#45: Downgrading json4s-jackson because we get `java.lang.NoSuchMeth…

…odError: org.json4s.jackson.JsonMethods$.parse`.

README.md

@@ -62,7 +62,7 @@ create all table structures using a single connection.
 
 On the production cluster master:
 - `source /etc/journeymonitor/app-analyze-env.sh`
-- `cd /opt/spark-1.5.1-bin-hadoop-2.6_scala-2.11`
+- `cd /opt/spark-2.0.2-bin-hadoop2.7`
 - `./bin/spark-shell --packages com.datastax.spark:spark-cassandra-connector_2.11:1.5.0-M2,org.json4s:json4s-native_2.11:3.3.0 --master spark://service-misc-experiments-1:7077 --conf spark.cassandra.connection.host=$JOURNEYMONITOR_ANALYZE_SPARK_CASSANDRAHOST`
 
 Within the shell, proceed as follows to work with data in Cassandra:

spark/pom.xml

@@ -49,7 +49,7 @@
     <dependency>
       <groupId>org.json4s</groupId>
       <artifactId>json4s-jackson_${scala.compat.version}</artifactId>
-      <version>3.5.0</version>
+      <version>3.2.11</version>
     </dependency>
 
     <!-- Test -->