org.neo4j.ogm.metadata.MappingException

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    • org.neo4j.ogm.metadata.MappingException: Null key for a Map not allowed in JSON (use a converting NullKeySerializer?) at org.neo4j.ogm.session.request.SessionRequestHandler.execute(SessionRequestHandler.java:98) at org.neo4j.ogm.session.delegates.SaveDelegate.save(SaveDelegate.java:66) at org.neo4j.ogm.session.delegates.SaveDelegate.save(SaveDelegate.java:41) at org.neo4j.ogm.session.Neo4jSession.save(Neo4jSession.java:370) at org.neo4j.ogm.integration.convertible.ConvertibleIntegrationTest.shouldSaveAndRetrieveEnums(ConvertibleIntegrationTest.java:66)
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