Нашел одну из причин
> [MinecraftLauncher] Checking conditions...
> [MinecraftLauncher] jarscanner skipped: already scanned
> [MinecraftLauncher] Checking assets...
> [AssetsManager] Checking resources...
> [AssetsManager] Reading from index:
> [ConnectionSelector] [7279:s3.amazonaws.com] Making request to
> [ConnectionSelector] [7279:s3.amazonaws.com:450ms] OK
> [RepositoryProxy] Failed to read response from
org.apache.hc.client5.http.HttpResponseException: status code: 404, reason phrase: Not Found, content: null
at launcher//org.apache.hc.client5.http.fluent.ContentResponseHandler.handleResponse(ContentResponseHandler.java:77)
at launcher//org.apache.hc.client5.http.fluent.ContentResponseHandler.handleResponse(ContentResponseHandler.java:46)
at launcher//org.apache.hc.client5.http.fluent.Response.handleResponse(Response.java:102)
at launcher//org.apache.hc.client5.http.fluent.Response.returnContent(Response.java:111)
at launcher//net.legacylauncher.repository.RepositoryProxy.requestMaybeProxy(RepositoryProxy.java:71)
at launcher//net.legacylauncher.managers.AssetsManager.getRemoteResourceFilesList(AssetsManager.java:127)
at launcher//net.legacylauncher.managers.AssetsManager.getResourceFiles(AssetsManager.java:70)
at launcher//net.legacylauncher.managers.AssetsManager.checkResources(AssetsManager.java:168)
at launcher//net.legacylauncher.managers.AssetsManager.checkResources(AssetsManager.java:180)
at launcher//net.legacylauncher.minecraft.launcher.MinecraftLauncher.compareAssets(MinecraftLauncher.java:1885)
at launcher//net.legacylauncher.minecraft.launcher.MinecraftLauncher.downloadResources(MinecraftLauncher.java:709)
at launcher//net.legacylauncher.minecraft.launcher.MinecraftLauncher.collectInfo(MinecraftLauncher.java:622)
at launcher//net.legacylauncher.minecraft.launcher.MinecraftLauncher.start(MinecraftLauncher.java:238)
at launcher//net.legacylauncher.ui.login.LoginForm.lambda$runProcess$0(LoginForm.java:213)
at launcher//net.legacylauncher.util.async.AsyncThread.lambda$wrap$3(AsyncThread.java:85)
at java.base/java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(Unknown Source)
at java.base/java.util.concurrent.ForkJoinTask.doExec(Unknown Source)
at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(Unknown Source)
at java.base/java.util.concurrent.ForkJoinPool.scan(Unknown Source)
at java.base/java.util.concurrent.ForkJoinPool.runWorker(Unknown Source)
at java.base/java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)
> [ConnectionSelector] [7548:repo.legacylauncher.ru] Skipped before making the request
