JSON parse error: Cannot deserialize value of type `java.util.ArrayList
时间: 2023-09-21 19:05:37 浏览: 62
This error occurs when trying to deserialize a JSON string into a Java object that contains an ArrayList field, but the ArrayList cannot be properly deserialized. There are a few possible reasons for this error:
1. The JSON string may not be in the correct format for deserialization. Make sure that the JSON string follows the correct syntax and structure for the Java object being deserialized.
2. The ArrayList field in the Java object may not have the correct data type. Ensure that the ArrayList field is declared as an ArrayList of the correct type.
3. The JSON string may contain invalid data that cannot be deserialized into the ArrayList field. Check the JSON string for any unexpected values or data types.
To fix this error, you may need to modify the JSON string or the Java object to ensure that the ArrayList can be properly deserialized. Alternatively, you can use a JSON library or tool that can handle deserialization errors and provide more detailed error messages to help you identify the issue.