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java.lang.IllegalStateException: GLFW error before init: [0x10008]Cocoa: Failed to find service port for display


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  • 1 month later...
On 7/21/2021 at 8:04 AM, thelameONE said:

i fixed it put in

-Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32 -Dfml.earlyprogresswindow=falseM

hi I have a Macbook pro m1 and forge 1.15.2. your arguments work perfect for me. thank you from Russia.

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  • 2 weeks later...

I have a m1 MacBook Air.

I've found the following things fix the error:

1. just try launching again a couple of times.  sometimes it goes away on its own.

2. switch to a lower version of forge.

3. Switch to a higher version of forge.

4. add the -Dfml.earlyprogresswindow=false argument


One of those always works for me.  Note I am not a code person and this is just from Trial and Error XD  

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  • 1 month later...

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