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Fix the JsonMappingException – HashMap vs START_ARRAY token
1. Introduction In this example. I will create a simple Java project that demonstrates how to fix the JsonMappingException problem: Can not deserialize instance of java.util.HashMap out of START_ARRAY token. The com.fasterxml.jackson.databind.JsonMappingException is a checked exception used to signal fatal problems when mapping content and provides the relevant path of references to help in troubleshooting. …
1. Introduction In this example. I will create a simple Java project that demonstrates how to fix the JsonMappingException problem: Can not deserialize instance of java.util.HashMap out of START_ARRAY token. The com.fasterxml.jackson.databind.JsonMappingException is a checked exception used to signal fatal problems when mapping content and provides the relevant path of references to help in troubleshooting. …
