YARN-4605. Spelling mistake in the help message of "yarn applicationattempt" command. Contributed by Weiwei Yang.

(cherry picked from commit 8f58f742aea87b2b46b9741ffeaebfa36af3573f)
(cherry picked from commit ddc22bbcb1c2e90f64092e94d295515ff8c7fe48)

hadoop-yarn-project/CHANGES.txt

@@ -1161,6 +1161,9 @@ Release 2.8.0 - UNRELEASED
     YARN-4608. Redundant code statement in WritingYarnApplications.
     (Kai Sasaki via aajisaka)
 
+    YARN-4605. Spelling mistake in the help message of "yarn applicationattempt"
+    command. (Weiwei Yang via aajisaka)
+
 Release 2.7.3 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/ApplicationCLI.java

@@ -138,7 +138,7 @@ public class ApplicationCLI extends YarnCLI {
       opts.addOption(STATUS_CMD, true,
           "Prints the status of the application attempt.");
       opts.addOption(LIST_CMD, true,
-          "List application attempts for aplication.");
+          "List application attempts for application.");
       opts.addOption(FAIL_CMD, true, "Fails application attempt.");
       opts.addOption(HELP_CMD, false, "Displays help for all commands.");
       opts.getOption(STATUS_CMD).setArgName("Application Attempt ID");
@@ -712,7 +712,7 @@ public class ApplicationCLI extends YarnCLI {
       throws YarnException, IOException {
     ApplicationId appId = ConverterUtils.toApplicationId(applicationId);
     Priority newAppPriority = Priority.newInstance(Integer.parseInt(priority));
-    sysout.println("Updating priority of an aplication " + applicationId);
+    sysout.println("Updating priority of an application " + applicationId);
     client.updateApplicationPriority(appId, newAppPriority);
     sysout.println("Successfully updated the application with id "
         + applicationId + " with priority '" + priority + "'");

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestYarnCLI.java

@@ -1721,7 +1721,7 @@ public class TestYarnCLI {
     pw.println(" -fail <Application Attempt ID>     Fails application attempt.");
     pw.println(" -help                              Displays help for all commands.");
     pw.println(" -list <Application ID>             List application attempts for");
-    pw.println("                                    aplication.");
+    pw.println("                                    application.");
     pw.println(" -status <Application Attempt ID>   Prints the status of the application");
     pw.println("                                    attempt.");
     pw.close();

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ClientRMService.java

@@ -437,7 +437,7 @@ public class ClientRMService extends AbstractService implements
       response = GetApplicationAttemptsResponse.newInstance(listAttempts);
     } else {
       throw new YarnException("User " + callerUGI.getShortUserName()
-          + " does not have privilage to see this aplication " + appId);
+          + " does not have privilage to see this application " + appId);
     }
     return response;
   }
@@ -488,7 +488,7 @@ public class ClientRMService extends AbstractService implements
           .createContainerReport());
     } else {
       throw new YarnException("User " + callerUGI.getShortUserName()
-          + " does not have privilage to see this aplication " + appId);
+          + " does not have privilage to see this application " + appId);
     }
     return response;
   }
@@ -541,7 +541,7 @@ public class ClientRMService extends AbstractService implements
       response = GetContainersResponse.newInstance(listContainers);
     } else {
       throw new YarnException("User " + callerUGI.getShortUserName()
-          + " does not have privilage to see this aplication " + appId);
+          + " does not have privilage to see this application " + appId);
     }
     return response;
   }