Use the maven "shade" plugin to create a uber jar

scalaApp/spark-scala-test/pom.xml

@@ -111,6 +111,31 @@
                     </execution>
                 </executions>
             </plugin>
+            <plugin>
+              <groupId>org.apache.maven.plugins</groupId>
+              <artifactId>maven-shade-plugin</artifactId>
+              <version>2.3</version>
+              <configuration>
+                <filters>
+                  <filter>
+                    <artifact>*:*</artifact>
+                    <excludes>
+                      <exclude>META-INF/*.SF</exclude>
+                      <exclude>META-INF/*.DSA</exclude>
+                      <exclude>META-INF/*.RSA</exclude>
+                    </excludes>
+                  </filter>
+                </filters>
+              </configuration>
+              <executions>
+                <execution>
+                  <phase>package</phase>
+                  <goals>
+                    <goal>shade</goal>
+                  </goals>
+                </execution>
+              </executions>
+            </plugin>
             
       </plugins>
   </build>