Groovy: validate JSON string

Question

I need to check that a string is valid JSON in Groovy. My first thought was just to send it through new JsonSlurper().parseText(myString) and, if there was no exce

Answer 1

seems to be a bug or feature in groovy json parser

try another json parser

i'm using snakeyaml cause it supports json and yaml, but you can find other java-based json parser libraries over the internet

@Grab(group='org.yaml', module='snakeyaml', version='1.19')

def jsonString = '''{"a":1,"b":2}...'''

//no error in the next line
def json1 = new groovy.json.JsonSlurper().parseText( jsonString )
//the following line fails
def json2 = new org.yaml.snakeyaml.Yaml().load( jsonString )