diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index a030550fa6b..cb75b1ba527
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
     <groupId>org.apache</groupId>
     <artifactId>apache</artifactId>
     <version>23</version>
-    <relativePath />
+    <relativePath/>
     <!-- no parent resolution -->
   </parent>
   <groupId>org.apache.zookeeper</groupId>
@@ -343,7 +343,7 @@
                         </goals>
                       </pluginExecutionFilter>
                       <action>
-                        <ignore />
+                        <ignore/>
                       </action>
                     </pluginExecution>
                     <pluginExecution>
@@ -356,7 +356,7 @@
                         </goals>
                       </pluginExecutionFilter>
                       <action>
-                        <ignore />
+                        <ignore/>
                       </action>
                     </pluginExecution>
                     <pluginExecution>
@@ -369,7 +369,7 @@
                         </goals>
                       </pluginExecutionFilter>
                       <action>
-                        <ignore />
+                        <ignore/>
                       </action>
                     </pluginExecution>
                     <pluginExecution>
@@ -382,7 +382,7 @@
                         </goals>
                       </pluginExecutionFilter>
                       <action>
-                        <ignore />
+                        <ignore/>
                       </action>
                     </pluginExecution>
                     <pluginExecution>
@@ -395,7 +395,7 @@
                         </goals>
                       </pluginExecutionFilter>
                       <action>
-                        <ignore />
+                        <ignore/>
                       </action>
                     </pluginExecution>
                   </pluginExecutions>
@@ -436,7 +436,7 @@
     <mockito.version>2.28.2</mockito.version>
     <hamcrest.version>2.2</hamcrest.version>
     <commons-cli.version>1.4</commons-cli.version>
-    <netty.version>4.1.50.Final</netty.version>
+    <netty.version>4.1.94.Final</netty.version>
     <jetty.version>9.4.32.v20200930</jetty.version>
     <jackson.version>2.10.5</jackson.version>
     <jline.version>2.14.6</jline.version>
@@ -845,8 +845,8 @@
             <configuration>
               <exportAntProperties>true</exportAntProperties>
               <target>
-                <property environment="env" />
-                <exec executable="hostname" outputproperty="host.name" />
+                <property environment="env"/>
+                <exec executable="hostname" outputproperty="host.name"/>
               </target>
             </configuration>
           </execution>