8132382: [macosx] Crash during JMC or JavaFX execution when NSApplication is controlled by SWT or JavaFX libraries
Reviewed-by: kizune, alexsch
SyntaxError: Invalid JSON: <json>:1:12 Trailing comma is not allowed in JSON
{ "a": 333, }
^
SyntaxError: Invalid JSON: <json>:1:8 Trailing comma is not allowed in JSON
[ 4343, ]
^