Getting java null pointer exception while running the test case any suggestions

Question

1.00/5 (1 vote)

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This is the script for Test Page using data provider :

@Test(priority=6,dataProvider="getEventInfo",enabled=true)
public void addEventDetails(String eventstitle,String calendervalues,String startdates,String enddates,String categorys,String descriptions
,String locations,String deals,String alertbefores,String alertvias,String remindertimes,String assignedtos,String intervals,String days,String finalenddates)
{

dealspage.EditEvent(eventstitle, calendervalues, startdates, enddates,categorys,descriptions,locations,deals,alertbefores,alertvias,
remindertimes,assignedtos,intervals,days,finalenddates);

Page which calls the Utils and also has the locators defined

public void EditEvent(String newtitle,String calender,
			String startdates,String enddates,String catvalue,String desc,
			String loca,String dealsselection,String alertbefore,
			String alertviadrop,String remindtime,String assignedtoselect,String intervalvalue,String dayvalue,
			String seldate)
	{
		try {
			
			elementutils.waitforElementPresent(AddEventbutton);
			elementutils.doclick(AddEventbutton);
			elementutils.waitforElementPresent(eventtitle);
			elementutils.doSendKeys(eventtitle, newtitle);
			elementutils.waitforElementPresent(Calenderdropdownclick);
			elementutils.doclick(Calenderdropdownclick);
			elementutils.selectvaluefromdropdown(calendervalueselection, calender);
			elementutils.waitforElementPresent(addnewCalenderName);
			//elementutils.doSendKeys(addnewCalenderName, addnewcalender);
			elementutils.waitforclickingElement(savecalendername);
			elementutils.doclick(savecalendername);
			//elementutils.selectvaluefromdropdown(calendervalueselection, calender1);
			elementutils.waitforclickingElement(Startdateclick);
			elementutils.clickonCalender(startdatecolumselection, startdates);
			elementutils.waitforElementPresent(enddateclick);
			elementutils.doclick(enddateclick);
			elementutils.waitforclickingElement(enddatecolumnselection);
			elementutils.clickonCalender(enddatecolumnselection, enddates);
			elementutils.waitforclickingElement(categoryEvent);
			elementutils.doclick(categoryEvent);

			elementutils.selectvaluefromdropdown(categoryEventvalue, catvalue);

			elementutils.waitforElementPresent(description);
			elementutils.doSendKeys(description, desc);
			elementutils.waitforElementPresent(location);
			elementutils.doSendKeys(location, loca);
			elementutils.waitforElementPresent(alldaytoggle);
			elementutils.doclick(alldaytoggle);
			elementutils.waitforclickingElement(DealSearchicon);
			elementutils.doclick(DealSearchicon);
			elementutils.selectvaluefromdropdown(dealsdropdownselection, dealsselection);
			elementutils.waitforElementPresent(Alertbefore);
			elementutils.doclick(Alertbefore);
			elementutils.selectvaluefromdropdown(Alertbeforevalue, alertbefore);
			elementutils.waitforElementPresent(Alertviadropdown);
			elementutils.doclick(Alertviadropdown);
			elementutils.selectvaluefromdropdown(Alertviadropdownvalue, alertviadrop);
			elementutils.waitforElementPresent(remindertime);
			elementutils.doSendKeys(remindertime, remindtime);
			elementutils.waitforElementPresent(Assignedto);
			elementutils.doclick(Assignedto);
			elementutils.selectvaluefromdropdown(Assignedtovalueselection, assignedtoselect);
			elementutils.waitforclickingElement(Recurrenceset);
			elementutils.doclick(Recurrenceset);
			elementutils.waitforElementPresent(intervaldropdownlick);
			elementutils.doclick(intervaldropdownlick);
			elementutils.selectvaluefromdropdown(intervalvalueselect, intervalvalue);
			elementutils.waitforElementPresent(days);
			elementutils.doclick(days);
			elementutils.selectvaluefromdropdown(daysvalueselect, dayvalue);
			elementutils.waitforElementPresent(Endat);
			elementutils.doclick(Endat);
			elementutils.waitforElementPresent(selectdate);
			elementutils.clickonCalender(selectdate, seldate);
			elementutils.waitforElementPresent(setbutton);
			elementutils.doclick(setbutton);
			elementutils.waitforElementPresent(saveevent);
			elementutils.doclick(saveevent);






		}catch(Exception e)
		{
			System.out.println("Element is not clickable");
		}

	}

What I have tried:

have tried to implement waits but there is no solution getting the same error:
below is the stacktrace:

Caused by: java.lang.NullPointerException
	at com.qa.FreeCRMPRO.Utils.ExcelUtil.getTestData(ExcelUtil.java:41)
	at com.qa.FreeCRMPRO.test.DealsPageTest.getEventInfo(DealsPageTest.java:96)

Error: is caused in this line:

Caused by: data[i][k] = sheet.getRow(i+1).getCell(k).toString();

Posted 27-Sep-20 20:33pm

sandy772020

Updated 27-Sep-20 21:15pm

v2

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Comments

Richard MacCutchan 28-Sep-20 3:45am

Either sheet is null, or getRow or getCell are not returning valid references. That may well be due to the indices i or k being out of range.

sandy772020 28-Sep-20 4:53am

thanks for the input but neither is the sheet null nor it is out of range any other suggestions

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OriginalGriff · Answer 1 · 2020-09-27T20:36:00

This is one of the most common problems we get asked, and it's also the one we are least equipped to answer, but you are most equipped to answer yourself.

Let me just explain what the error means: You have tried to use a variable, property, or a method return value but it contains null - which means that there is no instance of a class in the variable.
It's a bit like a pocket: you have a pocket in your shirt, which you use to hold a pen. If you reach into the pocket and find there isn't a pen there, you can't sign your name on a piece of paper - and you will get very funny looks if you try! The empty pocket is giving you a null value (no pen here!) so you can't do anything that you would normally do once you retrieved your pen. Why is it empty? That's the question - it may be that you forgot to pick up your pen when you left the house this morning, or possibly you left the pen in the pocket of yesterdays shirt when you took it off last night.

We can't tell, because we weren't there, and even more importantly, we can't even see your shirt, much less what is in the pocket!

Back to computers, and you have done the same thing, somehow - and we can't see your code, much less run it and find out what contains null when it shouldn't.
But you can - and Your IDE will help you here. Run your program in the debugger and when it fails, the debugger will show you the line it found the problem on. You can then start looking at the various parts of it to see what value is null and start looking back through your code to find out why. So put a breakpoint at the beginning of the method containing the error line, and run your program from the start again. This time, VS will stop before the error, and let you examine what is going on by stepping through the code looking at your values.

But we can't do that - we don't have your code, we don't know how to use it if we did have it, we don't have your data. So try it - and see how much information you can find out!