Playbook Application signature failed code signing request failed because this file has been previously signed

Original: http://supportforums.blackberry.com/t5/Testing-and-Deployment/ code-signing-request-failed-because-this-file-has-been/ta-p/798291

For WebWorks only, AIR application problem resolution.

Android app Signature also has this problem, how to solve, still unclear ~ ~

This article applies to the Following:blackberry®tablet OS SDK for adobe®air® problem

The following error is received if attempting to sign your application.

Code Signing request failed because this file has been previously signed.

cause

A specific version of a BlackBerry Tablet OS application can is only signed once. If you modify the application without incrementing it version and try to sign the application a second time you'll rece  Ive this error. It's recommended to sign only the final iteration of a BlackBerry Tablet OS application, that's you plan to deploy.

Resolution for BlackBerry Tablet OS Air Applications

Increment the version number and rebuild the BlackBerry Tablet OS application. Use the following steps to increment the version number.

Open the yourapplicationname-app.xml file. Locate the <versionNumber>1.0.0</versionNumber> tag. Increment the value within the versionnumber tag. Build and sign the application. Resolution for BlackBerry Tablet OS webworks Applications

Increment the version number and rebuild your application using the BLACKBERRY®WEBWORKS™SDK for Tablet OS. Use the following steps to increment the version number.

Open The config file Locate the version= "x.x.x.x" property within the <widget> tag Increment t He value of this property and save the config . File Build and sign the application