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How to explain exception handling in Salesforce?
Explain exception handling in Salesforce with example in test class (how to write using try/catch block).
Total 20 exception methods are there.
Please explain those exceptions.
At least you can explain AsyncException, JSONException , XmlException, EmailException , InvalidParameterValueException , BigObjectException .
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This discussion was modified 6 years, 3 months ago by
Sirichandana.
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This discussion was modified 6 years, 3 months ago by Forcetalks.
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This discussion was modified 6 years, 2 months ago by Forcetalks.
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This discussion was modified 6 years, 2 months ago by Forcetalks.
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This discussion was modified 6 years, 2 months ago by Forcetalks.
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This discussion was modified 6 years, 3 months ago by
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2 Replies
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Hi Sirichandan,
An exception denotes an error that disrupts the normal flow of code execution. You can use Apex built-in exceptions or create custom exceptions. All exceptions have common methods.
- AsyncException:- Any problem with an asynchronous operation, such as failing to enqueue an asynchronous call.
- JSONException:- Any problem with JSON serialization and deserialization operations. For more information, see the methods of System.JSON, System.JSONParser, andSystem.JSONGenerator.
- XmlException:- Any problem with the XmlStream classes, such as failing to read or write XML.
- EmailException:- Any problem with email, such as failure to deliver. For more information, see Outbound Email.
- InvalidParameterValueException:- An invalid parameter was supplied for a method or any problem with a URL used with Visualforce pages. For more information on Visualforce, see the Visualforce Developer's Guide.
- BigObjectException:- Any problem with big object records, such as connection timeouts during attempts to access or insert big object records.
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Hi Sirichandan,
Exception (fault) is an abnormal event that occurs generally after the execution of a program. It affects the normal program flow.
→It is run time error through which execution is stopped
→ Another name for run time error is exception error, there are two types of errorsSyntax error (or) Compile time
Runtime error (or) exception
→ A compile-time (syntax) error occurs whenever we violate the syntax of the language
→ The only way to overcome this scenario is by changing the source code
→ In case of run time error, this might occur not due to programming error but because of run time
→ Environment such asImproper limits
Lack of resources // insufficient memory
Lack of connectivity
→ Such errors also stop the execution
→ In order to overcome run time errors and to continue with the execution of the programming language a mechanism is provided known as exception handling
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