java - Error when trying to get sun.runtime.Name is undefined

Question

I am trying to get some info on the internal of my ColdFusion site

struct function get_site_info() output="false"  {

var oSystem = createObject('java','java.lang.System');
var jremodel    = oSystem.getProperty("sun.arch.data.model");
var jrename     = oSystem.getProperty("sun.runtime.name");
var jreversion  = oSystem.getProperty("sun.runtime.version");



var stResult = {CFVERSION = server.ColdFusion.ProductVersion, 
    CFLEVEL = server.ColdFusion.ProductLevel,
    JRENAME = jrename, // Error happens here
    JREVERSION = jreversion };

return stResult;
}   

The error message is

Variable JRENAME is undefined.

Answer 1

没有像“sun.runtime.name”这样的属性（或者实际上是 sun.runtime.anything）。

您可能想要java.runtime.name。

要查看系统的所有可用属性，请执行以下操作：

<cfdump var=#createObject('java','java.lang.System').getProperties()# />