typesafe/config/1.2.1/config-1.2.1.jar from http://files.minecraftforge.net/maven/com/typesafe/config/1.2.1/config-1.2.1.jar.sha1: HTTP 404: Not Found17:54:56launcherCouldn't get hash for com/typesafe/akka/akka-actor_2.11/2.3.3/akka-actor_2.11-2.3.3.jar from http://files.minecraftforge.net/maven/com/typesafe/akka/akka-actor_2.11/2.3.3/akka-actor_2.11-2.3.3.jar.sha1: HTTP 404: Not Found17:54:56launcherCouldn't get hash for 1.12.2 jar from https://s3.amazonaws.com/Minecraft.Download/versions/1.12.2/1.12.2.jar.sha1: HTTP 403: Forbidden17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\versions\1.12.2/1.12.2.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherCouldn't get hash for org/scala-lang/scala-compiler/2.11.1/scala-compiler-2.11.1.jar from http://files.minecraftforge.net/maven/org/scala-lang/scala-compiler/2.11.1/scala-compiler-2.11.1.jar.sha1: HTTP 404: Not Found17:54:56launcherCouldn't get hash for org/scala-lang/plugins/scala-continuations-plugin_2.11.1/1.0.2/scala-continuations-plugin_2.11.1-1.0.2.jar from http://files.minecraftforge.net/maven/org/scala-lang/plugins/scala-continuations-plugin_2.11.1/1.0.2/scala-continuations-plugin_2.11.1-1.0.2.jar.sha1: HTTP 404: Not Found17:54:56launcherCouldn't get hash for org/scala-lang/plugins/scala-continuations-library_2.11/1.0.2/scala-continuations-library_2.11-1.0.2.jar from http://files.minecraftforge.net/maven/org/scala-lang/plugins/scala-continuations-library_2.11/1.0.2/scala-continuations-library_2.11-1.0.2.jar.sha1: HTTP 404: Not Found17:54:56launcherCouldn't get hash for org/scala-lang/scala-reflect/2.11.1/scala-reflect-2.11.1.jar from http://files.minecraftforge.net/maven/org/scala-lang/scala-reflect/2.11.1/scala-reflect-2.11.1.jar.sha1: HTTP 404: Not Found17:54:56launcherCouldn't get hash for org/scala-lang/scala-library/2.11.1/scala-library-2.11.1.jar from http://files.minecraftforge.net/maven/org/scala-lang/scala-library/2.11.1/scala-library-2.11.1.jar.sha1: HTTP 404: Not Found17:54:56launcherCouldn't get hash for org/scala-lang/scala-parser-combinators_2.11/1.0.1/scala-parser-combinators_2.11-1.0.1.jar from http://files.minecraftforge.net/maven/org/scala-lang/scala-parser-combinators_2.11/1.0.1/scala-parser-combinators_2.11-1.0.1.jar.sha1: HTTP 404: Not Found17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\jline/jline/2.13/jline-2.13.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\com/typesafe/akka/akka-actor_2.11/2.3.3/akka-actor_2.11-2.3.3.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\com/typesafe/config/1.2.1/config-1.2.1.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherCouldn't get hash for org/scala-lang/scala-swing_2.11/1.0.1/scala-swing_2.11-1.0.1.jar from http://files.minecraftforge.net/maven/org/scala-lang/scala-swing_2.11/1.0.1/scala-swing_2.11-1.0.1.jar.sha1: HTTP 404: Not Found17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\org/scala-lang/scala-actors-migration_2.11/1.1.0/scala-actors-migration_2.11-1.1.0.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\org/scala-lang/scala-compiler/2.11.1/scala-compiler-2.11.1.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\org/scala-lang/plugins/scala-continuations-plugin_2.11.1/1.0.2/scala-continuations-plugin_2.11.1-1.0.2.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\org/scala-lang/plugins/scala-continuations-library_2.11/1.0.2/scala-continuations-library_2.11-1.0.2.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\org/scala-lang/scala-library/2.11.1/scala-library-2.11.1.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\org/scala-lang/scala-parser-combinators_2.11/1.0.1/scala-parser-combinators_2.11-1.0.1.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\org/scala-lang/scala-reflect/2.11.1/scala-reflect-2.11.1.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\org/scala-lang/scala-swing_2.11/1.0.1/scala-swing_2.11-1.0.1.jar but don't know what size or hash it should be. Have to assume it's good.17:54:56launcherCouldn't get hash for org/scala-lang/scala-xml_2.11/1.0.2/scala-xml_2.11-1.0.2.jar from http://files.minecraftforge.net/maven/org/scala-lang/scala-xml_2.11/1.0.2/scala-xml_2.11-1.0.2.jar.sha1: HTTP 404: Not Found17:54:56launcherHave local file C:/Users\jymsh\AppData\Roaming\.minecraft\libraries\org/scala-lang/scala-xml_2.11/1.0.2/scala-xml_2.11-1.0.2.jar but don't know what size or hash it should be. Have to assume it's good.17:55:01launcherChecking installations.17:55:01launcherMinecraft client 1.12.2-forge1.12.2-14.23.1.2587 is ready to start.17:55:01launcherStarting!17:55:01launcherVersion does not support log configuration, will assume one plaintext entry per line
I am using 1.12.2. Also this happens with or without mods.
is this the full launcher log? if yes then check if you don't have a known incompatible softwear here