diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/LogsCLI.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/LogsCLI.java
index d2d9051e34e..8963d34e3cb 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/LogsCLI.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/LogsCLI.java
@@ -240,7 +240,7 @@ public class LogsCLI extends Configured implements Tool {
       if (appState == YarnApplicationState.NEW
           || appState == YarnApplicationState.NEW_SAVING
           || appState == YarnApplicationState.SUBMITTED) {
-        System.err.println("Logs are not avaiable right now.");
+        System.err.println("Logs are not available right now.");
         return -1;
       }
     } catch (IOException | YarnException e) {
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/RMAdminCLI.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/RMAdminCLI.java
index 7779ddf1ccb..2508c3e759d 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/RMAdminCLI.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/RMAdminCLI.java
@@ -379,7 +379,7 @@ public class RMAdminCLI extends HAAdmin {
     }
     if (nodesDecommissioning) {
       System.out.println("Graceful decommissioning not completed in " + timeout
-          + " seconds, issueing forceful decommissioning command.");
+          + " seconds, issuing forceful decommissioning command.");
       RefreshNodesRequest forcefulRequest = RefreshNodesRequest
           .newInstance(DecommissionType.FORCEFUL);
       adminProtocol.refreshNodes(forcefulRequest);
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/FSDownload.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/FSDownload.java
index de18dc63d5a..f34c16c997f 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/FSDownload.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/FSDownload.java
@@ -259,7 +259,7 @@ public class FSDownload implements Callable<Path> {
     if (resource.getVisibility() == LocalResourceVisibility.PUBLIC) {
       if (!isPublic(sourceFs, sCopy, sStat, statCache)) {
         throw new IOException("Resource " + sCopy +
-            " is not publicly accessable and as such cannot be part of the" +
+            " is not publicly accessible and as such cannot be part of the" +
             " public cache.");
       }
     }
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-registry/src/main/java/org/apache/hadoop/registry/client/impl/zk/RegistrySecurity.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-registry/src/main/java/org/apache/hadoop/registry/client/impl/zk/RegistrySecurity.java
index 49673fced3b..3d3e8116f7e 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-registry/src/main/java/org/apache/hadoop/registry/client/impl/zk/RegistrySecurity.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-registry/src/main/java/org/apache/hadoop/registry/client/impl/zk/RegistrySecurity.java
@@ -356,7 +356,7 @@ public class RegistrySecurity extends AbstractService {
    * @return the system principals
    */
   public List<ACL> getSystemACLs() {
-    Preconditions.checkNotNull(systemACLs, "registry security is unitialized");
+    Preconditions.checkNotNull(systemACLs, "registry security is uninitialized");
     return Collections.unmodifiableList(systemACLs);
   }
 
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryManagerOnTimelineStore.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryManagerOnTimelineStore.java
index 3a11c92f600..d47c43a97a7 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryManagerOnTimelineStore.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryManagerOnTimelineStore.java
@@ -721,7 +721,7 @@ public class ApplicationHistoryManagerOnTimelineStore extends AbstractService
              app.appReport.getApplicationId())) {
            throw new AuthorizationException("User "
                + UserGroupInformation.getCurrentUser().getShortUserName()
-               + " does not have privilage to see this application "
+               + " does not have privilege to see this application "
                + app.appReport.getApplicationId());
          }
        } finally {
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/WindowsSecureContainerExecutor.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/WindowsSecureContainerExecutor.java
index 9e38151cefb..7c124c3700a 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/WindowsSecureContainerExecutor.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/WindowsSecureContainerExecutor.java
@@ -509,7 +509,7 @@ public class WindowsSecureContainerExecutor extends DefaultContainerExecutor {
               output.append(buf, 0, nRead);
             }
           } catch (Throwable t) {
-            LOG.error("Error occured reading the process stdout", t);
+            LOG.error("Error occurred reading the process stdout", t);
           }
         }
       };
@@ -722,7 +722,7 @@ public class WindowsSecureContainerExecutor extends DefaultContainerExecutor {
       }
       catch(Throwable e) {
         LOG.warn(String.format(
-            "An exception occured during the cleanup of localizer job %s:%n%s",
+            "An exception occurred during the cleanup of localizer job %s:%n%s",
             localizerPid,
             org.apache.hadoop.util.StringUtils.stringifyException(e)));
       }
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/AuxServices.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/AuxServices.java
index 171b20d4534..c0e1f5a1284 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/AuxServices.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/AuxServices.java
@@ -146,7 +146,7 @@ public class AuxServices extends AbstractService
         }
         // TODO better use s.getName()?
         if(!sName.equals(s.getName())) {
-          LOG.warn("The Auxilurary Service named '"+sName+"' in the "
+          LOG.warn("The Auxiliary Service named '"+sName+"' in the "
               +"configuration is for "+s.getClass()+" which has "
               +"a name of '"+s.getName()+"'. Because these are "
               +"not the same tools trying to send ServiceData and read "
@@ -283,4 +283,4 @@ public class AuxServices extends AbstractService
         : "The auxService name is " + service.getName())
         + " and it got an error at event: " + eventType, th);
   }
-}
\ No newline at end of file
+}
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/ContainerManagerImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/ContainerManagerImpl.java
index f8eebca5c7d..b4e67257934 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/ContainerManagerImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/ContainerManagerImpl.java
@@ -1576,7 +1576,7 @@ public class ContainerManagerImpl extends CompositeService implements
     authorizeUser(remoteUgi, nmTokenIdentifier);
     if (!nmTokenIdentifier.getApplicationAttemptId().getApplicationId()
         .equals(containerId.getApplicationAttemptId().getApplicationId())) {
-      throw new YarnException("ApplicationMaster not autorized to perform " +
+      throw new YarnException("ApplicationMaster not authorized to perform " +
           "["+ op + "] on Container [" + containerId + "]!!");
     }
     Container container = context.getContainers().get(containerId);
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/ResourceLocalizationService.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/ResourceLocalizationService.java
index 71971c757de..e4d74f65166 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/ResourceLocalizationService.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/ResourceLocalizationService.java
@@ -1128,7 +1128,7 @@ public class ResourceLocalizationService extends CompositeService
           LOG.error("local path for PRIVATE localization could not be " +
             "found. Disks might have failed.", e);
         } catch (IllegalArgumentException e) {
-          LOG.error("Inorrect path for PRIVATE localization."
+          LOG.error("Incorrect path for PRIVATE localization."
               + next.getResource().getFile(), e);
         } catch (URISyntaxException e) {
           LOG.error(
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/logaggregation/AppLogAggregatorImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/logaggregation/AppLogAggregatorImpl.java
index 872b805c223..07275b13469 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/logaggregation/AppLogAggregatorImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/logaggregation/AppLogAggregatorImpl.java
@@ -494,7 +494,7 @@ public class AppLogAggregatorImpl implements AppLogAggregator {
       doAppLogAggregation();
     } catch (Exception e) {
       // do post clean up of log directories on any exception
-      LOG.error("Error occured while aggregating the log for the application "
+      LOG.error("Error occurred while aggregating the log for the application "
           + appId, e);
       doAppLogAggregationPostCleanUp();
     } finally {
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/main/java/org/apache/hadoop/yarn/server/webproxy/ProxyUriUtils.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/main/java/org/apache/hadoop/yarn/server/webproxy/ProxyUriUtils.java
index c6567428ea6..f25f4c7bb72 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/main/java/org/apache/hadoop/yarn/server/webproxy/ProxyUriUtils.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/main/java/org/apache/hadoop/yarn/server/webproxy/ProxyUriUtils.java
@@ -49,7 +49,7 @@ public class ProxyUriUtils {
   
   private static String uriEncode(Object o) {
     try {
-      assert (o != null) : "o canot be null";
+      assert (o != null) : "o cannot be null";
       return URLEncoder.encode(o.toString(), "UTF-8");
     } catch (UnsupportedEncodingException e) {
       //This should never happen
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/main/java/org/apache/hadoop/yarn/server/webproxy/WebAppProxy.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/main/java/org/apache/hadoop/yarn/server/webproxy/WebAppProxy.java
index 5935327759c..71679ccca91 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/main/java/org/apache/hadoop/yarn/server/webproxy/WebAppProxy.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/main/java/org/apache/hadoop/yarn/server/webproxy/WebAppProxy.java
@@ -62,7 +62,7 @@ public class WebAppProxy extends AbstractService {
     } else if ("kerberos".equals(auth)) {
       isSecurityEnabled = true;
     } else {
-      LOG.warn("Unrecongized attribute value for " +
+      LOG.warn("Unrecognized attribute value for " +
           CommonConfigurationKeys.HADOOP_SECURITY_AUTHENTICATION +
           " of " + auth);
     }