AWS Lambda now supports using a custom serializer with Java runtimes, allowing customers to adapt their Lambda functions to handle incompatible incoming event formats, while enabling flexible mapping between JSON event objects and Java object fields.

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<p>The article discusses a new feature in AWS Lambda that allows users to replace the default Java object serialization library with a custom serializer for Java runtimes.</p>
<p>Specifically, the article covers:</p>
<ul>
<li>AWS Lambda now supports using a custom serializer with Java runtimes</li>
<li>This feature is supported in all current Lambda managed runtimes and container base images for Java</li>
<li>The ability to replace the default Java serializer enables customers to adapt their Lambda functions to cases where the incoming event format is not compatible with the default Lambda serializer</li>
<li>This feature is available in all commercial AWS Regions, the AWS GovCloud (US) Regions, and the China Regions</li>
</ul>
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AWS Lambda now supports using a custom serializer with Java runtimes

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