Apply pr769 again, reverted by pr208

Leemoonsoo · Leemoonsoo · commit ea8fee83d5e9 · 2016-05-12T08:04:58.000-07:00
diff --git a/bin/interpreter.sh b/bin/interpreter.sh
@@ -85,7 +85,7 @@ if [[ "${INTERPRETER_ID}" == "spark" ]]; then
     export SPARK_SUBMIT="${SPARK_HOME}/bin/spark-submit"
     SPARK_APP_JAR="$(ls ${ZEPPELIN_HOME}/interpreter/spark/zeppelin-spark*.jar)"
     # This will evantually passes SPARK_APP_JAR to classpath of SparkIMain
-    ZEPPELIN_CLASSPATH=${SPARK_APP_JAR}
+    ZEPPELIN_CLASSPATH+=${SPARK_APP_JAR}
     # Need to add the R Interpreter
     RZEPPELINPATH="$(ls ${ZEPPELIN_HOME}/interpreter/spark/zeppelin-zr*.jar)"
     ZEPPELIN_CLASSPATH="${ZEPPELIN_CLASSPATH}:${RZEPPELINPATH}"
