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  1. Minecraft Launcher
  2. MCL-15611

If minecraft crashes quickly the game output will be empty

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • None
    • 2.1.17783 (macOS), 2.1.17784 (Windows), 2.2.740 (macOS), 2.2.1260 (macOS), 2.2.2162 (macOS), 2.2.7956 (Mac), 2.2.8543 (Mac), 2.3.580 (New Windows App), 2.3.619 (New Windows App), 2.3.645 (New Windows App), 2.4.30 (Win 10/11 App), 2.4.69 (Win 10/11 App), 2.4.79 (Win 10/11 App), 2.5.9 (Win 10/11 App), 2.7.12 (Win 10/11), 2.8.2 (Win 10/11)
    • Minecraft Launcher
    • None
    • Confirmed
    • 708126

      The bug

      If Minecraft crashes quickly after starting, the game output will be empty. 

      Steps to reproduce

      1. Add -javaagent:missing to the JVM arguments
      2. Launch an already used installation of Minecraft

      Expected result

      Minecraft fails to launch and the game output contains something like

      22:25:28.024Using default game log configuration client-1.12.xml (outputs XML)22:25:28.260Error: Could not find or load main class "-javaagent:missing"
      22:25:28.261Process crashed with exit code 1
      

      Actual result:

      Minecraft fails to launch, but game output only shows "Waiting for log output..."

      Workarounds

      If you cause something to be download (for instance, by deleting the relevant folder in .minecraft/versions) then the log will show the output.

      The launcher_log.txt file will still contain the game output.

            Unassigned Unassigned
            natedogith1 natedogith1
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              Created:
              Updated:
              CHK: