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de-reference a null object
what is "de-reference a null object" error in Apex?
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3 Replies
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Hello Chanchal,
This error is caused by a line of code that is trying to use an object that has not been instantiated, or an object’s attribute that has not been initialized.
NOTE: If the field Site was left empty, it will generate the error message as well.
Thanks.
Parul
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Hi Chanchal,
This is the equivalent of the Null Pointer Exception in Java.
This error is caused by a line of code that is trying to use an object that has not been instantiated, or an object's attribute that has not been initialized.
Hope this helps.
Thanks.
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Hi,
Mostly this error occurs when you have not initialize the list/set/map etc and using their methods.
When you query any sobject with no records and then using its fields somewhere in code without null or empty check
Hope this helps.
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