Re-generate new key same alias name using keytool


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Key pair not generated, alias  already exists

This errors will showed if we re-generate new key using same key alias with keytool. To solve this problems, we need to remove the previous key by:

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keytool -delete -alias <your-alias-name> -keystore <your-keystore>

Then, we can re-generate new key by:

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keytool -genkey -v -keystore <your-keystore> -alias <your-alias> -keyalg RSA -keysize 2048 -validity 10000

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