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Ravikumar Babu CTOO (Unlicensed)

Ravikumar Babu CTOO (Unlicensed)

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titleFor any changes done through Canvas, would it require to keep repackaging the application for changes to be reflected in the App distributed through Apple Store or Google Playstore?

For most of the scenarios, the answer is No. It is not required to redistribute the App. Canvas uses a unique modeling concept that allows for the UI configuration information to be updated seamlessly into the App without having the need to repackage the App. Having said that, there are few situations like changes to skins, images, logic written through Canvas extensions that would require a repackage.

Data Format

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titleException due to date format mismatch

Check for following error pattern in the log file:

Code Block
linenumberstrue
{[CTAUD00155]:AuditHandlerInstruction.logException() - Encountered exception. 
				Exception message : An SQLException occurred while executing the insert operation.

Solution

If such date format mismatch occurs, then change the value of the date field to the user-preferred format.


Encryption

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titleHow to enable encryption of business data, request and response between client and server in the application built using Canvas?

You can enable encryption for the application built using Canvas by setting the 'ENCRYPT_SERVER_CALLS' property to 'Y' in the 'systempreferences.properties' file.

Note

When you enable encryption, Canvas will encrypt all requests coming to your application including log out.

A sample 'systempreferences.properties' file is available in CTModelHouseResource.jar in the Model House application that comes as part of the Canvas platform package.

Note that you must stop and start your application server to enable this feature. After the application server is restarted, access the widgets in the application and check the Network tab in the browser console to verify the encryption.

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