How to Handle HTTP Error 415 in Jersey POST Requests?

HTTP Error 415 Handling in Jersey POST Requests

Implementing a JAX-RS web application using Jersey and Tomcat may result in encountering an "Unsupported Media Type" HTTP status 415 error when attempting to perform POST requests with JSON payloads. This issue is related to the lack of out-of-the-box JSON support in the Jersey distribution.

To resolve this issue, it is necessary to add the following dependencies to your project:

• jersey-media-json-jackson: Provides JSON support for Jersey
• jackson-jaxrs-json-provider: Jackson provider for Jersey
• jackson-core: Jackson core library
• jackson-databind: Jackson data binding library
• jackson-annotations: Jackson annotation library
• jackson-jaxrs-base: Jackson base library for JAX-RS
• jackson-module-jaxb-annotations: Jackson module for JAXB annotations
• jersey-entity-filtering: Jersey dependency for entity filtering

If using Maven, the following code will add all the necessary dependencies:

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

For other versions of Jersey, refer to the Jersey documentation to determine the appropriate transitive dependencies and versions. Make sure the Jackson dependency matches the version required by the specific Jersey version you are using.

By adding these dependencies, you enable the necessary support for handling JSON payloads in POST requests, resolving the HTTP 415 error.

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