title: Error coming when testing lambda function
body: <p>When I test the lambda function (lambda function is Hello world) it gives the error mentioned below:</p>
  
  <pre><code> {   "errorMessage": "An error occurred during JSON parsing",   "errorType": "java.lang.RuntimeException",   "stackTrace": [],   "cause": {
      "errorMessage": "com.fasterxml.jackson.databind.JsonMappingException: Can not deserialize instance of int out of START_OBJECT token\n at [Source: lambdainternal.util.NativeMemoryAsInputStream@4520ebad; line: 1, column: 1]",
      "errorType": "java.io.UncheckedIOException",
      "stackTrace": [],
      "cause": {
        "errorMessage": "Can not deserialize instance of int out of START_OBJECT token\n at [Source: lambdainternal.util.NativeMemoryAsInputStream@4520ebad; line: 1, column: 1]",
        "errorType": "com.fasterxml.jackson.databind.JsonMappingException",
        "stackTrace": [
          "com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:148)",
          "com.fasterxml.jackson.databind.DeserializationContext.mappingException(DeserializationContext.java:857)",
          "com.fasterxml.jackson.databind.deser.std.StdDeserializer._parseInteger(StdDeserializer.java:460)",
          "com.fasterxml.jackson.databind.deser.std.NumberDeserializers$IntegerDeserializer.deserialize(NumberDeserializers.java:309)",
          "com.fasterxml.jackson.databind.deser.std.NumberDeserializers$IntegerDeserializer.deserialize(NumberDeserializers.java:287)",
          "com.fasterxml.jackson.databind.ObjectReader._bindAndClose(ObjectReader.java:1511)",
          "com.fasterxml.jackson.databind.ObjectReader.readValue(ObjectReader.java:1102)"
        ]
      }   } }
  </code></pre>