fixed build

checkstyle-strict.xml

@@ -144,12 +144,10 @@ page at http://checkstyle.sourceforge.net/config.html -->
         <module name="JavadocMethod">
             <property name="scope" value="protected"/>
             <property name="severity" value="error"/>
-            <property name="allowMissingJavadoc" value="true"/>
             <property name="allowMissingParamTags" value="true"/>
             <property name="allowMissingReturnTag" value="true"/>
             <property name="allowMissingThrowsTags" value="true"/>
             <property name="allowThrowsTagsForSubclasses" value="true"/>
-            <property name="allowUndeclaredRTE" value="true"/>
         </module>
 
         <!-- Check that paragraph tags are used correctly in Javadoc. -->

pom.xml

@@ -332,7 +332,7 @@
     <commons-collections.version>4.4</commons-collections.version>
     <dropwizard.version>4.1.12.1</dropwizard.version>
     <spotbugsannotations.version>4.0.2</spotbugsannotations.version>
-    <checkstyle.version>8.39</checkstyle.version>
+    <checkstyle.version>8.19</checkstyle.version>
     <enforcer.version>3.0.0-M3</enforcer.version>
     <commons-io.version>2.11.0</commons-io.version>
     <burningwave.mockdns.version>0.25.4</burningwave.mockdns.version>

zookeeper-contrib/zookeeper-contrib-zooinspector/pom.xml

@@ -77,6 +77,7 @@
     <dependency>
       <groupId>commons-collections</groupId>
       <artifactId>commons-collections</artifactId>
+      <version>3.2.2</version>
     </dependency>
   </dependencies>
 </project>