jmol cannot run while plot3d

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I suggest visiting http://java.com/en/download/installed... to check if your Java is up-to-date.

Another useful trick is to plot using threejs instead of the default Jmol.

For this, you could do:

sage: g = lambda x, y: x^2 + y
sage: plot3d(g, (1, 3), (1, 10), viewer='threejs')

This can also happen due to mismatched java version number. The java version expected by sage is declared in "~/.local/lib/python2.7/site-packages/sage/interfaces/jmoldata.py" There, in the "JmolData" class at "is_jvm_available" function you'll find the code responsible for java version check.

java_version = re.search("version.*[11][.][06]", version)

See, I've changed the version number to 11.06, it previously was 1.78(=[1][.][78]). Then voila, JMol started working normally.

This is what I get it to work.

1. Run

/usr/libexec/java_home -V

1. Identify version 8 of Java, and remove the others using a command like

rm -rf /Library/Java/JavaVirtualMachines/jdk-9.0.1.jdk/

(with the version suitably changed; also you'll probably have to run this as sudo)

It turns out that JMol is incompatible with version 9, which I originally had. After getting rid of version 9, closing the shell session and restarting it, I am now able to plot 3d objects in Sagemath through JMol.