Exceptions

Question 1

A problem with asynchronous operation

Answer 1

AsyncException

Question 2

Problem with a web service operation

Answer 2

CalloutException

Question 3

Problem with a DML statement like insert or delete

Answer 3

DmlException

Question 4

Problem with email, such as delivery failure

Answer 4

EmailException

Question 5

Problem with external object records

Answer 5

ExternalObjectException

Question 6

Invalid method parameter problem

Answer 6

InvalidParameterValueException

Question 7

Uncatchable exception when a governor limit has been exceeded

Answer 7

LimitException

Question 8

Problem with JSON serialization and deserialization

Answer 8

JsonException

Question 9

Problem with lists, such as trying to access an index out of bounds

Answer 9

ListException

Question 10

Problem with math operations such as div by 0

Answer 10

MathException

Question 11

Problem related to unauthorized access to objects

Answer 11

NoAccessException

Question 12

Problem that occurs when data does not exist

Answer 12

NoDataFoundException

Question 13

Problem when trying to access a list item that is out of bounds

Answer 13

NoSuchElementException

Question 14

Problem with dereferencing a null variable

Answer 14

NullPointerException

Question 15

Problem with using SOQL query for assignment

Answer 15

QueryException

Question 16

Problem when code requires a feature that has not been enabled

Answer 16

RequiredFeatureException

Question 17

Problem with SOSL queries using search call

Answer 17

Search exception

Question 18

Problem with static methods in Crypto class

Answer 18

SecurityException

Question 19

Problem with data serialization in visualforce

Answer 19

Serialization exception

Question 20

Problem with inserting or updating sObject records

Answer 20

SObjectException

Question 21

Problem with string usage and operations

Answer 21

StringException

Question 22

Problem with type conversion of variables

Answer 22

TypeException

Question 23

Problem related to a visualforce page or controller

Answer 23

VisualforceException

Question 24

Problem with XmlStream classes, such as failure to read XML

Answer 24

XmlException