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We are using dropwizard version 0.6.3. When we try to upgrade version 0.7.0, we are getting this error on service start.
Exception in thread "main" java.lang.VerifyError: class com.fasterxml.jackson.module.afterburner.deser.SuperSonicBeanDeserializer overrides final method deserialize.(Lcom/fasterxml/jackson/core/JsonParser;Lcom/fasterxml/jackson/databind/DeserializationContext;)Ljava/lang/Object;
Tried searching, didn't get any solution. When i looked into SuperSonicBeanDeserializer class, it has one override method. But the class SuperSonicBeanDeserializer is final. I'm not sure how to resolve this problem. Any solution/suggestion, will help us lot.
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With XML module Jackson provides support for JAXB (javax. xml. bind) annotations as an alternative to native Jackson annotations, so it is possible to reuse existing data beans that are created with JAXB to read and write XMLs.
public class JsonMappingException extends JsonProcessingException. Checked exception used to signal fatal problems with mapping of content, distinct from low-level I/O problems (signaled using simple IOException s) or data encoding/decoding problems (signaled with JsonParseException , JsonGenerationException ).
Jackson is one such Java Json library used for parsing and generating Json files. It has built in Object Mapper class which parses json files and deserializes it to custom java objects. It helps in generating json from java objects.
public class JsonProcessingException extends IOException. Intermediate base class for all problems encountered when processing (parsing, generating) JSON content that are not pure I/O problems. Regular IOException s will be passed through as is. Sub-class of IOException for convenience. See Also: Serialized Form.
A look at the maven dependency tree should help find where the problem is:
mvn dependency:tree -Dverbose
Look for "omitted for conflict" within the results. You likely have a version of jackson-databind older than 2.3.0 that is overriding the version in Dropwizard 0.7.
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