rickyma commented on a change in pull request #3198:
URL: https://github.com/apache/ambari/pull/3198#discussion_r437320252



##########
File path: 
ambari-agent/src/main/java/org/apache/ambari/tools/zk/ZkConnection.java
##########
@@ -41,6 +41,7 @@ public static ZooKeeper open(String serverAddress, int 
sessionTimeoutMillis, int
   {
     final CountDownLatch connSignal = new CountDownLatch(1);
     ZooKeeper zooKeeper = new ZooKeeper(serverAddress, sessionTimeoutMillis, 
new Watcher() {

Review comment:
       Lambda expressions are not supported at language level '7'. ambari-agent 
is still using 1.7. Need I change that too? pom.xml under ambari-agent:
   `
   <plugin>
       <artifactId>maven-compiler-plugin</artifactId>
       <version>3.0</version>
       <configuration>
         <source>1.7</source>
         <target>1.7</target>
       </configuration>
   </plugin>
   `

##########
File path: 
ambari-agent/src/main/java/org/apache/ambari/tools/zk/ZkConnection.java
##########
@@ -41,6 +41,7 @@ public static ZooKeeper open(String serverAddress, int 
sessionTimeoutMillis, int
   {
     final CountDownLatch connSignal = new CountDownLatch(1);
     ZooKeeper zooKeeper = new ZooKeeper(serverAddress, sessionTimeoutMillis, 
new Watcher() {

Review comment:
       Lambda expressions are not supported at language level '7'. ambari-agent 
is still using 1.7. Need I change that too? pom.xml under ambari-agent:
   
![image](https://user-images.githubusercontent.com/13834479/84139655-d8eb6f80-aa82-11ea-8cd1-64ddff3a95bd.png)
   

##########
File path: 
ambari-server/src/main/java/org/apache/ambari/server/state/fsm/event/Event.java
##########
@@ -26,5 +26,6 @@
 
   TYPE getType();
   long getTimestamp();
+  @Override

Review comment:
       OK, I'll remove it.

##########
File path: 
ambari-server/src/main/java/org/apache/ambari/server/security/authorization/AmbariLdapBindAuthenticator.java
##########
@@ -290,6 +290,7 @@ private DirContextOperations 
setAmbariAdminAttr(DirContextOperations user, LdapS
     LOG.debug("LDAP login - set admin attr filter: {}", 
setAmbariAdminAttrFilter);
 
     AttributesMapper attributesMapper = new AttributesMapper() {

Review comment:
       It's done.

##########
File path: 
ambari-server/src/main/java/org/apache/ambari/server/utils/ScheduledExecutorCompletionService.java
##########
@@ -35,6 +35,7 @@
       super(task, null);
       this.task = task;
     }
+    @Override
     protected void done() { queue.add(task); }

Review comment:
       It's done.

##########
File path: 
ambari-server/src/main/java/org/apache/ambari/server/security/authorization/Users.java
##########
@@ -1545,6 +1549,7 @@ public void addLdapAuthentication(UserEntity userEntity, 
String dn, boolean pers
         UserAuthenticationType.LDAP,
         StringUtils.lowerCase(dn), // DNs are case-insensitive and are stored 
internally as the bytes of lowercase characters
         new Validator() {

Review comment:
       It's done.

##########
File path: 
ambari-server/src/main/java/org/apache/ambari/server/security/authorization/Users.java
##########
@@ -1504,6 +1507,7 @@ public void addPamAuthentication(UserEntity userEntity, 
String userName, boolean
         UserAuthenticationType.PAM,
         userName,
         new Validator() {

Review comment:
       It's done.

##########
File path: 
ambari-server/src/main/java/org/apache/ambari/server/security/authorization/Users.java
##########
@@ -1463,6 +1465,7 @@ public void addLocalAuthentication(UserEntity userEntity, 
String password, boole
         UserAuthenticationType.LOCAL,
         encodedPassword,
         new Validator() {

Review comment:
       It's done.

##########
File path: 
ambari-server/src/main/java/org/apache/ambari/server/security/authorization/Users.java
##########
@@ -1373,6 +1373,7 @@ public void addJWTAuthentication(UserEntity userEntity, 
String key, boolean pers
         UserAuthenticationType.JWT,
         key,
         new Validator() {

Review comment:
       It's done.

##########
File path: 
ambari-server/src/main/java/org/apache/ambari/server/security/authorization/Users.java
##########
@@ -1415,6 +1416,7 @@ public void addKerberosAuthentication(UserEntity 
userEntity, String principalNam
         UserAuthenticationType.KERBEROS,
         principalName,
         new Validator() {
+          @Override

Review comment:
       It's done.




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