Update Accumulo-Examples pom

* update pom.xml to refer to Accumulo-2.1.0-SNAPSHOT
* update pom.xml to use jdk 11
* update Viewer.java to run with jdk 11
* add info message to BulkIngestExample class
diff --git a/pom.xml b/pom.xml
index b95fd82..f2b43e5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,17 +24,17 @@
   </parent>
   <groupId>org.apache.accumulo</groupId>
   <artifactId>accumulo-examples</artifactId>
-  <version>2.0.0-SNAPSHOT</version>
+  <version>2.1.0-SNAPSHOT</version>
   <name>Apache Accumulo Examples</name>
   <description>Example code and corresponding documentation for using Apache Accumulo</description>
   <properties>
-    <accumulo.version>2.0.0</accumulo.version>
+    <accumulo.version>2.1.0-SNAPSHOT</accumulo.version>
     <eclipseFormatterStyle>contrib/Eclipse-Accumulo-Codestyle.xml</eclipseFormatterStyle>
-    <hadoop.version>3.2.1</hadoop.version>
+    <hadoop.version>3.3.0</hadoop.version>
     <log4j.version>2.14.0</log4j.version>
-    <maven.compiler.release>8</maven.compiler.release>
-    <maven.compiler.source>1.8</maven.compiler.source>
-    <maven.compiler.target>1.8</maven.compiler.target>
+    <maven.compiler.release>11</maven.compiler.release>
+    <maven.compiler.source>11</maven.compiler.source>
+    <maven.compiler.target>11</maven.compiler.target>
     <zookeeper.version>3.4.14</zookeeper.version>
   </properties>
   <dependencyManagement>
@@ -92,11 +92,6 @@
       <version>3.1.0-incubating</version>
     </dependency>
     <dependency>
-      <groupId>org.apache.zookeeper</groupId>
-      <artifactId>zookeeper</artifactId>
-      <version>${zookeeper.version}</version>
-    </dependency>
-    <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-api</artifactId>
       <version>${log4j.version}</version>
@@ -111,6 +106,11 @@
       <artifactId>log4j-slf4j-impl</artifactId>
       <version>${log4j.version}</version>
     </dependency>
+    <dependency>
+      <groupId>org.apache.zookeeper</groupId>
+      <artifactId>zookeeper</artifactId>
+      <version>${zookeeper.version}</version>
+    </dependency>
     <!-- Test dependencies -->
     <dependency>
       <groupId>junit</groupId>
diff --git a/src/main/java/org/apache/accumulo/examples/dirlist/Viewer.java b/src/main/java/org/apache/accumulo/examples/dirlist/Viewer.java
index 1783efd..ea28179 100644
--- a/src/main/java/org/apache/accumulo/examples/dirlist/Viewer.java
+++ b/src/main/java/org/apache/accumulo/examples/dirlist/Viewer.java
@@ -33,6 +33,7 @@
 import javax.swing.event.TreeSelectionListener;
 import javax.swing.tree.DefaultMutableTreeNode;
 import javax.swing.tree.DefaultTreeModel;
+import javax.swing.tree.TreeNode;
 import javax.swing.tree.TreePath;
 
 import org.apache.accumulo.core.client.AccumuloClient;
@@ -120,9 +121,9 @@
 
   public void populateChildren(DefaultMutableTreeNode node) throws TableNotFoundException {
     @SuppressWarnings("unchecked")
-    Enumeration<DefaultMutableTreeNode> children = node.children();
+    Enumeration<TreeNode> children = node.children();
     while (children.hasMoreElements()) {
-      populate(children.nextElement());
+      populate((DefaultMutableTreeNode) children.nextElement());
     }
   }
 
@@ -176,9 +177,9 @@
   public void treeCollapsed(TreeExpansionEvent event) {
     DefaultMutableTreeNode node = (DefaultMutableTreeNode) event.getPath().getLastPathComponent();
     @SuppressWarnings("unchecked")
-    Enumeration<DefaultMutableTreeNode> children = node.children();
+    Enumeration<TreeNode> children = node.children();
     while (children.hasMoreElements()) {
-      DefaultMutableTreeNode child = children.nextElement();
+      DefaultMutableTreeNode child = (DefaultMutableTreeNode) children.nextElement();
       log.debug("removing children of " + ((NodeInfo) child.getUserObject()).getFullName());
       child.removeAllChildren();
     }
diff --git a/src/main/java/org/apache/accumulo/examples/mapreduce/bulk/BulkIngestExample.java b/src/main/java/org/apache/accumulo/examples/mapreduce/bulk/BulkIngestExample.java
index 0791265..d5b3aa1 100644
--- a/src/main/java/org/apache/accumulo/examples/mapreduce/bulk/BulkIngestExample.java
+++ b/src/main/java/org/apache/accumulo/examples/mapreduce/bulk/BulkIngestExample.java
@@ -157,6 +157,8 @@
       // With HDFS permissions on, we need to make sure the Accumulo user can read/move the rfiles
       FsShell fsShell = new FsShell(opts.getHadoopConfig());
       fsShell.run(new String[] {"-chmod", "-R", "777", workDir});
+      System.err.println("Importing Directory '" + workDir + SLASH_FILES + "' to table '"
+          + SetupTable.tableName + "'");
       client.tableOperations().importDirectory(workDir + SLASH_FILES).to(SetupTable.tableName)
           .load();
     }