Why Am I Getting HTTP Error 415 (Unsupported Media Type) When Posting JSON Data in Jersey?

POST Requests with JSON in Jersey Failing with Error 415 (Unsupported Media Type)

When employing Jersey with Tomcat, some users encounter HTTP error 415 (Unsupported Media Type) while attempting to POST JSON data. This can arise if your Jersey application lacks the necessary libraries for JSON/POJO support.

To resolve this issue, incorporate the following libraries into your project:

• jersey-media-json-jackson-2.17
• jackson-jaxrs-json-provider-2.3.2
• jackson-core-2.3.2
• jackson-databind-2.3.2
• jackson-annotations-2.3.2
• jackson-jaxrs-base-2.3.2
• jackson-module-jaxb-annotations-2.3.2
• jersey-entity-filtering-2.17

If you're using Maven, adding the following dependency will fetch all of the above:

<code class="xml"><dependency>
    <groupId>org.glassfish.jersey.media</groupId>
    <artifactId>jersey-media-json-jackson</artifactId>
    <version>2.17</version>
</dependency></code>

In the context of Jersey versions other than 2.17, ensure compatibility with Jackson version 2.3.2 for optimal functionality.

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