Nested ES document example

nested-document.json

{
   "exception" : {
       "message" : "Exceptional circumstances",
       "stackTrace" : [
            { "file" : "Test.java", "class" : "Test", "method" : "foo", "line" : 100, "native" : false },
            { "file" : "Test.java", "class" : "Test", "method" : "bar", "line" : 99, "native" : false }
        ],
        "causedBy" : {
            "message" : "Special Circumstances",
            "stackTrace" : [
                { "file" : "Test2.java", "class" : "Test", "method" : "foo", "line" : 100, "native" : false },
                { "file" : "Test2.java", "class" : "Test", "method" : "bar", "line" : 99, "native" : false }
            ],
            "causedBy" : {
                "message" : "Mind the gap",
                "stackTrace" : [
                    { "file" : "Test3.java", "class" : "Test", "method" : "foo", "line" : 100, "native" : false },
                    { "file" : "Test3.java", "class" : "Test", "method" : "bar", "line" : 99, "native" : false }
                ],
            }
    }
}