YARN-10314. YarnClient throws NoClassDefFoundError for WebSocketException with only shaded client jars (apache#2075)

(cherry picked from commit fc4ebb0)

Conflicts:
hadoop-client-modules/hadoop-client-minicluster/pom.xml
hadoop-client-modules/hadoop-client-runtime/pom.xml

Change-Id: I36f64efb911a16b865a6b4856bd0f8d595af1c97

Author: vinayakumarb

hadoop-client-modules/hadoop-client-minicluster/pom.xml

@@ -779,15 +779,25 @@
                         <exclude>ehcache-core.xsd</exclude>
                       </excludes>
                     </filter>
-                    <!-- Jetty 9.4.x: jetty-client and jetty-xml are depended by org.eclipse.jetty.websocket:websocket-client.
-                         But we are only excluding jetty-client not jetty-xml because HttpServer2 implicitly uses the shaded package name.
-                    -->
+                    <!-- Jetty 9.4.x: jetty-client and jetty-xml are depended by org.eclipse.jetty.websocket:websocket-client.-->
                     <filter>
                       <artifact>org.eclipse.jetty:jetty-client</artifact>
                       <excludes>
                         <exclude>*/**</exclude>
                       </excludes>
                     </filter>
+                    <filter>
+                      <artifact>org.eclipse.jetty:jetty-xml</artifact>
+                      <excludes>
+                        <exclude>*/**</exclude>
+                      </excludes>
+                    </filter>
+                    <filter>
+                      <artifact>org.eclipse.jetty:jetty-http</artifact>
+                      <excludes>
+                        <exclude>*/**</exclude>
+                      </excludes>
+                    </filter>
                   </filters>
 
                   <!-- relocate classes from mssql-jdbc -->

hadoop-client-modules/hadoop-client-runtime/pom.xml

@@ -158,8 +158,6 @@
                       <!-- the jdk ships part of the javax.annotation namespace, so if we want to relocate this we'll have to care it out by class :( -->
                       <exclude>com.google.code.findbugs:jsr305</exclude>
                       <exclude>io.dropwizard.metrics:metrics-core</exclude>
-                      <exclude>org.eclipse.jetty:jetty-client</exclude>
-                      <exclude>org.eclipse.jetty:jetty-http</exclude>
                       <!-- Leave bouncycastle unshaded because it's signed with a special Oracle certificate so it can be a custom JCE security provider -->
                       <exclude>org.bouncycastle:*</exclude>
                     </excludes>
@@ -208,6 +206,13 @@
                         <exclude>about.html</exclude>
                       </excludes>
                     </filter>
+                    <filter>
+                      <!-- skip jetty license info already incorporated into LICENSE/NOTICE -->
+                      <artifact>org.eclipse.jetty.websocket:*</artifact>
+                      <excludes>
+                        <exclude>about.html</exclude>
+                      </excludes>
+                    </filter>
                     <filter>
                       <!-- skip docs on formats used in kerby -->
                       <artifact>org.apache.kerby:kerb-util</artifact>