diff --git a/dev-support/Jenkinsfile b/dev-support/Jenkinsfile
index 2098fff8008..8bbb00ebbb9 100644
--- a/dev-support/Jenkinsfile
+++ b/dev-support/Jenkinsfile
@@ -202,7 +202,9 @@ pipeline {
           environment {
             BASEDIR = "${env.WORKSPACE}/component"
             TESTS = "${env.SHALLOW_CHECKS}"
-            SET_JAVA_HOME = '/usr/lib/jvm/java-8'
+            SET_JAVA_HOME = "/usr/lib/jvm/java-11"
+            // Activates hadoop 3.0 profile in maven runs.
+            HADOOP_PROFILE = '3.0'
             OUTPUT_DIR_RELATIVE = "${env.OUTPUT_DIR_RELATIVE_GENERAL}"
             OUTPUT_DIR = "${env.WORKSPACE}/${env.OUTPUT_DIR_RELATIVE_GENERAL}"
             ASF_NIGHTLIES_GENERAL_CHECK_BASE="${ASF_NIGHTLIES_BASE}/${OUTPUT_DIR_RELATIVE}"
diff --git a/dev-support/Jenkinsfile_GitHub b/dev-support/Jenkinsfile_GitHub
index c230f7a8e00..51300a965fc 100644
--- a/dev-support/Jenkinsfile_GitHub
+++ b/dev-support/Jenkinsfile_GitHub
@@ -78,7 +78,7 @@ pipeline {
                     environment {
                         // customized per parallel stage
                         PLUGINS = "${GENERAL_CHECK_PLUGINS}"
-                        SET_JAVA_HOME = '/usr/lib/jvm/java-8'
+                        SET_JAVA_HOME = "/usr/lib/jvm/java-11"
                         WORKDIR_REL = "${WORKDIR_REL_GENERAL_CHECK}"
                         // identical for all parallel stages
                         WORKDIR = "${WORKSPACE}/${WORKDIR_REL}"
diff --git a/hbase-build-configuration/pom.xml b/hbase-build-configuration/pom.xml
index af39aa301eb..6edff1e3dfb 100644
--- a/hbase-build-configuration/pom.xml
+++ b/hbase-build-configuration/pom.xml
@@ -68,11 +68,6 @@
       <activation>
         <activeByDefault>false</activeByDefault>
       </activation>
-      <properties>
-        <!-- https://errorprone.info/docs/installation Maven section has details -->
-        <!-- required when compiling with JDK 8 -->
-        <javac.version>9+181-r4173-1</javac.version>
-      </properties>
       <dependencies>
         <dependency>
           <groupId>com.google.errorprone</groupId>
@@ -86,12 +81,6 @@
             </exclusion>
           </exclusions>
         </dependency>
-        <dependency>
-          <groupId>com.google.errorprone</groupId>
-          <artifactId>javac</artifactId>
-          <version>${javac.version}</version>
-          <scope>provided</scope>
-        </dependency>
       </dependencies>
       <build>
         <plugins>
@@ -100,17 +89,12 @@
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-compiler-plugin</artifactId>
             <configuration>
-              <source>${compileSource}</source>
-              <target>${compileSource}</target>
-              <!-- required when compiling with JDK 8 -->
-              <fork>true</fork>
+              <release>${releaseTarget}</release>
               <showWarnings>true</showWarnings>
               <compilerArgs>
                 <arg>-XDcompilePolicy=simple</arg>
                 <!-- All -Xep need to be on single line see: https://github.com/google/error-prone/pull/1115 -->
-                <arg>-Xplugin:ErrorProne -XepDisableWarningsInGeneratedCode -Xep:FallThrough:OFF -Xep:MutablePublicArray:OFF -Xep:ClassNewInstance:ERROR -Xep:MissingDefault:ERROR</arg>
-                <!-- Required when compiling with JDK 8 -->
-                <arg>-J-Xbootclasspath/p:${settings.localRepository}/com/google/errorprone/javac/${javac.version}/javac-${javac.version}.jar</arg>
+                <arg>-Xplugin:ErrorProne -XepDisableWarningsInGeneratedCode -Xep:FallThrough:OFF -Xep:MutablePublicArray:OFF -Xep:ClassNewInstance:ERROR -Xep:MissingDefault:ERROR -Xep:BanJNDI:WARN</arg>
               </compilerArgs>
               <annotationProcessorPaths>
                 <path>
@@ -121,6 +105,25 @@
               </annotationProcessorPaths>
             </configuration>
           </plugin>
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-enforcer-plugin</artifactId>
+            <executions>
+              <execution>
+                <id>jdk11-required</id>
+                <goals>
+                  <goal>enforce</goal>
+                </goals>
+                <configuration>
+                  <rules>
+                    <requireJavaVersion>
+                      <version>[11,)</version>
+                    </requireJavaVersion>
+                  </rules>
+                </configuration>
+              </execution>
+            </executions>
+          </plugin>
         </plugins>
       </build>
     </profile>
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/util/ServerCommandLine.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/util/ServerCommandLine.java
index b6badc79097..b257a938337 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/util/ServerCommandLine.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/util/ServerCommandLine.java
@@ -36,21 +36,17 @@ import org.apache.yetus.audience.InterfaceAudience;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableSet;
+
 /**
  * Base class for command lines that start up various HBase daemons.
  */
 @InterfaceAudience.Private
 public abstract class ServerCommandLine extends Configured implements Tool {
   private static final Logger LOG = LoggerFactory.getLogger(ServerCommandLine.class);
-  @SuppressWarnings("serial")
-  private static final Set<String> DEFAULT_SKIP_WORDS = new HashSet<String>() {
-    {
-      add("secret");
-      add("passwd");
-      add("password");
-      add("credential");
-    }
-  };
+
+  private static final Set<String> DEFAULT_SKIP_WORDS =
+    ImmutableSet.of("secret", "passwd", "password", "credential");
 
   /**
    * Implementing subclasses should return a usage string to print out.
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestScanner.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestScanner.java
index 779fb9a4c90..97ae1662422 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestScanner.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestScanner.java
@@ -542,14 +542,15 @@ public class TestScanner {
     }
   }
 
-  /*
-   * @param hri Region
+  /**
+   * Count table.
+   * @param hri        Region
    * @param flushIndex At what row we start the flush.
    * @param concurrent if the flush should be concurrent or sync.
    * @return Count of rows found.
    */
   private int count(final Table countTable, final int flushIndex, boolean concurrent)
-    throws IOException {
+    throws Exception {
     LOG.info("Taking out counting scan");
     Scan scan = new Scan();
     for (byte[] qualifier : EXPLICIT_COLS) {
@@ -577,10 +578,10 @@ public class TestScanner {
             }
           }
         };
-        if (concurrent) {
-          t.start(); // concurrently flush.
-        } else {
-          t.run(); // sync flush
+        t.start();
+        if (!concurrent) {
+          // sync flush
+          t.join();
         }
         LOG.info("Continuing on after kicking off background flush");
         justFlushed = true;
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestNonHBaseReplicationEndpoint.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestNonHBaseReplicationEndpoint.java
index 78ee5322fdd..70cae18b456 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestNonHBaseReplicationEndpoint.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestNonHBaseReplicationEndpoint.java
@@ -19,8 +19,6 @@ package org.apache.hadoop.hbase.replication;
 
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
 import java.util.UUID;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
@@ -45,6 +43,8 @@ import org.junit.ClassRule;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 
+import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableMap;
+
 @Category({ MediumTests.class, ReplicationTests.class })
 public class TestNonHBaseReplicationEndpoint {
 
@@ -86,11 +86,8 @@ public class TestNonHBaseReplicationEndpoint {
 
     ReplicationPeerConfig peerConfig = ReplicationPeerConfig.newBuilder()
       .setReplicationEndpointImpl(NonHBaseReplicationEndpoint.class.getName())
-      .setReplicateAllUserTables(false).setTableCFsMap(new HashMap<TableName, List<String>>() {
-        {
-          put(tableName, new ArrayList<>());
-        }
-      }).build();
+      .setReplicateAllUserTables(false)
+      .setTableCFsMap(ImmutableMap.of(tableName, new ArrayList<>())).build();
 
     ADMIN.addReplicationPeer("1", peerConfig);
     loadData(table);
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestBasicWALEntryStream.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestBasicWALEntryStream.java
index 8601bff885c..eda89b232c3 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestBasicWALEntryStream.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestBasicWALEntryStream.java
@@ -611,7 +611,8 @@ public abstract class TestBasicWALEntryStream extends WALEntryStreamTestBase {
     localLogQueue.enqueueLog(emptyLog, fakeWalGroupId);
     ReplicationSourceWALReader reader = new ReplicationSourceWALReader(fs, conf, localLogQueue, 0,
       getDummyFilter(), source, fakeWalGroupId);
-    reader.run();
+    reader.start();
+    reader.join();
     // ReplicationSourceWALReaderThread#handleEofException method will
     // remove empty log from logQueue.
     assertEquals(0, localLogQueue.getQueueSize(fakeWalGroupId));
@@ -650,7 +651,8 @@ public abstract class TestBasicWALEntryStream extends WALEntryStreamTestBase {
       getDummyFilter(), source, fakeWalGroupId);
     assertEquals("Initial log queue size is not correct", 2,
       localLogQueue.getQueueSize(fakeWalGroupId));
-    reader.run();
+    reader.start();
+    reader.join();
 
     // remove empty log from logQueue.
     assertEquals(0, localLogQueue.getQueueSize(fakeWalGroupId));
diff --git a/pom.xml b/pom.xml
index f8805524c0b..6a70a35a5c2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -840,7 +840,7 @@
     -->
     <checkstyle.version>8.29</checkstyle.version>
     <exec.maven.version>1.6.0</exec.maven.version>
-    <error-prone.version>2.10.0</error-prone.version>
+    <error-prone.version>2.16</error-prone.version>
     <jamon.plugin.version>2.4.2</jamon.plugin.version>
     <lifecycle.mapping.version>1.0.0</lifecycle.mapping.version>
     <maven.antrun.version>1.8</maven.antrun.version>