Fix for #ei-2548

[Asitha]

Purpose

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On rollback, underlying client queue is not cleared. AMQP Rejects are sent only to already consumed (but not committed) messages.

Issue: wso2/product-ei#2548

Goals

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Approach

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User stories

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Release note

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Fix for message redelivery not working properly on a transaction rollback scenario

Documentation

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N/A

Training

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N/A

Certification

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N/A

Marketing

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N/A

Automation tests

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• Integration tests

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Security checks

• Followed secure coding standards in http://wso2.com/technical-reports/wso2-secure-engineering-guidelines? yes/no
• Ran FindSecurityBugs plugin and verified report? yes/no
• Confirmed that this PR doesn't commit any keys, passwords, tokens, usernames, or other secrets? yes/no

Samples

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Related PRs

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Migrations (if applicable)

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Test environment

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Learning

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