–jar (ADD_JARS) is a special class loading for Spark while –driver-class-path (SPARK_CLASSPATH) is captured by the startup scripts and appended to classpath settings that is used to start the JVM running the driver
You can reference https://www.concur.com/blog/en-us/connect-tableau-to-sparksql on how the use of --jar and --driver-class-path within the context of including the MySQL driver and Hive connectivity. HTH! On Mon, Oct 20, 2014 at 5:28 PM, Chuang Liu <liuchuan...@gmail.com> wrote: > Hi: > > I am using Spark 1.1, and want to add an external jars to spark-shell. I > dig around, and found others are doing it in two ways. > > *Method 1* > > bin/spark-shell --jars "<path-to-jars>" --master ... > > *Method 2* > > ADD_JARS=<path-to-jars> SPARK_CLASSPATH=<path-to-jars> bin/spark-shell > --master ... > > What is the difference between these two methods ? In my case, the method > 1 does not work, while the method 2 works. > > Thanks. > > Chuang >
