Client closes before world opens in Ultimate Pack.

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Francis Baster

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Jul 29, 2019
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It appears this is an out of memory error. Have you tried increasing the amount of memory allocated to FTB in the options tab?
 

Cørmag

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Jul 29, 2019
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I have. Usually I have 4gb allocated to it, but when this problem started I up'd that amount to 15gb. There should be no reason for 15gb to not be enough.
 

Azgult

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Jul 29, 2019
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The problem is the PermGen memory of java is running out. Java keeps some things permenantly loaded and has a fixed amount of space assigned to that. Go to options -> advanced options and add to the additional java options: "-XX:MaxPermSize=128M". Not sure what the default is, or what memory size this should be. Increase it further if it still happens, but I'd say more than 512M would be overkill.
 

Cørmag

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Jul 29, 2019
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The problem is the PermGen memory of java is running out. Java keeps some things permenantly loaded and has a fixed amount of space assigned to that. Go to options -> advanced options and add to the additional java options: "-XX:MaxPermSize=128M". Not sure what the default is, or what memory size this should be. Increase it further if it still happens, but I'd say more than 512M would be overkill.
This worked like a charm my friend. Since I like overkill, I set it to 512 just to be sure. Thank you much!
 

Techercizer

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Jul 29, 2019
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The problem is the PermGen memory of java is running out. Java keeps some things permenantly loaded and has a fixed amount of space assigned to that. Go to options -> advanced options and add to the additional java options: "-XX:MaxPermSize=128M". Not sure what the default is, or what memory size this should be. Increase it further if it still happens, but I'd say more than 512M would be overkill.
This also fixed my FTB Ultimate problem. Many thanks, good sir!
 

powerblo

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Jul 29, 2019
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The problem is the PermGen memory of java is running out. Java keeps some things permenantly loaded and has a fixed amount of space assigned to that. Go to options -> advanced options and add to the additional java options: "-XX:MaxPermSize=128M". Not sure what the default is, or what memory size this should be. Increase it further if it still happens, but I'd say more than 512M would be overkill.

I'm still a beginner in java and I don't know what to do. I had the same problem, so i uninstalled ftb and tried using the mods without the modpack. still i have the same problem("Loading world Building Sreen" then client and closing internal server) ever since i installed forestry. so i erased the touhou progect mod and now it freezes at the "Loading world Building Terrain" screen. can you help me? ill try installing ftb again and trying what you have said. pls rply asap.
 

Ashzification

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Jul 29, 2019
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I'm still a beginner in java and I don't know what to do. I had the same problem, so i uninstalled ftb and tried using the mods without the modpack. still i have the same problem("Loading world Building Sreen" then client and closing internal server) ever since i installed forestry. so i erased the touhou progect mod and now it freezes at the "Loading world Building Terrain" screen. can you help me? ill try installing ftb again and trying what you have said. pls rply asap.

Well, you do not post on a 7 month old thread for starters. Post your own thread, since whatever issue you're having is not related to this one.

Edit: you will not get an "ASAP" reply from a person on a dead thread.
 

Francis Baster

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Jul 29, 2019
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I'm still a beginner in java and I don't know what to do. I had the same problem, so i uninstalled ftb and tried using the mods without the modpack. still i have the same problem("Loading world Building Sreen" then client and closing internal server) ever since i installed forestry. so i erased the touhou progect mod and now it freezes at the "Loading world Building Terrain" screen. can you help me? ill try installing ftb again and trying what you have said. pls rply asap.

If you post your own thread be sure to include any crash report files that are generated, otherwise we will be unable to help you. These are located in "<FTB install folder>/ultimate/minecraft/crash-reports". If you are unsure where your FTB install folder is located, (it's not in .minecraft), you can click on the options tab in the FTB launcher and it will tell you there.
 
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