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[Solved] Cannot deserialize instance of `java.lang.String` out of START_OBJECT token

Today We are Going To Solve Cannot deserialize instance of `java.lang.String` out of START_OBJECT token in java. Here we will Discuss All Possible Solutions and How this error Occurs So let’s get started with this Article.

How to Fix Cannot deserialize instance of `java.lang.String` out of START_OBJECT token Error?

  1. How to Fix Cannot deserialize instance of `java.lang.String` out of START_OBJECT token Error?

    To Fix Cannot deserialize instance of `java.lang.String` out of START_OBJECT token Error just Check your data type. Just check your data type and make sure that there is if any incorrect Data Type for POJO variables then make sure to correct it. It will solve your error.

  2. Cannot deserialize instance of `java.lang.String` out of START_OBJECT token

    To Fix Cannot deserialize instance of `java.lang.String` out of START_OBJECT token Error just Define nested json. To solve this error just define nested json object as JsonNode should work. You can better understant it by given below example. Lets see this. {"id":2,"socket":"0c317829-69bf-43d6-b598-7c0c550635bb","type":"getDashboard","data":{"workstationUuid":"ddec1caa-a97f-4922-833f-632da07ffc11"},"reply":true} @JsonProperty("data") private JsonNode data;

Solution 1 : Check your data type

Just check your data type and make sure that there is if any incorrect Data Type for POJO variables then make sure to correct it. It will solve your error.

Solution 2 : Define nested json

To solve this error just define nested json object as JsonNode should work. You can better understant it by given below example. Lets see this.

{"id":2,"socket":"0c317829-69bf-43d6-b598-7c0c550635bb","type":"getDashboard","data":{"workstationUuid":"ddec1caa-a97f-4922-833f-632da07ffc11"},"reply":true}

@JsonProperty("data")
    private JsonNode data;

Conclusion

So these were all possible solutions to this error. I hope your error has been solved by this article. In the comments, tell us which solution worked? If you liked our article, please share it on your social media and comment on your suggestions. Thank you.

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