HADOOP-15304. [JDK10] Migrate from com.sun.tools.doclets to the replacement. Contributed by Akira Ajisaka.

hadoop-common-project/hadoop-annotations/pom.xml

@@ -53,6 +53,30 @@
         </dependency>
       </dependencies>
     </profile>
+    <profile>
+      <id>jdk10</id>
+      <activation>
+        <jdk>[10,)</jdk>
+      </activation>
+      <build>
+        <plugins>
+          <plugin>
+            <artifactId>maven-compiler-plugin</artifactId>
+            <configuration>
+              <excludes>
+                <exclude>org/apache/hadoop/classification/tools/</exclude>
+              </excludes>
+            </configuration>
+          </plugin>
+          <plugin>
+            <artifactId>maven-javadoc-plugin</artifactId>
+            <configuration>
+              <excludePackageNames>org.apache.hadoop.classification.tools</excludePackageNames>
+            </configuration>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
   </profiles>
 
 </project>

hadoop-project-dist/pom.xml

@@ -115,15 +115,6 @@
               <packages>org.apache.hadoop*</packages>
             </group>
           </groups>
-          <doclet>org.apache.hadoop.classification.tools.ExcludePrivateAnnotationsStandardDoclet</doclet>
-          <docletArtifacts>
-            <docletArtifact>
-              <groupId>org.apache.hadoop</groupId>
-              <artifactId>hadoop-annotations</artifactId>
-              <version>${hadoop.version}</version>
-            </docletArtifact>
-          </docletArtifacts>
-          <useStandardDocletOptions>true</useStandardDocletOptions>
 
           <!-- switch on dependency-driven aggregation -->
           <includeDependencySources>false</includeDependencySources>
@@ -417,5 +408,30 @@
         </plugins>
       </build>
     </profile>
+    <profile>
+      <id>doclet</id>
+      <activation>
+        <jdk>(,10)</jdk>
+      </activation>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-javadoc-plugin</artifactId>
+            <configuration>
+              <doclet>org.apache.hadoop.classification.tools.ExcludePrivateAnnotationsStandardDoclet</doclet>
+              <docletArtifacts>
+                <docletArtifact>
+                  <groupId>org.apache.hadoop</groupId>
+                  <artifactId>hadoop-annotations</artifactId>
+                  <version>${hadoop.version}</version>
+                </docletArtifact>
+              </docletArtifacts>
+              <useStandardDocletOptions>true</useStandardDocletOptions>
+            </configuration>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
   </profiles>
 </project>