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null pointer exception when trying to update multiple issues

Hello everyone,

will try to be quick.

I trying following:

  1. We got JQL query
  2. All issues are checked
  3. We find Application listed in Insight (CF 17203) - insight object(s)
  4. We find related Business Owner
  5. We find Jira User for the Business Owner
  6. We put the Business Owner into (CF 17702) - multi user picker

The code we are running is:

import com.atlassian.jira.component.ComponentAccessor
import com.atlassian.jira.issue.ModifiedValue
import com.atlassian.jira.issue.search.SearchProvider
import com.atlassian.jira.issue.util.DefaultIssueChangeHolder
import com.atlassian.jira.jql.parser.JqlQueryParser
import com.atlassian.jira.web.bean.PagerFilter
import com.atlassian.jira.issue.search.SearchQuery
import com.atlassian.jira.user.ApplicationUser

def searchQuery = "project = RFC AND resolution = Unresolved"
def customFieldManager = ComponentAccessor.getCustomFieldManager()
def jqlQueryParser = ComponentAccessor.getComponent(JqlQueryParser)
def searchProvider = ComponentAccessor.getComponent(SearchProvider)
def issueManager = ComponentAccessor.issueManager
def userAuth = ComponentAccessor.jiraAuthenticationContext.loggedInUser
def query = jqlQueryParser.parseQuery(searchQuery)
def searchResults = searchProvider.search(SearchQuery.create(query, userAuth), PagerFilter.unlimitedFilter)
def issueService = ComponentAccessor.issueService
def customField = null
def user = null
def userAccount = null
def key = null
def issue = null
def application = null 
ArrayList userAccounts = []
def changeHolder = new DefaultIssueChangeHolder()
searchResults.results.each 
{
documentIssue ->
userAccounts = []
key = documentIssue.document.fields.find { it.name() == "key" }.stringValue()
issue = issueManager.getIssueObject(key)
application = issue.get("customfield_17203")?.first()
customField = customFieldManager.getCustomFieldObject("customfield_17702")  
Class objectFacadeClass = ComponentAccessor.getPluginAccessor().getClassLoader().findClass("com.riadalabs.jira.plugins.insight.channel.external.api.facade.ObjectFacade")
def objectFacade = ComponentAccessor.getOSGiComponentInstanceOfType(objectFacadeClass)
	if (application != null) { 
	int userAttributeId = 328 // Business Owner
	def persBean = objectFacade.loadObjectAttributeBean(application.getId(), userAttributeId)
		if (persBean != null) {
		user = objectFacade.loadObjectBean(persBean.getObjectAttributeValueBeans()[0].getValue())
			if (user != null) {          
			def userBean = objectFacade.loadObjectAttributeBean(user.getId(), 167) // 
			if (userBean != null) {
				def userName = userBean.getObjectAttributeValueBeans()[0].getValue()     
				if (userName != null) {
				userAccount = ComponentAccessor.getUserManager().getUserByName(userName)              
                userAccounts.add(userAccount)               
				 customField.updateValue(null, issue, new ModifiedValue(issue.getCustomFieldValue(customField), userAccounts), changeHolder)                                 
} } } } } }

The error we got is:

Message:
java.lang.NullPointerException
Stack:
com.atlassian.jira.issue.customfields.impl.MultiUserCFType.getChangelogValue(MultiUserCFType.java:159)
com.atlassian.jira.issue.customfields.impl.MultiUserCFType.getChangelogValue(MultiUserCFType.java:101)
com.atlassian.jira.issue.fields.ImmutableCustomField.getChangelogValue(ImmutableCustomField.java:376)
com.atlassian.jira.issue.fields.ImmutableCustomField.updateValue(ImmutableCustomField.java:411)
com.atlassian.jira.issue.fields.ImmutableCustomField.updateValue(ImmutableCustomField.java:396)
com.atlassian.jira.issue.fields.OrderableField$updateValue.call(Unknown Source)
script16280233284091635377318$_run_closure1.doCall(script16280233284091635377318.groovy:49)
sun.reflect.GeneratedMethodAccessor20919.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:498)
org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:101)
groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:323)
org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:263)
groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1041)
groovy.lang.Closure.call(Closure.java:405)
groovy.lang.Closure.call(Closure.java:421)
org.codehaus.groovy.runtime.DefaultGroovyMethods.each(DefaultGroovyMethods.java:2330)
I checked everything inside, and all variable looks fine. We just spent like 4 hours in two men on that, so the community is our last hope. Thanks guys :-)

1 answer

@Jamie Echlin _Adaptavist_ You are my long-term-groovy-god ... do you have any idea? :-( Spent a lot of time here, without success :-( 

Ha... when I'm summoned like that I have no choice but to try to help ;-)

But I don't really know, what Jira version are you using so I can make sure I can read the stack trace properly? Looking at the code it's hard to see why you would get an NPE there, but maybe my line numbers are wrong, I happen to be looking at jira 8.13 source.

I think the issue will be that:

userAccount = ComponentAccessor.getUserManager().getUserByName(userName)

in the line above, `userAccount` is null.

Because I can repro a similar stack trace using:

import com.atlassian.jira.component.ComponentAccessor
import com.atlassian.jira.issue.ModifiedValue
import com.atlassian.jira.issue.util.DefaultIssueChangeHolder

def issue = ComponentAccessor.issueManager.getIssueObject('JRA-1')

def customField = ComponentAccessor.customFieldManager.getCustomFieldObjectByName('MultiUserPickerA')

def user = ComponentAccessor.userManager.getUserByName('IDontExist')
customField.updateValue(null, issue, new ModifiedValue(null, [user]), new DefaultIssueChangeHolder())

 

If I change "IDontExist" to a valid user name it works.

So I suspect that you need to check whether `getUserByName` returns null or not, if it's null don't add it to the list.

I can't remember whether Insight attributes can be typed, if it's typed as User possible you want to look the user up by user key, not user name...

Oh my ...

I got blinded after 8 hours of looking into code.

Of course the line

if (userAccount != null) { ... }

solved the issue ... 

Thanks so much

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DEPLOYMENT TYPE
SERVER
VERSION
8.5.4
TAGS

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