Create a new Authentication Flow using the Admin API of RH-SSO

Issue

• Automated creating of Authentication Flows

• POST with a new Authentication flow to {ServerIP}/auth/admin/realms{realm name}/authentication/flows/{flow alias}/executions/execution returns HTTP 500 "internal server error" with exception

  ERROR [org.keycloak.services.error.KeycloakErrorHandler] (default task-80) Uncaught server error: com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot deserialize instance of `java.lang.String` out of START_ARRAY token
  at [Source: (io.undertow.servlet.spec.ServletInputStreamImpl); line: 6, column: 31] (through reference chain: java.util.LinkedHashMap["requirementChoices"])
          at com.fasterxml.jackson.databind.exc.MismatchedInputException.from(MismatchedInputException.java:63)
          at com.fasterxml.jackson.databind.DeserializationContext.reportInputMismatch(DeserializationContext.java:1343)
          at com.fasterxml.jackson.databind.DeserializationContext.handleUnexpectedToken(DeserializationContext.java:1139)
          at com.fasterxml.jackson.databind.deser.std.StdDeserializer._deserializeFromArray(StdDeserializer.java:675)
          at com.fasterxml.jackson.databind.deser.std.StringDeserializer.deserialize(StringDeserializer.java:40)
          at com.fasterxml.jackson.databind.deser.std.StringDeserializer.deserialize(StringDeserializer.java:10)
          at com.fasterxml.jackson.databind.deser.std.MapDeserializer._readAndBindStringKeyMap(MapDeserializer.java:527)
          at com.fasterxml.jackson.databind.deser.std.MapDeserializer.deserialize(MapDeserializer.java:364)
          at com.fasterxml.jackson.databind.deser.std.MapDeserializer.deserialize(MapDeserializer.java:29)
          at com.fasterxml.jackson.databind.ObjectReader._bind(ObjectReader.java:1574)
          at com.fasterxml.jackson.databind.ObjectReader.readValue(ObjectReader.java:965)
          at org.jboss.resteasy.plugins.providers.jackson.ResteasyJackson2Provider.readFrom(ResteasyJackson2Provider.java:135)
  

• PUT returns "method not allowed"