[YARN] [SPARK-20756] yarn-shuffle jar has references to unshaded guava and contains scala classes

Author: markgrover

common/network-yarn/pom.xml

@@ -87,6 +87,9 @@
             <includes>
               <include>*:*</include>
             </includes>
+            <excludes>
+              <exclude>org.scala-lang:scala-library</exclude>
+            </excludes>
           </artifactSet>
           <filters>
             <filter>
@@ -113,6 +116,13 @@
                 <include>io.netty.**</include>
               </includes>
             </relocation>
+            <relocation>
+              <pattern>com.google.common</pattern>
+              <shadedPattern>${spark.shade.packageName}.guava</shadedPattern>
+              <includes>
+                <include>com.google.**</include>
+              </includes>
+            </relocation>
           </relocations>
         </configuration>
         <executions>