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Questions tagged [null-pointer]

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System NullPointerException on get from map

I have a nullpointer exception in the following code on line if(mapSoldAppStatus.containsKey(user.Id)){: Map<String,Map<String,Integer>> mapSoldAppStatus = ReportPageController....
Thomas's user avatar
  • 2,298
0 votes
1 answer
55 views

Null Pointer Exception when referencing a known valid field

I am writing custom before insert validation rules into a Case trigger to check fields on Account when a related Case is created. When running my test classes they all pass which leads me to believe I ...
JaredT's user avatar
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0 votes
1 answer
662 views

System.NullPointerException when trying to send an Outbound Message

I had a simple Flow that was working: if an Opportunity was updated then the Flow updated some values and then sent an Outbound Message. But then we tried to make it fancy, with some additional ...
charlottesville's user avatar
1 vote
2 answers
332 views

How to address null-pointer exception

I Have the following apex code which is throwing a nullpointer exception on the line: points = points + value; List<JMG_ExternalSearch__c> searchList = [SELECT Id,LastModifiedDate,...
Thomas's user avatar
  • 2,298
0 votes
1 answer
243 views

Trying to Update Text Area (Long) to Text Area (Rich) for all Account Records

I have a Text Area (Long) field that was encrypted so I am unable to convert it to a Text Area (Rich) field. Therefore, I created a new Text Area (Rich) field and would like to update all Account ...
sp2's user avatar
  • 77
0 votes
1 answer
520 views

I am getting null values for all opportunity fields

I have used a Map to get the Id of the opportunity, but I am not able to access other fields of that opportunity as I am getting null value. Also, getting an error 'Attemp to de-reference a null ...
Grace's user avatar
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0 votes
1 answer
35 views

a requirement to enter data in a field of contact, type_of_customer__c according to same field in account. I am getting nullpointerexception in line6

public class contactTriggerHandler { public void beforeInsert(Map<ID,contact> newMap) { set<ID> s= new set<ID>(); **for(contact con:newMap.values())** ...
Ajitesh's user avatar
2 votes
1 answer
3k views

A Variable Passed from my LWC to Apex Becomes Null

ISSUE The parameter name of my Apex method did not match the name of the variable when I called the method from JavaScript. ORIGINAL QUESTION I've never touched frontend before - I have no clue ...
User's user avatar
  • 111
1 vote
1 answer
13k views

Resolution to this error: Attempt to de-reference a null object

I am new to Salesforce Apex coding and I am getting this null pointer exception error when i try to run a schedule batch. Please help me as i am unable to understand the mistake i made. The code is ...
Niraj Dev's user avatar
0 votes
2 answers
680 views

Null pointer exception inside for Loop

Here is the code: for(Requests curRequest : requestList){ if (curRequest.varSRProduct!= null ){ for(SObject so : curRequest.varSRProduct){ //code } } ...
Adarsh Srinivasan's user avatar
3 votes
1 answer
961 views

Null pointer exception using null safe navigation operator

Following scenario throws nullptr exception inside if condition block !sample?.SomeField__c: MyObject__c sample = null; if (!sample?.SomeField__c) { ... } Why is that? Shouldn't that be evaluated ...
Rechu's user avatar
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0 votes
2 answers
170 views

Need help with a mystery null pointer exception

I'm getting Null Pointer Exception from some recent code changes and I can't figure out where it's coming from. I've put ** around the new code. Any help would be appreciated! System.DmlException: ...
TheDevAdmin's user avatar
0 votes
1 answer
88 views

Deploy error: List has no rows for assignment to SObject and INSUFFICIENT_ACCESS_ON_CROSS_REFERENCE_ENTITY

I am trying to deploy a destructive package, but I am receiving the following errors in test classes: System.DmlException: Insert failed. First exception on row 0; first error: ...
Cline's user avatar
  • 143
-1 votes
1 answer
66 views

Handle Null Pointer exception in better way while assigning value

In this example had shown only 2 fields, Need to handle many fields. For checking, null pointer exception for each fields are really tedious Task. Any Easy way to do this. Apex Class: public class ...
SFDC Learner's user avatar
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-1 votes
1 answer
353 views

How to fix System.NullPointerException: Attempt to de-reference a null object in a Batch

I have a batch and I can't figure out how to fix System.NullPointerException error going through my debug log my kes variable is null for (Known_Error_Subscription__c kes : scope) { kes....
Hermann Ouré's user avatar
0 votes
1 answer
96 views

knowledge__kav: System.NullPointerException: Attempt to de-reference a null object

I am unable to fix the error System.NullPointerException: Attempt to de-reference a null object on my trigger. Could someone help? Thanks trigger Knowledge_kavKnownErrorSubscription on Knowledge__kav (...
Hermann Ouré's user avatar
0 votes
2 answers
1k views

How to handle null keys in JSON response?

I have a json response class like this: public with sharing class Response { public Person person; public class Person { public PersonData personData = new PersonData (); ...
nSv23's user avatar
  • 544
0 votes
1 answer
489 views

Error when generating a JAR with Enterprise WSDL

I have generate Enterprise WSDL file and downloaded to my local machine. Now I'm trying to generate the jar file with following command. java -classpath .\..\..\..\..\..\.m2\repository\com\force\api\...
Isuru Buddhika Herath's user avatar
0 votes
1 answer
625 views

Before Trigger: System.NullPointerException: Attempt to de-reference a null object

I'm trying to use an Apex trigger to associate Account.Name to a Contact from a community form. Here is my trigger, trigger ContactBeforeInsert on Contact (before insert, after insert) { String ...
Riden Shark's user avatar
2 votes
1 answer
426 views

Attempt to de-reference a null object when using alternative to getGlobalDescribe

In the following code String myString = 'Account'; SObjectType sObjType = ((SObject) Type.forName(myString).newInstance()).getSObjectType(); When myString = a object name does not exist i get a ...
Vneq's user avatar
  • 79
0 votes
1 answer
36 views

I tried coding for inserting candidate using custom controller [closed]

public class InsertCandidatecontroller { public Candidate__c can {get; set;} public InsertCandidatecontroller(ApexPages.StandardController controller) { } // Initialization of ...
Mickey01's user avatar
0 votes
1 answer
616 views

Getting a null pointer exception

I was trying to fix a null pointer exception here if(com.Employee__c != null && (mapEmployees.containskey(com.Employee__c) == null || (mapEmployees.containskey(com.Employee__c) != null &&...
Ishan's user avatar
  • 539
0 votes
1 answer
462 views

System.NullPointerException: Argument cannot be null error in test class

Below is my Test Class and I am getting the error : System.NullPointerException: Attempt to de-reference a null object error on line 23 . @isTest public class ShowRoom_VisitController_Test { //...
Anonymous123's user avatar
3 votes
1 answer
169 views

NullPointerException BeforeInsert on Lead Trigger

I am pretty new to writing custom code in SF and would appreciate any help. I have a trigger on Leads to update Status to "Contacted" when a task on that Lead is "Completed". I found this in a ...
Brandon Olson's user avatar
0 votes
1 answer
2k views

Apex Specialist Superbadge Null Reference on Challenge 4

Been spinning my wheels on this for awhile. Frustrating thing about these Trailheads is no point of reference for what tests are failing on Salesforce's end that might be producing this error. Here ...
weytani's user avatar
  • 397
0 votes
1 answer
772 views

Error deserializing json array nullpointer exception

I receive this json through a request {"pay_CCIban":"XXX", "pay_bic":"YYY", "pay_names[]":["name one","name two"], "pay_extid":"extId"} I'm trying to deserialize it with this class global class ...
Javier's user avatar
  • 33
0 votes
1 answer
1k views

Argument cannot be null in Rest Apex class

I am trying to send data from salesforce to external system and have written web service but even after properly encoding every parameter, i am getting argument cannot be null due to which data is not ...
Ashutosh Srivastava's user avatar
-1 votes
1 answer
53 views

NPE for the case object before insert

I am trying to write a method that goes through and creates the proper local timezone on the case object versus dates that could be done via the user since we might have different time zones for them ...
SoleHack's user avatar
  • 115
3 votes
2 answers
4k views

Comparision directly on null value safe?

So many times, we do a null check of a field value and then compare them boolean checkAmountGreaterThan10k(Opportunity record){ if(record.Amount!=null){ return record.Amount > 10000; ...
Pranay Jaiswal's user avatar
-1 votes
1 answer
78 views

System.NullPointerException: Attempt to de-reference a null objec

When I am trying to access the Opportunity_Item_ID__c: 00k0I00000phfpdQAC in the browser it says "Data Not Available" "The data you were trying to access could not be found. It may be due to another ...
Suneel Chandrasekhar's user avatar
2 votes
2 answers
600 views

Unable to handle Attempt to de-reference a null object with map

I'm working on after update trigger. And it's throwing an exception after I'm checking null values too. i don't have any idea why it's public void AfterUpdate(Map<Id, SObject> newItems, Map&...
Pavan tej's user avatar
  • 1,460
1 vote
2 answers
119 views

Attempt to de-reference a null object error while accessing field in the Account object

I have a Quote__c object which has a field named FieldTpReferAccount__c which refers to Account. The Account object has a custom field named FieldInAccount__c. I need to update FieldInAccount__c in ...
वरुण's user avatar
1 vote
2 answers
128 views

System.NullPointerException: Attempt to de-reference a null object line in line 30

trigger UpdateApplicationStatusToEnrolled on vlocity_ins__Application__c (before update ) { Map <string,List<vlocity_ins__Application__c>> strMap = new Map <string,List<...
alpha's user avatar
  • 13
0 votes
1 answer
127 views

System.NullPointerException Question (Basic)

I am new in coding. Currently, working on a nullpointerexception challenge on Apex. Error: WarrantySummary: execution of BeforeInsert caused by: System.NullPointerException: Attempt to de-reference ...
Batir's user avatar
  • 1
0 votes
2 answers
2k views

Attempt to de-reference a null object - list get set

I try to add objects from 'accbetween' to 'idlist' (see the code below): public class SearchTestApex { public list <Fund__c> idlist {get;set;} public list <Fund__c> accbetween =...
guillaume mendlevitch's user avatar
0 votes
2 answers
252 views

How to cater opportunity insertion in my TEST class

I have a method in APEX class that does variety of checks via If else conditions with some SOQL statements. I created test data(Accounts, custom object records) to test the SOQL statements and it ...
Student's user avatar
  • 565
0 votes
1 answer
5k views

How to resolve Attempt to de-reference a null object in Apex Controller

I am trying to bind my map value to wrapper class in apex controller . I am getting System.NullPointerException: Attempt to de-reference a null object. I couldn't understand where I am going wrong. ...
Mangoski's user avatar
  • 208
2 votes
1 answer
531 views

Is there any way to make an Apex method parameter lazy?

Let's say I want to call a method like: doSomething(a.b.c.d.e.f()); I know that this might be an expensive operation and a, a.b, a.b.c, a.b.c.d, and a.b.c.d.e might all be null, however I would ...
Brian Kessler's user avatar
1 vote
3 answers
628 views

Before Trigger System.NullPointerException: Attempt to de-reference a null object

I keep getting a null pointer exception error as follows : System.NullPointerException: Attempt to de-reference a null object Stack Trace: Class.ColloTest_utoStudentIDTrigger....
Rufus K.'s user avatar
  • 505
6 votes
1 answer
8k views

Apex `if (Boolean) `. Null exception virtually renders this check useless and unsafe

Being that an if (booleanVariable) check, where booleanVariable is null, throws a NullPointerException, it would seem that this check is unsafe. If so why would Apex allow it? This is especially true ...
shmuels's user avatar
  • 555
0 votes
1 answer
96 views

bluewolf-beyond/selector attempt to de-reference a null object

Our org uses a mix of a variety of open source packages including bluewolf-beyond/selector This is a nifty package that allows construction of sobject list filters using a builder pattern that is ...
cropredy's user avatar
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3 votes
4 answers
2k views

|FATAL_ERROR|System.NullPointerException: Attempt to de-reference a null object on my Apex Trigger

I'm kind of new in Apex development and I'm writing a before insert, before update trigger to a custom object that is going to be upserted through an API integration. Is very basic code but I don't ...
Alejandro Flores's user avatar
-1 votes
1 answer
58 views

Help Me Solve A Null Pointer

I am trying to refactor some code. Right now I have a trigger calling lots of methods. And I would like to to have it call on master method. Right now I am getting a null pointer exception. And I don'...
Brooks Johnson's user avatar
0 votes
1 answer
291 views

Attempt to de-reference null object (Custom File Import)

The requirement is to import a tab separated text file and updated the records matching with some statuses then display success to for failure with the list of records. I wrote the following VF and ...
Mohammed Imran's user avatar
-3 votes
2 answers
875 views

Null pointer Exception in Apex controller

I am getting "FATAL_ERROR|System.NullPointerException: Attempt to de-reference a null object" in Apex controller when i click on update link pop up. Its showing in query with " ulstAsset ".I am newbie ...
Chinna's user avatar
  • 1
-1 votes
1 answer
2k views

Test Class for Trigger Null Pointer Exception

I am new to apex. Getting this error System.DmlException: Upsert failed. First exception on row 0 with id aBfn000000062BMCAY; first error: CANNOT_INSERT_UPDATE_ACTIVATE_ENTITY, OP_DeferralTrigger: ...
Anand Sharma's user avatar
0 votes
2 answers
406 views

System.NullPointerException: Attempt to de-reference a null object Class.CollectionMaster.getCollectionMaster: line 9, column 1

@RestResource(urlMapping='/CollectionMaster/*') global with sharing class CollectionMaster{ @HttpPOST global static CollectionWrapper getCollectionMaster(String userName){ list<...
Madhav Jani's user avatar
0 votes
1 answer
53 views

Attempt To De-reference a Null Object on a Before Trigger [duplicate]

I am trying to a write what should be a pretty simple trigger to compare an old score with a new score and increment a variable based on the difference. The default field values are set to 0. I ...
Brooks Johnson's user avatar
0 votes
1 answer
728 views

Null pointer exception when using {get; set;}

I'm trying to build a custom VF quick action on the Case object that allows users to update checkboxes for case fields and also lets them add some comments that will later be posted to chatter, but ...
Jay's user avatar
  • 676
0 votes
2 answers
40 views

how to add all child in map as a list in trigger handler?

On Entity__c object on that have Event as a related list. i want when i change the owner of the Entity then Owner of the Event also get change. for this i write the trigger on after update.but from UI ...
SalesforceFolks's user avatar