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MC-56150

NAME AND ID CANNOT BOTH BE BLANK

Resolved

Duplicate

0

I go to minecraft server, client say: java.lang.IllegalArgumentException: Name and ID cannot both be blank

What is the problem?

Linked issues

duplicates 1

MC-50221 Exception on server start "Name and ID cannot both be blank" when started with online-mode=false Resolved

Comments 3

migrated 2014-05-31T16:50:38Z

Fixed in 14w10c (1.8 Snapshot). See MC-50221

CubeTheThird 2014-05-31T17:05:28Z

You need to run the server once in online mode.

migrated 2014-06-01T12:04:04Z

just my computer say this error

Reporter: migrated

Assignee: (Unassigned)

Created: 2014-05-31T16:34:02Z

Updated: 2026-08-20T09:20:13Z

Resolved: 2014-05-31T17:05:28Z

Confirmation Status: Unconfirmed

Affects Versions: Minecraft 1.7.9

Retrieved 2026-10-11T18:32:21Z