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Could not reserve enough space for object heap


4 replies to this topic

#1
webkilla

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I'm having trouble starting my game...

 

I keep getting this error - and googling around I can see that its some kind of memory issue, with minecraft

 

I've also found proposed solutions for minecraft - but that requires making a batch file that starts minecraft and forces the Java Virtual Machine to increase its memory allotment...

 

But since FTB is done via a launcher I have no idea how to do that

 

 

Please advice - I want to be able to play!



#2
timrem

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The FTB launcher has a setting right in the Options tab to increase memory allocation. If you can't push it past 2GB, and you know your system has more RAM available, make sure you're using 64-bit java (unless you're on a 32-bit system, of course).



#3
webkilla

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I can only push it up to 1gb

 

...but I am on a 64bit rig

 

how do I check if I'm using 64-bit java?



#4
Firemx

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I'm not quite sure if you can check besides having a look in the actual Java folder.

 

Either way, re-downloading 64bit Java is a safe bet to helping.



#5
blaurascon

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What I had to do was re-install 64bit. For some reason when I updated 32bit it "took over" and FTB thought that was my default java version.





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