Why does the installer give an error saying the directory jre does not exist on Linux?

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I downloaded the Linux installation files. When I execute the installer, I get the following error:
The directory /home/user/Downloads/matlab-linux/sys/java/jre/glnx86/jre does not exist.
The directory /home/user/Downloads/matlab-linux/sys/java/jre/glnxa64/jre does not exist ERROR:
After checking, it appears that the other directory exists.
How do I run the installer successfully?

Accepted Answer

MathWorks Support Team
MathWorks Support Team on 27 Jan 2012
This error can occur if you download and try to run the 64 bit Linux installation files on a 32 bit Linux operating system, or if you attempt to run the 32 bit installation files on a 64 bit linux operating system. To check and see if the version of Linux is 32-bit or 64-bit, run the following command in a Terminal:
uname -a
If you see i386 or i686, this indicates you are on a 32-bit version of Linux. If you see ia64 or x86_64, then this is a 64-bit version of Linux.
It is possible to install the 32 bit version of MATLAB on 64 bit linux - please see the related solutions below for more information.

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