Merge pull request apache#17 from bzhang02/add_shc_for_spark_3

[YSPARK-1516] Add customized shc-1.1.2 jar for spark 3

Author: Sanket Chintapalli

README.md

@@ -4,13 +4,17 @@ spark-starter contains simple examples of using Spark. These simple examples sho
 
 #Running with Maven
 
-Before creating a package:
-
-You will need to install the hortonworks Spark HBase Connector jar in your maven repository locally.
-
+To use hortonworks Spark HBase Connector, you will need to specify a compatible shc-core jar in pom.xml.
 ```
- mvn install:install-file  -Dfile=./lib/shc-core-1.1.2-2.2-s_2.11-SNAPSHOT.jar -DgroupId=com.hortonworks -DartifactId=shc-core -Dversion=1.0 -Dpackaging=jar
+<configuration>
+    <groupId>com.hortonworks</groupId>
+    <artifactId>shc-core</artifactId>
+    <version>1.0</version>
+    <packaging>jar</packaging>
+    <file>${basedir}/lib/shc-core-1.1.2-2.4-s_2.11-SNAPSHOT.jar</file>
+</configuration>
 ```
+For spark 2.4, you should use ${basedir}/lib/shc-core-1.1.2-2.4-s_2.11-SNAPSHOT.jar. For spark 3.0, you should use ${basedir}/lib/shc-core-1.1.2-3.0-s_2.12-SNAPSHOT.jar.
 
 To create a package:
 

lib/shc-core-1.1.2-2.4-s_2.11-SNAPSHOT.jar

@@ -132,7 +132,7 @@
                             <artifactId>shc-core</artifactId>
                             <version>1.0</version>
                             <packaging>jar</packaging>
-                            <file>${basedir}/lib/shc-core-1.1.1-2.0-s_2.11-SNAPSHOT.jar</file>
+                            <file>${basedir}/lib/shc-core-1.1.2-2.4-s_2.11-SNAPSHOT.jar</file>
                         </configuration>
                     </execution>
                 </executions>