diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ClientRMService.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ClientRMService.java
index 62f938d7145..913390a987f 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ClientRMService.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ClientRMService.java
@@ -408,7 +408,7 @@ public class ClientRMService extends AbstractService implements
       response = GetApplicationAttemptReportResponse.newInstance(attemptReport);
     }else{
       throw new YarnException("User " + callerUGI.getShortUserName()
-          + " does not have privilage to see this attempt " + appAttemptId);
+          + " does not have privilege to see this attempt " + appAttemptId);
     }
     return response;
   }
@@ -448,7 +448,7 @@ public class ClientRMService extends AbstractService implements
       response = GetApplicationAttemptsResponse.newInstance(listAttempts);
     } else {
       throw new YarnException("User " + callerUGI.getShortUserName()
-          + " does not have privilage to see this application " + appId);
+          + " does not have privilege to see this application " + appId);
     }
     return response;
   }
@@ -499,7 +499,7 @@ public class ClientRMService extends AbstractService implements
           .createContainerReport());
     } else {
       throw new YarnException("User " + callerUGI.getShortUserName()
-          + " does not have privilage to see this application " + appId);
+          + " does not have privilege to see this application " + appId);
     }
     return response;
   }
@@ -552,7 +552,7 @@ public class ClientRMService extends AbstractService implements
       response = GetContainersResponse.newInstance(listContainers);
     } else {
       throw new YarnException("User " + callerUGI.getShortUserName()
-          + " does not have privilage to see this application " + appId);
+          + " does not have privilege to see this application " + appId);
     }
     return response;
   }
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/MemoryRMStateStore.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/MemoryRMStateStore.java
index 8b4ace39ab5..5f3328b279b 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/MemoryRMStateStore.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/MemoryRMStateStore.java
@@ -162,7 +162,7 @@ public class MemoryRMStateStore extends RMStateStore {
     ApplicationStateData removed = state.appState.remove(appId);
 
     if (removed == null) {
-      throw new YarnRuntimeException("Removing non-exsisting application state");
+      throw new YarnRuntimeException("Removing non-existing application state");
     }
   }
 
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/reservation/InMemoryPlan.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/reservation/InMemoryPlan.java
index 12a584a6723..3afcd47820a 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/reservation/InMemoryPlan.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/reservation/InMemoryPlan.java
@@ -263,7 +263,7 @@ public class InMemoryPlan implements Plan {
       reservationTable.put(inMemReservation.getReservationId(),
           inMemReservation);
       incrementAllocation(inMemReservation);
-      LOG.info("Sucessfully added reservation: {} to plan.",
+      LOG.info("Successfully added reservation: {} to plan.",
           inMemReservation.getReservationId());
       return true;
     } finally {
@@ -301,7 +301,7 @@ public class InMemoryPlan implements Plan {
             reservation.getReservationId(), e.getMessage());
       }
       if (result) {
-        LOG.info("Sucessfully updated reservation: {} in plan.",
+        LOG.info("Successfully updated reservation: {} in plan.",
             reservation.getReservationId());
         return result;
       } else {
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/reservation/ReservationInputValidator.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/reservation/ReservationInputValidator.java
index 068894f5457..0e9a825de07 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/reservation/ReservationInputValidator.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/reservation/ReservationInputValidator.java
@@ -148,7 +148,7 @@ public class ReservationInputValidator {
         plan.getTotalCapacity(), maxGangSize, plan.getTotalCapacity())
         && type != ReservationRequestInterpreter.R_ANY) {
       message =
-          "The size of the largest gang in the reservation refinition ("
+          "The size of the largest gang in the reservation definition ("
               + maxGangSize + ") exceed the capacity available ("
               + plan.getTotalCapacity() + " )";
       RMAuditLogger.logFailure("UNKNOWN", auditConstant,
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNodeImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNodeImpl.java
index 8fbc668107c..8a04a4844dd 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNodeImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNodeImpl.java
@@ -719,7 +719,7 @@ public class RMNodeImpl implements RMNode, EventHandler<RMNodeEvent> {
       metrics.decrDecommissioningNMs();
       break;
     default :
-      LOG.warn("Unexpcted initial state");
+      LOG.warn("Unexpected initial state");
     }
 
     switch (finalState) {
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerUtils.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerUtils.java
index 6f905b9001a..b2275231a20 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerUtils.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerUtils.java
@@ -265,7 +265,7 @@ public class SchedulerUtils {
     // we don't allow specify label expression with more than one node labels now
     if (labelExp != null && labelExp.contains("&&")) {
       throw new InvalidLabelResourceRequestException(
-          "Invailid resource request, queue=" + queueInfo.getQueueName()
+          "Invalid resource request, queue=" + queueInfo.getQueueName()
               + " specified more than one node label "
               + "in a node label expression, node label expression = "
               + labelExp);
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/RegularContainerAllocator.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/RegularContainerAllocator.java
index 3e8282f15b2..f5026edc6ab 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/RegularContainerAllocator.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/RegularContainerAllocator.java
@@ -199,7 +199,7 @@ public class RegularContainerAllocator extends AbstractContainerAllocator {
           LOG.debug("Skip app_attempt=" + application.getApplicationAttemptId()
               + " priority=" + schedulerKey.getPriority()
               + " because missed-non-partitioned-resource-request"
-              + " opportunity under requred:" + " Now="
+              + " opportunity under required:" + " Now="
               + missedNonPartitionedRequestSchedulingOpportunity + " required="
               + rmContext.getScheduler().getNumClusterNodes());
         }
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.java
index b5122c01209..3d8b729832e 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.java
@@ -330,7 +330,7 @@ public class FifoScheduler extends
     FifoAppAttempt application = getApplicationAttempt(applicationAttemptId);
     if (application == null) {
       LOG.error("Calling allocate on removed " +
-          "or non existant application " + applicationAttemptId);
+          "or non-existent application " + applicationAttemptId);
       return EMPTY_ALLOCATION;
     }
 
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/CapacitySchedulerPage.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/CapacitySchedulerPage.java
index bfa081faac9..b972428c383 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/CapacitySchedulerPage.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/CapacitySchedulerPage.java
@@ -368,7 +368,7 @@ class CapacitySchedulerPage extends RmView {
           .append(" }).fail(function(data){")
           .append(
               " alert(\"Scheduler log generation failed. Please check the"
-                  + " ResourceManager log for more informtion.\");")
+                  + " ResourceManager log for more information.\");")
           .append(" console.log(data);").append(" });").append(" }")
           .append("}");
 
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestContainerResourceUsage.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestContainerResourceUsage.java
index c8a894f55f3..3db00a242d7 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestContainerResourceUsage.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestContainerResourceUsage.java
@@ -123,7 +123,7 @@ public class TestContainerResourceUsage {
     AggregateAppResourceUsage ru = calculateContainerResourceMetrics(rmContainer);
     rmAppMetrics = app0.getRMAppMetrics();
 
-    Assert.assertEquals("Unexcpected MemorySeconds value",
+    Assert.assertEquals("Unexpected MemorySeconds value",
         ru.getMemorySeconds(), rmAppMetrics.getMemorySeconds());
     Assert.assertEquals("Unexpected VcoreSeconds value",
         ru.getVcoreSeconds(), rmAppMetrics.getVcoreSeconds());
@@ -223,7 +223,7 @@ public class TestContainerResourceUsage {
     }
 
     RMAppMetrics metricsBefore = app0.getRMAppMetrics();
-    Assert.assertEquals("Unexcpected MemorySeconds value",
+    Assert.assertEquals("Unexpected MemorySeconds value",
         memorySeconds, metricsBefore.getMemorySeconds());
     Assert.assertEquals("Unexpected VcoreSeconds value",
         vcoreSeconds, metricsBefore.getVcoreSeconds());
@@ -392,7 +392,7 @@ public class TestContainerResourceUsage {
     
     RMAppMetrics rmAppMetrics = app.getRMAppMetrics();
 
-    Assert.assertEquals("Unexcpected MemorySeconds value",
+    Assert.assertEquals("Unexpected MemorySeconds value",
         memorySeconds, rmAppMetrics.getMemorySeconds());
     Assert.assertEquals("Unexpected VcoreSeconds value",
         vcoreSeconds, rmAppMetrics.getVcoreSeconds());
@@ -426,4 +426,4 @@ public class TestContainerResourceUsage {
                           * usedMillis / DateUtils.MILLIS_PER_SECOND;
     return new AggregateAppResourceUsage(memorySeconds, vcoreSeconds);
   }
-}
\ No newline at end of file
+}
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/reservation/TestReservationInputValidator.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/reservation/TestReservationInputValidator.java
index 031a767e0b5..76dbc368705 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/reservation/TestReservationInputValidator.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/reservation/TestReservationInputValidator.java
@@ -261,10 +261,10 @@ public class TestReservationInputValidator {
     } catch (YarnException e) {
       Assert.assertNull(plan);
       String message = e.getMessage();
-      Assert
-          .assertTrue(message
-              .startsWith("The size of the largest gang in the reservation refinition"));
-      Assert.assertTrue(message.contains("exceed the capacity available "));
+      Assert.assertTrue(message.startsWith(
+          "The size of the largest gang in the reservation definition"));
+      Assert.assertTrue(message.contains(
+          "exceed the capacity available "));
       LOG.info(message);
     }
   }
@@ -493,10 +493,10 @@ public class TestReservationInputValidator {
     } catch (YarnException e) {
       Assert.assertNull(plan);
       String message = e.getMessage();
-      Assert
-          .assertTrue(message
-              .startsWith("The size of the largest gang in the reservation refinition"));
-      Assert.assertTrue(message.contains("exceed the capacity available "));
+      Assert.assertTrue(message.startsWith(
+          "The size of the largest gang in the reservation definition"));
+      Assert.assertTrue(message.contains(
+          "exceed the capacity available "));
       LOG.info(message);
     }
   }