Why does Minecraft get stuck when javaw.exe reaches 757.356kb of memory use.
Can I remove this limit or is there anything else I can do to solve the problem?
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New answer, so everyone can follow the steps:
Open up a notepad.
Type the following:
C:\Program Files\Java\jre6\bin\java" -Xms2048M -Xmx2048M -jar "C:\minecraft.jar"
File -> Save as. Choose All file types, and save it like:
Get minecraft's "linux version" at http://minecraft.net. Save it to
C:\minecraft.jar [This step is not necessary for jre7 running on Windows 7, you can point the script to minecraft.exe]
You can skip this step if you are running 32 bit windows! Get a 64-bit Java runtime. This wouldn't be a neccessary step, but since Minecraft is a resource hog, you may want to squeeze out all the juice from your computer. You can find the 64-bit version here.
Double-Click the minecraft.bat file.
What does the .bat file do?
-Xmspart. These are settings for the heap size. Set these according how much memory you have. Explanation for this Heap stuff.
-jar C:\...is an argument too, telling Java where it can find the Minecraft.jar launcher.
(Also, check the
C:\Program Files\Java\jre6\bin\java.exe paths. These things may vary.)
A little extra, performance improvement: (The argument part works only on Windows!)
Add the following arguments to the .bat file:
"C:\Program Files\Java\jre6\bin\java" -Dsun.java2d.noddraw=false -Dsun.java2d.d3d=true -Dsun.java2d.opengl=false -Xms2048M -Xmx2048M -jar "C:\minecraft.jar"
This way, we tell Java it should use DirectX to draw. This helped me a lot.
Another improvement can be achieved (Cross-platform!) if you install Java JRE7. It's in a beta state, but perfect for us, playing Minecraft. You only have to modify the .bat file, so it shows:
instead of the
(Notice the number in the "jre".)