After creating a Managed Package, I am facing issue with Class in following line:
Schema.DescribeSObjectResult objResult = GlobalDescribeMap.get(objectName).getDescribe();
Error message:
System.NullPointerException: Attempt to de-reference a null object
Class:
global class AnalyzeObjectBatch implements Database.Batchable<sObject>,Database.Stateful {
global string objectName;
global string objForAnalysisID;
Object_Analysis__c objForAnalysis ;
List<Field_Analysis__c> fieldAnalysisList ;
List<Field_Analysis__c> fieldAnalysisListToDel ;
Map<string,Field_Analysis__c> fieldAnalysisMap ;
Map<string,Field_Analysis__c> fieldAnalysisOldMap ;
integer recordCount = 0;
//Schema.DescribeSObjectResult objResult ;
Set<string> fieldSet ;
global Map<String, Schema.SObjectType> GlobalDescribeMap ;
global AnalyzeObjectBatch(string objAnalysisID){
objForAnalysisID = objAnalysisID;
System.debug('---------05'+ objForAnalysisID);
objForAnalysis = [select Name,Record_Count__c,Object_Name__c from Object_Analysis__c where id=:objAnalysisID];
system.debug('objForAnalysis :: '+ objForAnalysis);
objectName = objForAnalysis.Object_Name__c;
fieldAnalysisList = new List<Field_Analysis__c>();
fieldAnalysisListToDel = new List<Field_Analysis__c>();
fieldAnalysisMap = new Map<string,Field_Analysis__c>();
fieldAnalysisOldMap = new Map<string,Field_Analysis__c>();
//string qStr = 'select Name,CreatedDate,LastmodifiedDate,createdBy.Name, LastmodifiedBy.Name from ' + objectName ;
//List<sObject> sobjList = Database.query(qStr);
//System.debug('------------------1.0'+ sobjList);
//Account obj = [select id, lastmodifieddate from Account];
//objectName flds = [select CreatedDate,LastmodifiedDate,createdBy.Name, LastmodifiedBy.Name from objectName];
//System.debug('------------1.1'+ flds);
}
global Database.querylocator start(Database.BatchableContext BC) {
system.debug('>>>>> Batch Start ');
system.debug('-------------<' + Schema.getGlobalDescribe());
GlobalDescribeMap = Schema.getGlobalDescribe();
string fieldStr = '';
system.debug('GlobalDescribeMap:: '+ GlobalDescribeMap.get('Object_Analysis__c'));
//system.debug('GlobalDescribeMap desc:: '+ GlobalDescribeMap.get('Object_Analysis__c').getDescribe());
//System.Debug('----------->' + GlobalDescribeMap.get(objectName).getDescribe());
Schema.DescribeSObjectResult objResult = GlobalDescribeMap.get(objectName).getDescribe();
Map<String, Schema.SObjectField> objectFields = objResult.fields.getMap();
fieldSet = new Set<string>(objectFields.keyset());
fieldAnalysisList = [select id,name,Populated_On__c,Type__c
from Field_Analysis__c where Object_Analysis__c=:objForAnalysisID ];
System.debug('-------------------01'+fieldAnalysisList);
for(Field_Analysis__c fldA : fieldAnalysisList){
if(fieldSet.contains(fldA.name)){
fieldAnalysisOldMap.put(fldA.name,fldA);
}else{
fieldAnalysisListToDel.add(fldA);
}
}
for(Schema.SObjectField fieldToken : objectFields.values()){
System.debug('--------------02'+fieldToken);
Schema.DescribeFieldResult dr = fieldToken.getDescribe();
System.debug('----------1'+dr);
fieldStr += dr.getName() + ',';
if(!fieldAnalysisOldMap.containskey(dr.getName())){
Field_Analysis__c fa = new Field_Analysis__c();
fa.name = dr.getName();
fa.Label__c = dr.getLabel();
fa.Type__c = string.valueof(dr.getType());
fa.Populated_On__c = 0;
fa.Object_Analysis__c = objForAnalysis.id;
//fa.CreatedDate__c = String.valueOf(dr.getName());
//fieldAnalysisList.add(fa);
fieldAnalysisOldMap.put(dr.getName(),fa);
}else{
fieldAnalysisOldMap.get(dr.getName()).Populated_On__c = 0;
fieldAnalysisOldMap.get(dr.getName()).Label__c = dr.getLabel();
// fieldAnalysisOldMap.get(dr.getName()).CreatedDate__c = 'TEST';
fieldAnalysisOldMap.get(dr.getName()).Type__c = string.valueof(dr.getType());
}
}
fieldStr = fieldStr.substring(0, fieldStr.length()-1);
string queryStr = 'select ' + fieldStr + ' from ' + objectName;
system.debug('>> fieldSet ' + fieldSet);
return Database.getQueryLocator(queryStr);
}
global void execute(Database.BatchableContext BC, List<sObject> scope){
system.debug('>>>>> Batch execute ');
recordCount += scope.size();
system.debug('>> fieldAnalysisOldMap ' + fieldAnalysisOldMap);
system.debug('>> fieldSet ' + fieldSet);
for(sObject objRec: scope){
for(string fieldName : fieldAnalysisOldMap.keyset()){
if(fieldAnalysisOldMap.get(fieldName).Type__c == 'BOOLEAN'){
if(objRec.get(fieldName)!= false)
fieldAnalysisOldMap.get(fieldName).Populated_On__c += 1;
}else if(objRec.get(fieldName)!=null){
fieldAnalysisOldMap.get(fieldName).Populated_On__c += 1;
}
}
}
}
global void finish(Database.BatchableContext BC) {
system.debug('>>>>> Batch finish ');
objForAnalysis.Record_Count__c = recordCount;
objForAnalysis.Last_Analyzed_Date__c = system.now();
update objForAnalysis; // update total record count on Object analysis
upsert fieldAnalysisOldMap.values(); // insert new field details and update existing field details
if(fieldAnalysisListToDel.size()>0)
delete fieldAnalysisListToDel; // remove deleted field details
//send email notification to the usr who started the Analysis
Messaging.SingleEmailMessage mail = new Messaging.SingleEmailMessage();
string objAnyURL = URL.getSalesforceBaseUrl().toExternalForm() + '/' + objForAnalysis.id;
mail.setUseSignature(false);
mail.setSaveAsActivity(false);
User u = [select email from user where id=:userinfo.getUserId()];
mail.setToAddresses(new List<string>{u.email});
mail.setSubject('Object Analysis Status ');
string mailBody = '<h2> Object Analysis for ' + objForAnalysis.name + ' is completed for the object ' + objForAnalysis.Object_Name__c + ' </h2><br/>';
mailBody += '<a href="' + objAnyURL + '">' + objAnyURL + ' </a><br/><br/>';
mailBody += 'Regards, <br/> Object Analysis';
mail.setHtmlBody(mailBody);
Messaging.sendEmail(new Messaging.SingleEmailMessage[] { mail });
}
}
Please Help
