The new launcher is, ultimately, part of a rather large series of changes to Minecraft, including making mods actually something the game supports via the new Resource Pack stuff, but until that time, modding is a bit more awkward. jar file was never really officially supported, either. Then again, modding the game by splaying open and modifying the internals of the. There doesn't seem to be any official way.

: Version '1.6.1' is already trackedĪt .VersionList.addVersion(VersionList.java:91)Īt .LocalVersionList.refreshVersions(LocalVersionList.java:44)Īt .VersionManager.refreshVersions(VersionManager.java:47)Īt $2.run(Launcher.java:164)Īt $RunnableAdapter.call(Unknown Source)Īt $Sync.innerRun(Unknown Source)Īt .run(Unknown Source)Īt .runWorker(Unknown Source)Īt $n(Unknown Source) Where do I drag in the mod files now? I can't seem to find a jar file that is suited to it, except in the version folder, but as I stated above, this refreshes every time.Īfter copying a recent version and renaming it in the version folder, I get this error in the development console: Unexpected exception refreshing version list I am specifically trying to install Optifine, which does work with 1.6.1.

I can no longer install mods just by copying it over into the versions/1.6.1 jar file, as this file refreshes every time it is launched.įor those who don't know what I am talking about, here is the new layout: I've recently changed to the new Minecraft launcher, and I have noticed a change in the.

Installing mods minecraft java