: The official Mojang server software. You can find legacy files on archival sites like MCVersions.net .
: Legacy Minecraft versions like 1.3.1 are designed for older Java environments (specifically Java 7). Modern Java versions may cause crashes. server mainkraft 1 3 1 skachat
For , the "Paper" server software (formerly PaperSpigot) does not exist . The PaperMC project was launched in June 2014, roughly two years after the 1.3.1 release. The earliest available version of Paper typically begins around Minecraft 1.6.4 or 1.8.8. : The official Mojang server software
: The eula.txt requirement was added in later versions (1.7.10+). For 1.3.1, the server should generate its files and start immediately without this step. server mainkraft 1 3 1 skachat