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dbmdz / iiif-presentation-api

Java library implementing the IIIF Presentation API
MIT License
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java.lang.NoSuchMethodError: com.fasterxml.jackson.core.JsonFactory.requiresPropertyOrdering()Z #12

Open itsjustvenky opened 6 years ago

itsjustvenky commented 6 years ago

Why I am getting this error

java.lang.NoSuchMethodError: com.fasterxml.jackson.core.JsonFactory.requiresPropertyOrdering()Z
        at com.fasterxml.jackson.databind.ObjectMapper.<init>(ObjectMapper.java:571)
        at com.fasterxml.jackson.databind.ObjectMapper.<init>(ObjectMapper.java:480)
        at de.digitalcollections.iiif.presentation.model.impl.jackson.v2.IiifPresentationApiObjectMapper.<init>(IiifPresentationApiObjectMapper.java:76)

I am using jackson lib (2.9.1). core, bindings, annotations, iiif-presentation-model-impl-3.3.0-SNAPSHOT.jar, iiif-presentation-model-api-3.3.0-SNAPSHOT.jar

and I am running this app on Java 8.

Any clues ??

jbaiter commented 6 years ago

Can you do a mvn dependency:tree and check if you have by any chance multiple versions of Jackson on your classpath? My guess is that you have classes from Jackson <= 2.7 in there, since requiresPropertyOrdering was removed in 2.8. This might come from a transitive dependency.