{"action":"created","issue":{"url":"https://api.github.com/repos/mapcrafter/mapcrafter/issues/275","repository_url":"https://api.github.com/repos/mapcrafter/mapcrafter","labels_url":"https://api.github.com/repos/mapcrafter/mapcrafter/issues/275/labels{/name}","comments_url":"https://api.github.com/repos/mapcrafter/mapcrafter/issues/275/comments","events_url":"https://api.github.com/repos/mapcrafter/mapcrafter/issues/275/events","html_url":"https://github.com/mapcrafter/mapcrafter/issues/275","id":343346435,"node_id":"MDU6SXNzdWUzNDMzNDY0MzU=","number":275,"title":"Incompatible with Minecraft 1.13","user":{"login":"stevotvr","id":30217222,"node_id":"MDQ6VXNlcjMwMjE3MjIy","avatar_url":"https://avatars1.githubusercontent.com/u/30217222?v=4","gravatar_id":"","url":"https://api.github.com/users/stevotvr","html_url":"https://github.com/stevotvr","followers_url":"https://api.github.com/users/stevotvr/followers","following_url":"https://api.github.com/users/stevotvr/following{/other_user}","gists_url":"https://api.github.com/users/stevotvr/gists{/gist_id}","starred_url":"https://api.github.com/users/stevotvr/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/stevotvr/subscriptions","organizations_url":"https://api.github.com/users/stevotvr/orgs","repos_url":"https://api.github.com/users/stevotvr/repos","events_url":"https://api.github.com/users/stevotvr/events{/privacy}","received_events_url":"https://api.github.com/users/stevotvr/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":62,"created_at":"2018-07-21T18:34:01Z","updated_at":"2018-08-31T23:54:10Z","closed_at":null,"author_association":"NONE","body":"Attempting to render a map of a Minecraft 1.13 map results in a blank map and the console is flooded with error messages:\r\n`2018-07-21 11:27:49 [ERROR] [default] Unable to read chunk at 7:-64 : Unknown tag type with id 12. NBT data stream may be corrupted.`\r\n\r\nIs there an ETA on compatibility with 1.13?"},"comment":{"url":"https://api.github.com/repos/mapcrafter/mapcrafter/issues/comments/417816139","html_url":"https://github.com/mapcrafter/mapcrafter/issues/275#issuecomment-417816139","issue_url":"https://api.github.com/repos/mapcrafter/mapcrafter/issues/275","id":417816139,"node_id":"MDEyOklzc3VlQ29tbWVudDQxNzgxNjEzOQ==","user":{"login":"cbs228","id":3526918,"node_id":"MDQ6VXNlcjM1MjY5MTg=","avatar_url":"https://avatars0.githubusercontent.com/u/3526918?v=4","gravatar_id":"","url":"https://api.github.com/users/cbs228","html_url":"https://github.com/cbs228","followers_url":"https://api.github.com/users/cbs228/followers","following_url":"https://api.github.com/users/cbs228/following{/other_user}","gists_url":"https://api.github.com/users/cbs228/gists{/gist_id}","starred_url":"https://api.github.com/users/cbs228/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cbs228/subscriptions","organizations_url":"https://api.github.com/users/cbs228/orgs","repos_url":"https://api.github.com/users/cbs228/repos","events_url":"https://api.github.com/users/cbs228/events{/privacy}","received_events_url":"https://api.github.com/users/cbs228/received_events","type":"User","site_admin":false},"created_at":"2018-08-31T23:54:10Z","updated_at":"2018-08-31T23:54:10Z","author_association":"NONE","body":"@seeseekey: You can bulk-convert an entire 1.12 world to 1.13 with the Minecraft *server* JAR. It should go without saying that this process cannot be undone and has the potential to completely destroy your world. Make a backup, and then check it. Then invoke the Minecraft server JAR with the `--forceUpgrade` option. For example:\r\n\r\n```bash\r\njava -Xms2000M -Xmx2000M -jar minecraft_server.jar nogui --forceUpgrade ...\r\n```\r\n\r\nBe sure to include your usual `-Xms` and `-Xmx` options. If your server doesn't have very much RAM, you might want to consider downloading the world and performing the conversion on a more powerful machine."}}
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