Coding⏱️ 2 min read📅 2026-06-03
How to Fix: Retrofit 2.0 how to get deserialised error response.body
Retrofit 2.0 deserialization issue with custom error response.
Quick Answer: Use the `errorBody()` method to get the deserialized error object, and then cast it to your custom class type.
📋 Table of Contents
To resolve the deserialization error response.body in Retrofit 2.0, you need to explicitly handle the error response.
🔍 Why This Happens
- When using Retrofit 2.0, the error response is not automatically deserialized into an object.
🔧 Proven Troubleshooting Steps
Method 1: Handle Error Response Explicitly
- Step 1: Create a custom error class that extends Retrofit's ErrorBody.
Method 2: Use @ErrorClass Annotation
- Step 1: Add the @ErrorClass annotation to your error response type.
💡 Conclusion
By following these steps, you should be able to deserialize the error response into an object using Retrofit 2.0.
❓ Frequently Asked Questions
When using Retrofit 2.0, the error response is not automatically deserialized into an object.
Step 1: Create a custom error class that extends Retrofit's ErrorBody.
Step 1: Add the @ErrorClass annotation to your error response type.
By following these steps, you should be able to deserialize the error response into an object using Retrofit 2.0.
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