pot-function --> ERROR - Cannot invoke method startsWith() on null object

Eduard Diez

Hi Community,

I've been struggling this problem for 3 days.

When I put the same code in console ScriptRunner the code it works ok but when I move it I have more problems, but I have 2 problems.

The method startsWith() -->but I don't work whit it

ERROR - Cannot invoke method startsWith() on null object

and I have ote rerror when I change 

Here is my source code :

////////////////////////nuevo codigo 04/10/2018
def transitionId = '61' //transicion (Finalizar desarrollo) DEMANDA a [Entregada]
def issueKey = issue.key
/*------------------EDU--------------------*/

def result = get('/rest/api/2/issue/' + issueKey)
.header('Content-Type', 'application/json')
.asObject(Map)
if (result.status >= 200 && result.status < 300){
logger.info('ok return')
} else {
return "Failed to find issue: Status: ${result.status} ${result.body}"
}
////////////////////////nuevo codigo 01/10/2018
/*------------------EDU--------------------*/
def link = result.body.fields.issuelinks //Busco todos los issuelinks de la DEM para saber el tipo de issue que cuelga de él
def num_issue = result.body.fields.issuelinks.size() //numero de tareas que cuelgan de la DEM
logger.info('links: '+num_issue)
for(def x = 0; x < num_issue; x++){
logger.info('entra en el for: '+x)
logger.info(link[x].inwardIssue)
preguntamos por los primeros estados del WF antes de hacer un movimiento
if (link[x]?.inwardIssue?.fields.issuetype.name == 'Historia' ||
link[x]?.inwardIssue?.fields.issuetype.id == '10300'){
if (link[x]?.inwardIssue?.fields.status.name == 'ENTREGADA (PTE. ACEPTACIÓN)' ){}
else return false
}
}

def resultTrans = post('/rest/api/2/issue/'+issueKey+'/transitions')
.header('accept', 'application/json')
.header('Content-Type', 'application/json')
.body('{\"transition\":{\"id\": \"'+transitionId+'\"}}')
.asJson()
if (resultTrans.status >= 200 && resultTrans.status < 300){
logger.info('transitionId='+transitionId)
return 'success y transitionId = ' + transitionId
} else {
return "Failed to find issue: Status: ${resultTrans.status} ${resultTrans.body}"
}
/*------------------EDU--------------------*/

Daniel Yelamos [Adaptavist]

Hola Edu! 

¿Como estamos? Te voy a echar una mano, pero te tengo que responder en ingles para que el resto de mi equipo pueda leer esta respuesta. ¿Va?

I've modified your code according to the following:

1. In groovy instead of for looping you can use a .each closure. Your 'link[x]' has been renamed to 'it'. You can read more about .each closures here.

2. I've modified 'link'(singular) to 'links'(plural) for better clarity.

3. I've changed the empty if clause by negating the equals and returning false in the if, rather than in the else.

4. I've propagated the '?' use to everything on your statements, as when you use '?' you are accepting that anything that follows that '?' can also be null.

////////////////////////nuevo codigo 04/10/2018
def transitionId = '61' //transicion (Finalizar desarrollo) DEMANDA a [Entregada]
def issueKey = issue.key
/*------------------EDU--------------------*/

def result = get('/rest/api/2/issue/' + issueKey)
    .header('Content-Type', 'application/json')
    .asObject(Map)
if (result.status >= 200 && result.status < 300) {
logger.info('ok return')
} else {
return "Failed to find issue: Status: ${result.status} ${result.body}"
}
////////////////////////nuevo codigo 01/10/2018
/*------------------EDU--------------------*/
def links = result.body.fields.issuelinks //Busco todos los issuelinks de la DEM para saber el tipo de issue que cuelga de él
def num_issue = result.body.fields.issuelinks.size() //numero de tareas que cuelgan de la DEM
logger.info('links: ' + num_issue)
links.each {
logger.info('entra en el for: ' + it)
logger.info(it.inwardIssue)
//preguntamos por los primeros estados del WF antes de hacer un movimiento
    if (it.inwardIssue?.fields?.issuetype?.name == 'Historia' ||
        it.inwardIssue?.fields?.issuetype?.id == '10300') {
if (it.inwardIssue?.fields?.status?.name != 'ENTREGADA (PTE. ACEPTACIÓN)') {
return false
        }
    }
}

def resultTrans = post('/rest/api/2/issue/' + issueKey + '/transitions')
    .header('accept', 'application/json')
    .header('Content-Type', 'application/json')
    .body('{\"transition\":{\"id\": \"' + transitionId + '\"}}')
    .asJson()
if (resultTrans.status >= 200 && resultTrans.status < 300) {
logger.info('transitionId=' + transitionId)
return 'success y transitionId = ' + transitionId
} else {
return "Failed to find issue: Status: ${resultTrans.status} ${resultTrans.body}"
}
/*------------------EDU--------------------*/

 Now, from this point. I don't know where the exception is getting thrown. However, I'm about 90% sure that it came from the for loop that I have now changed. Check if this code works and if it doesn't, when you get an exception, send me the precise and exact stacktrace and I'll take it from there.

Un saludo!

Dani