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From s..@apache.org
Subject [20/50] [abbrv] hadoop git commit: YARN-8673. [AMRMProxy] More robust responseId resync after an YarnRM master slave switch. Contributed by Botong Huang.
Date Sun, 26 Aug 2018 00:44:32 GMT
YARN-8673. [AMRMProxy] More robust responseId resync after an YarnRM master slave switch. Contributed
by Botong Huang.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/8736fc39
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/8736fc39
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/8736fc39

Branch: refs/heads/HDFS-12943
Commit: 8736fc39ac3b3de168d2c216f3d1c0edb48fb3f9
Parents: 65e7469
Author: Giovanni Matteo Fumarola <gifuma@apache.com>
Authored: Mon Aug 20 12:22:36 2018 -0700
Committer: Giovanni Matteo Fumarola <gifuma@apache.com>
Committed: Mon Aug 20 12:22:36 2018 -0700

----------------------------------------------------------------------
 .../hadoop/yarn/client/AMRMClientUtils.java     |  47 +++++++
 .../hadoop/yarn/server/AMRMClientRelayer.java   | 130 +++++++++++++------
 .../server/uam/UnmanagedApplicationManager.java |   2 +-
 .../yarn/server/TestAMRMClientRelayer.java      |  53 +++++++-
 .../amrmproxy/FederationInterceptor.java        |   6 +-
 .../ApplicationMasterService.java               |   9 +-
 6 files changed, 190 insertions(+), 57 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/8736fc39/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/AMRMClientUtils.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/AMRMClientUtils.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/AMRMClientUtils.java
index 5d4ab4a6..b8319cd 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/AMRMClientUtils.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/AMRMClientUtils.java
@@ -36,6 +36,7 @@ import org.apache.hadoop.security.SaslRpcServer;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.security.token.Token;
 import org.apache.hadoop.security.token.TokenIdentifier;
+import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.SchedulingRequest;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
@@ -54,6 +55,10 @@ public final class AMRMClientUtils {
   public static final String APP_ALREADY_REGISTERED_MESSAGE =
       "Application Master is already registered : ";
 
+  public static final String EXPECTED_HB_RESPONSEID_MESSAGE =
+      " expect responseId to be ";
+  public static final String RECEIVED_HB_RESPONSEID_MESSAGE = " but get ";
+
   private AMRMClientUtils() {
   }
 
@@ -105,6 +110,48 @@ public final class AMRMClientUtils {
         SaslRpcServer.AuthMethod.TOKEN.toString());
   }
 
+  /**
+   * Generate the exception message when RM receives an AM heartbeat with
+   * invalid responseId.
+   *
+   * @param appAttemptId the app attempt
+   * @param expected the expected responseId value
+   * @param received the received responseId value
+   * @return the assembled exception message
+   */
+  public static String assembleInvalidResponseIdExceptionMessage(
+      ApplicationAttemptId appAttemptId, int expected, int received) {
+    return "Invalid responseId in AllocateRequest from application attempt: "
+        + appAttemptId + EXPECTED_HB_RESPONSEID_MESSAGE + expected
+        + RECEIVED_HB_RESPONSEID_MESSAGE + received;
+  }
+
+  /**
+   * Parse the expected responseId from the exception generated by RM when
+   * processing AM heartbeat.
+   *
+   * @param exceptionMessage the exception message thrown by RM
+   * @return the parsed expected responseId, -1 if failed
+   */
+  public static int parseExpectedResponseIdFromException(
+      String exceptionMessage) {
+    if (exceptionMessage == null) {
+      return -1;
+    }
+    int start = exceptionMessage.indexOf(EXPECTED_HB_RESPONSEID_MESSAGE);
+    int end = exceptionMessage.indexOf(RECEIVED_HB_RESPONSEID_MESSAGE);
+    if (start == -1 || end == -1) {
+      return -1;
+    }
+    start += EXPECTED_HB_RESPONSEID_MESSAGE.length();
+
+    try {
+      return Integer.parseInt(exceptionMessage.substring(start, end));
+    } catch (NumberFormatException ex) {
+      return -1;
+    }
+  }
+
   public static void addToOutstandingSchedulingRequests(
       Collection<SchedulingRequest> requests,
       Map<Set<String>, List<SchedulingRequest>> outstandingSchedRequests)
{

http://git-wip-us.apache.org/repos/asf/hadoop/blob/8736fc39/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/AMRMClientRelayer.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/AMRMClientRelayer.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/AMRMClientRelayer.java
index 0d1a27e..1e2060c 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/AMRMClientRelayer.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/AMRMClientRelayer.java
@@ -37,6 +37,7 @@ import org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest
 import org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse;
+import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.ContainerStatus;
 import org.apache.hadoop.yarn.api.records.ResourceBlacklistRequest;
@@ -48,6 +49,7 @@ import org.apache.hadoop.yarn.client.AMRMClientUtils;
 import org.apache.hadoop.yarn.client.ClientRMProxy;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.exceptions.ApplicationMasterNotRegisteredException;
+import org.apache.hadoop.yarn.exceptions.InvalidApplicationMasterRequestException;
 import org.apache.hadoop.yarn.exceptions.YarnException;
 import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
 import org.apache.hadoop.yarn.server.scheduler.ResourceRequestSet;
@@ -111,13 +113,22 @@ public class AMRMClientRelayer extends AbstractService
       new HashMap<>();
   private List<SchedulingRequest> schedulingRequest = new ArrayList<>();
 
+  private ApplicationId appId;
+
+  // Normally -1, otherwise will override responseId with this value in the next
+  // heartbeat
+  private volatile int resetResponseId;
+
   public AMRMClientRelayer() {
     super(AMRMClientRelayer.class.getName());
+    this.resetResponseId = -1;
   }
 
-  public AMRMClientRelayer(ApplicationMasterProtocol rmClient) {
+  public AMRMClientRelayer(ApplicationMasterProtocol rmClient,
+      ApplicationId appId) {
     this();
     this.rmClient = rmClient;
+    this.appId = appId;
   }
 
   @Override
@@ -167,59 +178,63 @@ public class AMRMClientRelayer extends AbstractService
     try {
       return this.rmClient.finishApplicationMaster(request);
     } catch (ApplicationMasterNotRegisteredException e) {
-      LOG.warn("Out of sync with ResourceManager, hence resyncing.");
+      LOG.warn("Out of sync with RM for " + this.appId + ", hence resyncing.");
       // re register with RM
       registerApplicationMaster(this.amRegistrationRequest);
       return finishApplicationMaster(request);
     }
   }
 
+  private void addNewAllocateRequest(AllocateRequest allocateRequest)
+      throws YarnException {
+    // update the data structures first
+    addNewAsks(allocateRequest.getAskList());
+
+    if (allocateRequest.getReleaseList() != null) {
+      this.remotePendingRelease.addAll(allocateRequest.getReleaseList());
+      this.release.addAll(allocateRequest.getReleaseList());
+    }
+
+    if (allocateRequest.getResourceBlacklistRequest() != null) {
+      if (allocateRequest.getResourceBlacklistRequest()
+          .getBlacklistAdditions() != null) {
+        this.remoteBlacklistedNodes.addAll(allocateRequest
+            .getResourceBlacklistRequest().getBlacklistAdditions());
+        this.blacklistAdditions.addAll(allocateRequest
+            .getResourceBlacklistRequest().getBlacklistAdditions());
+      }
+      if (allocateRequest.getResourceBlacklistRequest()
+          .getBlacklistRemovals() != null) {
+        this.remoteBlacklistedNodes.removeAll(allocateRequest
+            .getResourceBlacklistRequest().getBlacklistRemovals());
+        this.blacklistRemovals.addAll(allocateRequest
+            .getResourceBlacklistRequest().getBlacklistRemovals());
+      }
+    }
+
+    if (allocateRequest.getUpdateRequests() != null) {
+      for (UpdateContainerRequest update : allocateRequest
+          .getUpdateRequests()) {
+        this.remotePendingChange.put(update.getContainerId(), update);
+        this.change.put(update.getContainerId(), update);
+      }
+    }
+
+    if (allocateRequest.getSchedulingRequests() != null) {
+      AMRMClientUtils.addToOutstandingSchedulingRequests(
+          allocateRequest.getSchedulingRequests(),
+          this.remotePendingSchedRequest);
+      this.schedulingRequest.addAll(allocateRequest.getSchedulingRequests());
+    }
+  }
+
   @Override
   public AllocateResponse allocate(AllocateRequest allocateRequest)
       throws YarnException, IOException {
     AllocateResponse allocateResponse = null;
     try {
       synchronized (this) {
-        // update the data structures first
-        addNewAsks(allocateRequest.getAskList());
-
-        if (allocateRequest.getReleaseList() != null) {
-          this.remotePendingRelease.addAll(allocateRequest.getReleaseList());
-          this.release.addAll(allocateRequest.getReleaseList());
-        }
-
-        if (allocateRequest.getResourceBlacklistRequest() != null) {
-          if (allocateRequest.getResourceBlacklistRequest()
-              .getBlacklistAdditions() != null) {
-            this.remoteBlacklistedNodes.addAll(allocateRequest
-                .getResourceBlacklistRequest().getBlacklistAdditions());
-            this.blacklistAdditions.addAll(allocateRequest
-                .getResourceBlacklistRequest().getBlacklistAdditions());
-          }
-          if (allocateRequest.getResourceBlacklistRequest()
-              .getBlacklistRemovals() != null) {
-            this.remoteBlacklistedNodes.removeAll(allocateRequest
-                .getResourceBlacklistRequest().getBlacklistRemovals());
-            this.blacklistRemovals.addAll(allocateRequest
-                .getResourceBlacklistRequest().getBlacklistRemovals());
-          }
-        }
-
-        if (allocateRequest.getUpdateRequests() != null) {
-          for (UpdateContainerRequest update : allocateRequest
-              .getUpdateRequests()) {
-            this.remotePendingChange.put(update.getContainerId(), update);
-            this.change.put(update.getContainerId(), update);
-          }
-        }
-
-        if (allocateRequest.getSchedulingRequests() != null) {
-          AMRMClientUtils.addToOutstandingSchedulingRequests(
-              allocateRequest.getSchedulingRequests(),
-              this.remotePendingSchedRequest);
-          this.schedulingRequest
-              .addAll(allocateRequest.getSchedulingRequests());
-        }
+        addNewAllocateRequest(allocateRequest);
 
         ArrayList<ResourceRequest> askList = new ArrayList<>(ask.size());
         for (ResourceRequest r : ask) {
@@ -238,13 +253,23 @@ public class AMRMClientRelayer extends AbstractService
             .updateRequests(new ArrayList<>(this.change.values()))
             .schedulingRequests(new ArrayList<>(this.schedulingRequest))
             .build();
+
+        if (this.resetResponseId != -1) {
+          LOG.info("Override allocate responseId from "
+              + allocateRequest.getResponseId() + " to " + this.resetResponseId
+              + " for " + this.appId);
+          allocateRequest.setResponseId(this.resetResponseId);
+        }
       }
 
       // Do the actual allocate call
       try {
         allocateResponse = this.rmClient.allocate(allocateRequest);
+
+        // Heartbeat succeeded, wipe out responseId overriding
+        this.resetResponseId = -1;
       } catch (ApplicationMasterNotRegisteredException e) {
-        LOG.warn("ApplicationMaster is out of sync with ResourceManager,"
+        LOG.warn("ApplicationMaster is out of sync with RM for " + this.appId
             + " hence resyncing.");
 
         synchronized (this) {
@@ -269,6 +294,25 @@ public class AMRMClientRelayer extends AbstractService
         // Reset responseId after re-register
         allocateRequest.setResponseId(0);
         return allocate(allocateRequest);
+      } catch (Throwable t) {
+
+        // If RM is complaining about responseId out of sync, force reset next
+        // time
+        if (t instanceof InvalidApplicationMasterRequestException) {
+          int responseId = AMRMClientUtils
+              .parseExpectedResponseIdFromException(t.getMessage());
+          if (responseId != -1) {
+            this.resetResponseId = responseId;
+            LOG.info("ResponseId out of sync with RM, expect " + responseId
+                + " but " + allocateRequest.getResponseId() + " used by "
+                + this.appId + ". Will override in the next allocate.");
+          } else {
+            LOG.warn("Failed to parse expected responseId out of exception for "
+                + this.appId);
+          }
+        }
+
+        throw t;
       }
 
       synchronized (this) {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/8736fc39/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/uam/UnmanagedApplicationManager.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/uam/UnmanagedApplicationManager.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/uam/UnmanagedApplicationManager.java
index 856a818..abdec19 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/uam/UnmanagedApplicationManager.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/uam/UnmanagedApplicationManager.java
@@ -193,7 +193,7 @@ public class UnmanagedApplicationManager {
         this.applicationId.toString(), UserGroupInformation.getCurrentUser());
     this.rmProxyRelayer =
         new AMRMClientRelayer(createRMProxy(ApplicationMasterProtocol.class,
-            this.conf, this.userUgi, amrmToken));
+            this.conf, this.userUgi, amrmToken), this.applicationId);
   }
 
   /**

http://git-wip-us.apache.org/repos/asf/hadoop/blob/8736fc39/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/test/java/org/apache/hadoop/yarn/server/TestAMRMClientRelayer.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/test/java/org/apache/hadoop/yarn/server/TestAMRMClientRelayer.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/test/java/org/apache/hadoop/yarn/server/TestAMRMClientRelayer.java
index 22bb1f9..4c84f0b 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/test/java/org/apache/hadoop/yarn/server/TestAMRMClientRelayer.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/test/java/org/apache/hadoop/yarn/server/TestAMRMClientRelayer.java
@@ -40,7 +40,9 @@ import org.apache.hadoop.yarn.api.records.Priority;
 import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.api.records.ResourceBlacklistRequest;
 import org.apache.hadoop.yarn.api.records.ResourceRequest;
+import org.apache.hadoop.yarn.client.AMRMClientUtils;
 import org.apache.hadoop.yarn.exceptions.ApplicationMasterNotRegisteredException;
+import org.apache.hadoop.yarn.exceptions.InvalidApplicationMasterRequestException;
 import org.apache.hadoop.yarn.exceptions.YarnException;
 import org.apache.hadoop.yarn.server.scheduler.ResourceRequestSet;
 import org.apache.hadoop.yarn.util.Records;
@@ -62,6 +64,7 @@ public class TestAMRMClientRelayer {
     // Whether this mockRM will throw failover exception upon next heartbeat
     // from AM
     private boolean failover = false;
+    private int responseIdReset = -1;
     private List<ResourceRequest> lastAsk;
     private List<ContainerId> lastRelease;
     private List<String> lastBlacklistAdditions;
@@ -92,26 +95,40 @@ public class TestAMRMClientRelayer {
         this.failover = false;
         throw new ApplicationMasterNotRegisteredException("Mock RM restarted");
       }
+      if (this.responseIdReset != -1) {
+        String errorMessage =
+            AMRMClientUtils.assembleInvalidResponseIdExceptionMessage(null,
+                this.responseIdReset, request.getResponseId());
+        this.responseIdReset = -1;
+        throw new InvalidApplicationMasterRequestException(errorMessage);
+      }
+
       this.lastAsk = request.getAskList();
       this.lastRelease = request.getReleaseList();
       this.lastBlacklistAdditions =
           request.getResourceBlacklistRequest().getBlacklistAdditions();
       this.lastBlacklistRemovals =
           request.getResourceBlacklistRequest().getBlacklistRemovals();
-      return AllocateResponse.newInstance(0, null, null,
-          new ArrayList<NodeReport>(), Resource.newInstance(0, 0), null, 0,
-          null, null);
+      return AllocateResponse.newInstance(request.getResponseId() + 1, null,
+          null, new ArrayList<NodeReport>(), Resource.newInstance(0, 0), null,
+          0, null, null);
     }
 
     public void setFailoverFlag() {
       this.failover = true;
     }
+
+    public void setResponseIdReset(int expectedResponseId) {
+      this.responseIdReset = expectedResponseId;
+    }
   }
 
   private Configuration conf;
   private MockApplicationMasterService mockAMS;
   private AMRMClientRelayer relayer;
 
+  private int responseId = 0;
+
   // Buffer of asks that will be sent to RM in the next AM heartbeat
   private List<ResourceRequest> asks = new ArrayList<>();
   private List<ContainerId> releases = new ArrayList<>();
@@ -123,7 +140,7 @@ public class TestAMRMClientRelayer {
     this.conf = new Configuration();
 
     this.mockAMS = new MockApplicationMasterService();
-    this.relayer = new AMRMClientRelayer(this.mockAMS);
+    this.relayer = new AMRMClientRelayer(this.mockAMS, null);
 
     this.relayer.init(conf);
     this.relayer.start();
@@ -150,7 +167,7 @@ public class TestAMRMClientRelayer {
   private AllocateRequest getAllocateRequest() {
     // Need to create a new one every time because rather than directly
     // referring the lists, the protobuf impl makes a copy of the lists
-    return AllocateRequest.newInstance(0, 0, asks, releases,
+    return AllocateRequest.newInstance(responseId, 0, asks, releases,
         ResourceBlacklistRequest.newInstance(blacklistAdditions,
             blacklistRemoval));
   }
@@ -272,4 +289,30 @@ public class TestAMRMClientRelayer {
     clearAllocateRequestLists();
   }
 
+  @Test
+  public void testResponseIdResync() throws YarnException, IOException {
+    this.responseId = 10;
+
+    AllocateResponse response = this.relayer.allocate(getAllocateRequest());
+    Assert.assertEquals(this.responseId + 1, response.getResponseId());
+
+    int expected = 5;
+    this.mockAMS.setResponseIdReset(expected);
+
+    try {
+      this.relayer.allocate(getAllocateRequest());
+      Assert.fail("Expecting exception from RM");
+    } catch (InvalidApplicationMasterRequestException e) {
+      // Expected exception
+    }
+
+    // Verify that the responseId is overridden
+    response = this.relayer.allocate(getAllocateRequest());
+    Assert.assertEquals(expected + 1, response.getResponseId());
+
+    // Verify it is no longer overriden
+    this.responseId = response.getResponseId();
+    response = this.relayer.allocate(getAllocateRequest());
+    Assert.assertEquals(this.responseId + 1, response.getResponseId());
+  }
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/8736fc39/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/amrmproxy/FederationInterceptor.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/amrmproxy/FederationInterceptor.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/amrmproxy/FederationInterceptor.java
index 645e47e..65a2277 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/amrmproxy/FederationInterceptor.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/amrmproxy/FederationInterceptor.java
@@ -249,8 +249,10 @@ public class FederationInterceptor extends AbstractRequestInterceptor
{
 
     this.homeSubClusterId =
         SubClusterId.newInstance(YarnConfiguration.getClusterId(conf));
-    this.homeRMRelayer = new AMRMClientRelayer(createHomeRMProxy(appContext,
-        ApplicationMasterProtocol.class, this.appOwner));
+    this.homeRMRelayer = new AMRMClientRelayer(
+        createHomeRMProxy(appContext, ApplicationMasterProtocol.class,
+            this.appOwner),
+        getApplicationContext().getApplicationAttemptId().getApplicationId());
 
     this.federationFacade = FederationStateStoreFacade.getInstance();
     this.subClusterResolver = this.federationFacade.getSubClusterResolver();

http://git-wip-us.apache.org/repos/asf/hadoop/blob/8736fc39/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ApplicationMasterService.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ApplicationMasterService.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ApplicationMasterService.java
index 7dac2cd..6fe0aa9 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ApplicationMasterService.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ApplicationMasterService.java
@@ -420,12 +420,9 @@ public class ApplicationMasterService extends AbstractService implements
         // heartbeat one step old, simply return lastReponse
         return lastResponse;
       } else if (request.getResponseId() != lastResponse.getResponseId()) {
-        String message =
-            "Invalid responseId in AllocateRequest from application attempt: "
-                + appAttemptId + ", expect responseId to be "
-                + lastResponse.getResponseId() + ", but get "
-                + request.getResponseId();
-        throw new InvalidApplicationMasterRequestException(message);
+        throw new InvalidApplicationMasterRequestException(AMRMClientUtils
+            .assembleInvalidResponseIdExceptionMessage(appAttemptId,
+                lastResponse.getResponseId(), request.getResponseId()));
       }
 
       AllocateResponse response =


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