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From asur...@apache.org
Subject [22/50] [abbrv] hadoop git commit: Revert "YARN-7540. Route YARN service CLI function through YARN Service API. (Contributed by Eric Yang)"
Date Tue, 09 Jan 2018 19:55:40 GMT
Revert "YARN-7540.  Route YARN service CLI function through YARN Service API. (Contributed
by Eric Yang)"

This reverts commit 438c1d333ebc0a3071bb556532ed959a4bd1e6d6.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/836e3c45
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/836e3c45
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/836e3c45

Branch: refs/heads/YARN-6592
Commit: 836e3c45e8232fc4c8c795c0f93d2f3d7353f392
Parents: a81144d
Author: Jian He <jianhe@apache.org>
Authored: Fri Jan 5 18:25:00 2018 -0800
Committer: Jian He <jianhe@apache.org>
Committed: Fri Jan 5 18:25:00 2018 -0800

----------------------------------------------------------------------
 .../hadoop-yarn-services-api/pom.xml            |   9 -
 .../yarn/service/client/ApiServiceClient.java   | 430 -------------------
 .../hadoop/yarn/service/webapp/ApiServer.java   |  34 +-
 .../yarn/service/webapp/package-info.java       |  28 --
 .../service/client/TestApiServiceClient.java    | 259 -----------
 .../src/test/resources/example-app.json         |  15 -
 .../src/test/resources/log4j.properties         |  19 -
 .../service/api/records/ReadinessCheck.java     |   2 -
 .../yarn/service/api/records/Resource.java      |   1 +
 .../yarn/service/api/records/ServiceState.java  |   2 +-
 .../hadoop/yarn/service/utils/JsonSerDeser.java |   3 -
 .../client/TestBuildExternalComponents.java     |   2 +-
 .../yarn/service/client/TestServiceCLI.java     |  14 +-
 .../hadoop/yarn/client/api/AppAdminClient.java  |   6 -
 14 files changed, 10 insertions(+), 814 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/836e3c45/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/pom.xml
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/pom.xml
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/pom.xml
index bae62c6..ddea2a1 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/pom.xml
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/pom.xml
@@ -65,15 +65,6 @@
           </execution>
         </executions>
       </plugin>
-      <plugin>
-        <groupId>org.apache.rat</groupId>
-        <artifactId>apache-rat-plugin</artifactId>
-        <configuration>
-          <excludes>
-            <exclude>**/*.json</exclude>
-          </excludes>
-        </configuration>
-      </plugin>
     </plugins>
   </build>
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/836e3c45/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/main/java/org/apache/hadoop/yarn/service/client/ApiServiceClient.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/main/java/org/apache/hadoop/yarn/service/client/ApiServiceClient.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/main/java/org/apache/hadoop/yarn/service/client/ApiServiceClient.java
deleted file mode 100644
index f4133a5..0000000
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/main/java/org/apache/hadoop/yarn/service/client/ApiServiceClient.java
+++ /dev/null
@@ -1,430 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.hadoop.yarn.service.client;
-
-import static org.apache.hadoop.yarn.service.utils.ServiceApiUtil.jsonSerDeser;
-
-import java.io.File;
-import java.io.IOException;
-import java.text.MessageFormat;
-import java.util.List;
-import java.util.Map;
-
-import javax.ws.rs.core.MediaType;
-
-import org.apache.commons.lang.StringUtils;
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.FileSystem;
-import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.security.authentication.client.AuthenticatedURL;
-import org.apache.hadoop.yarn.api.ApplicationConstants;
-import org.apache.hadoop.yarn.api.records.ApplicationId;
-import org.apache.hadoop.yarn.api.records.ApplicationReport;
-import org.apache.hadoop.yarn.client.api.AppAdminClient;
-import org.apache.hadoop.yarn.client.api.YarnClient;
-import org.apache.hadoop.yarn.conf.YarnConfiguration;
-import org.apache.hadoop.yarn.exceptions.YarnException;
-import org.apache.hadoop.yarn.service.api.records.Component;
-import org.apache.hadoop.yarn.service.api.records.Service;
-import org.apache.hadoop.yarn.service.api.records.ServiceState;
-import org.apache.hadoop.yarn.service.api.records.ServiceStatus;
-import org.apache.hadoop.yarn.util.RMHAUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.sun.jersey.api.client.Client;
-import com.sun.jersey.api.client.ClientResponse;
-import com.sun.jersey.api.client.WebResource;
-import com.sun.jersey.api.client.WebResource.Builder;
-import com.sun.jersey.api.client.config.ClientConfig;
-import com.sun.jersey.api.client.config.DefaultClientConfig;
-
-import static org.apache.hadoop.yarn.service.exceptions.LauncherExitCodes.*;
-
-/**
- * The rest API client for users to manage services on YARN.
- */
-public class ApiServiceClient extends AppAdminClient {
-  private static final Logger LOG =
-      LoggerFactory.getLogger(ApiServiceClient.class);
-  protected YarnClient yarnClient;
-
-  @Override protected void serviceInit(Configuration configuration)
-      throws Exception {
-    yarnClient = YarnClient.createYarnClient();
-    addService(yarnClient);
-    super.serviceInit(configuration);
-  }
-
-  /**
-   * Calculate Resource Manager address base on working REST API.
-   */
-  private String getRMWebAddress() {
-    Configuration conf = getConfig();
-    String scheme = "http://";
-    String path = "/app/v1/services/version";
-    String rmAddress = conf
-        .get("yarn.resourcemanager.webapp.address");
-    if(conf.getBoolean("hadoop.ssl.enabled", false)) {
-      scheme = "https://";
-      rmAddress = conf
-          .get("yarn.resourcemanager.webapp.https.address");
-    }
-
-    List<String> rmServers = RMHAUtils
-        .getRMHAWebappAddresses(new YarnConfiguration(conf));
-    for (String host : rmServers) {
-      StringBuilder sb = new StringBuilder();
-      sb.append(scheme);
-      sb.append(host);
-      sb.append(path);
-      Client client = Client.create();
-      WebResource webResource = client
-          .resource(sb.toString());
-      String test = webResource.get(String.class);
-      if (test.contains("hadoop_version")) {
-        rmAddress = host;
-        break;
-      }
-    }
-    return scheme+rmAddress;
-  }
-
-  /**
-   * Compute active resource manager API service location.
-   *
-   * @param appName - YARN service name
-   * @return URI to API Service
-   * @throws IOException
-   */
-  private String getApiUrl(String appName) throws IOException {
-    String url = getRMWebAddress();
-    StringBuilder api = new StringBuilder();
-    api.append(url);
-    api.append("/app/v1/services");
-    if (appName != null) {
-      api.append("/");
-      api.append(appName);
-    }
-    return api.toString();
-  }
-
-  private Builder getApiClient() throws IOException {
-    return getApiClient(null);
-  }
-
-  /**
-   * Setup API service web request.
-   *
-   * @param appName
-   * @return
-   * @throws IOException
-   */
-  private Builder getApiClient(String appName) throws IOException {
-    Client client = Client.create(getClientConfig());
-    Configuration conf = getConfig();
-    client.setChunkedEncodingSize(null);
-    Builder builder = client
-        .resource(getApiUrl(appName)).type(MediaType.APPLICATION_JSON);
-    if (conf.get("hadoop.security.authentication").equals("kerberos")) {
-      AuthenticatedURL.Token token = new AuthenticatedURL.Token();
-      builder.header("WWW-Authenticate", token);
-    }
-    return builder
-        .accept("application/json;charset=utf-8");
-  }
-
-  private ClientConfig getClientConfig() {
-    ClientConfig config = new DefaultClientConfig();
-    config.getProperties().put(
-        ClientConfig.PROPERTY_CHUNKED_ENCODING_SIZE, 0);
-    config.getProperties().put(
-        ClientConfig.PROPERTY_BUFFER_RESPONSE_ENTITY_ON_EXCEPTION, true);
-    return config;
-  }
-
-  private int processResponse(ClientResponse response) {
-    response.bufferEntity();
-    if (response.getStatus() >= 299) {
-      String error = "";
-      try {
-        ServiceStatus ss = response.getEntity(ServiceStatus.class);
-        error = ss.getDiagnostics();
-      } catch (Throwable t) {
-        error = response.getEntity(String.class);
-      }
-      LOG.error(error);
-      return EXIT_EXCEPTION_THROWN;
-    }
-    LOG.info(response.toString());
-    return EXIT_SUCCESS;
-  }
-
-  /**
-   * Utility method to load Service json from disk or from
-   * YARN examples.
-   *
-   * @param fileName - path to yarnfile
-   * @param serviceName - YARN Service Name
-   * @param lifetime - application lifetime
-   * @param queue - Queue to submit application
-   * @return
-   * @throws IOException
-   * @throws YarnException
-   */
-  public Service loadAppJsonFromLocalFS(String fileName, String serviceName,
-      Long lifetime, String queue) throws IOException, YarnException {
-    File file = new File(fileName);
-    if (!file.exists() && fileName.equals(file.getName())) {
-      String examplesDirStr = System.getenv("YARN_SERVICE_EXAMPLES_DIR");
-      String[] examplesDirs;
-      if (examplesDirStr == null) {
-        String yarnHome = System
-            .getenv(ApplicationConstants.Environment.HADOOP_YARN_HOME.key());
-        examplesDirs = new String[]{
-            yarnHome + "/share/hadoop/yarn/yarn-service-examples",
-            yarnHome + "/yarn-service-examples"
-        };
-      } else {
-        examplesDirs = StringUtils.split(examplesDirStr, ":");
-      }
-      for (String dir : examplesDirs) {
-        file = new File(MessageFormat.format("{0}/{1}/{2}.json",
-            dir, fileName, fileName));
-        if (file.exists()) {
-          break;
-        }
-        // Then look for secondary location.
-        file = new File(MessageFormat.format("{0}/{1}.json",
-            dir, fileName));
-        if (file.exists()) {
-          break;
-        }
-      }
-    }
-    if (!file.exists()) {
-      throw new YarnException("File or example could not be found: " +
-          fileName);
-    }
-    Path filePath = new Path(file.getAbsolutePath());
-    LOG.info("Loading service definition from local FS: " + filePath);
-    Service service = jsonSerDeser
-        .load(FileSystem.getLocal(getConfig()), filePath);
-    if (!StringUtils.isEmpty(serviceName)) {
-      service.setName(serviceName);
-    }
-    if (lifetime != null && lifetime > 0) {
-      service.setLifetime(lifetime);
-    }
-    if (!StringUtils.isEmpty(queue)) {
-      service.setQueue(queue);
-    }
-    return service;
-  }
-
-  /**
-   * Launch YARN service application.
-   *
-   * @param fileName - path to yarnfile
-   * @param appName - YARN Service Name
-   * @param lifetime - application lifetime
-   * @param queue - Queue to submit application
-   */
-  @Override
-  public int actionLaunch(String fileName, String appName, Long lifetime,
-      String queue) throws IOException, YarnException {
-    int result = EXIT_SUCCESS;
-    try {
-      Service service =
-          loadAppJsonFromLocalFS(fileName, appName, lifetime, queue);
-      String buffer = jsonSerDeser.toJson(service);
-      ClientResponse response = getApiClient()
-          .post(ClientResponse.class, buffer);
-      result = processResponse(response);
-    } catch (Exception e) {
-      LOG.error("Fail to launch application: ", e);
-      result = EXIT_EXCEPTION_THROWN;
-    }
-    return result;
-  }
-
-  /**
-   * Stop YARN service application.
-   *
-   * @param appName - YARN Service Name
-   */
-  @Override
-  public int actionStop(String appName) throws IOException, YarnException {
-    int result = EXIT_SUCCESS;
-    try {
-      Service service = new Service();
-      service.setName(appName);
-      service.setState(ServiceState.STOPPED);
-      String buffer = jsonSerDeser.toJson(service);
-      ClientResponse response = getApiClient(appName)
-          .put(ClientResponse.class, buffer);
-      result = processResponse(response);
-    } catch (Exception e) {
-      LOG.error("Fail to stop application: ", e);
-      result = EXIT_EXCEPTION_THROWN;
-    }
-    return result;
-  }
-
-  /**
-   * Start YARN service application.
-   *
-   * @param appName - YARN Service Name
-   */
-  @Override
-  public int actionStart(String appName) throws IOException, YarnException {
-    int result = EXIT_SUCCESS;
-    try {
-      Service service = new Service();
-      service.setName(appName);
-      service.setState(ServiceState.STARTED);
-      String buffer = jsonSerDeser.toJson(service);
-      ClientResponse response = getApiClient(appName)
-          .put(ClientResponse.class, buffer);
-      result = processResponse(response);
-    } catch (Exception e) {
-      LOG.error("Fail to start application: ", e);
-      result = EXIT_EXCEPTION_THROWN;
-    }
-    return result;
-  }
-
-  /**
-   * Save Service configuration.
-   *
-   * @param fileName - path to Yarnfile
-   * @param appName - YARN Service Name
-   * @param lifetime - container life time
-   * @param queue - Queue to submit the application
-   */
-  @Override
-  public int actionSave(String fileName, String appName, Long lifetime,
-      String queue) throws IOException, YarnException {
-    int result = EXIT_SUCCESS;
-    try {
-      Service service =
-          loadAppJsonFromLocalFS(fileName, appName, lifetime, queue);
-      service.setState(ServiceState.STOPPED);
-      String buffer = jsonSerDeser.toJson(service);
-      ClientResponse response = getApiClient()
-          .post(ClientResponse.class, buffer);
-      result = processResponse(response);
-    } catch (Exception e) {
-      LOG.error("Fail to save application: ", e);
-      result = EXIT_EXCEPTION_THROWN;
-    }
-    return result;
-  }
-
-  /**
-   * Decommission a YARN service.
-   *
-   * @param appName - YARN Service Name
-   */
-  @Override
-  public int actionDestroy(String appName) throws IOException, YarnException {
-    int result = EXIT_SUCCESS;
-    try {
-      ClientResponse response = getApiClient(appName)
-          .delete(ClientResponse.class);
-      result = processResponse(response);
-    } catch (Exception e) {
-      LOG.error("Fail to destroy application: ", e);
-      result = EXIT_EXCEPTION_THROWN;
-    }
-    return result;
-  }
-
-  /**
-   * Change number of containers associated with a service.
-   *
-   * @param appName - YARN Service Name
-   * @param cmponentCounts - list of components and desired container count
-   */
-  @Override
-  public int actionFlex(String appName, Map<String, String> componentCounts)
-      throws IOException, YarnException {
-    int result = EXIT_SUCCESS;
-    try {
-      Service service = new Service();
-      service.setName(appName);
-      service.setState(ServiceState.FLEX);
-      for (Map.Entry<String, String> entry : componentCounts.entrySet()) {
-        Component component = new Component();
-        component.setName(entry.getKey());
-        Long numberOfContainers = Long.parseLong(entry.getValue());
-        component.setNumberOfContainers(numberOfContainers);
-        service.addComponent(component);
-      }
-      String buffer = jsonSerDeser.toJson(service);
-      ClientResponse response = getApiClient(appName)
-          .put(ClientResponse.class, buffer);
-      result = processResponse(response);
-    } catch (Exception e) {
-      LOG.error("Fail to flex application: ", e);
-      result = EXIT_EXCEPTION_THROWN;
-    }
-    return result;
-  }
-
-  @Override
-  public int enableFastLaunch() throws IOException, YarnException {
-    ServiceClient sc = new ServiceClient();
-    sc.init(getConfig());
-    sc.start();
-    int result = sc.enableFastLaunch();
-    sc.close();
-    return result;
-  }
-
-  /**
-   * Retrieve Service Status through REST API.
-   *
-   * @param applicationId - YARN application ID
-   * @return Status output
-   */
-  @Override
-  public String getStatusString(String applicationId) throws IOException,
-      YarnException {
-    String output = "";
-    try {
-      ApplicationReport appReport = yarnClient
-          .getApplicationReport(ApplicationId.fromString(applicationId));
-
-      String appName = appReport.getName();
-      ClientResponse response = getApiClient(appName)
-          .get(ClientResponse.class);
-      if (response.getStatus() != 200) {
-        StringBuilder sb = new StringBuilder();
-        sb.append(appName);
-        sb.append(" Failed : HTTP error code : ");
-        sb.append(response.getStatus());
-        return sb.toString();
-      }
-      output = response.getEntity(String.class);
-    } catch (Exception e) {
-      LOG.error("Fail to check application status: ", e);
-    }
-    return output;
-  }
-
-}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/836e3c45/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/main/java/org/apache/hadoop/yarn/service/webapp/ApiServer.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/main/java/org/apache/hadoop/yarn/service/webapp/ApiServer.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/main/java/org/apache/hadoop/yarn/service/webapp/ApiServer.java
index 84c3905..34ab8f0 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/main/java/org/apache/hadoop/yarn/service/webapp/ApiServer.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/main/java/org/apache/hadoop/yarn/service/webapp/ApiServer.java
@@ -30,6 +30,7 @@ import org.apache.hadoop.yarn.service.api.records.Service;
 import org.apache.hadoop.yarn.service.api.records.ServiceState;
 import org.apache.hadoop.yarn.service.api.records.ServiceStatus;
 import org.apache.hadoop.yarn.service.client.ServiceClient;
+import org.apache.hadoop.yarn.service.utils.ServiceApiUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -46,12 +47,10 @@ import javax.ws.rs.core.Response;
 import javax.ws.rs.core.Response.Status;
 import java.io.IOException;
 import java.util.Collections;
-import java.util.HashMap;
 import java.util.Map;
 
 import static org.apache.hadoop.yarn.service.api.records.ServiceState.ACCEPTED;
 import static org.apache.hadoop.yarn.service.conf.RestApiConstants.*;
-import static org.apache.hadoop.yarn.service.exceptions.LauncherExitCodes.EXIT_SUCCESS;
 
 /**
  * The rest API endpoints for users to manage services on YARN.
@@ -103,13 +102,9 @@ public class ApiServer {
     LOG.info("POST: createService = {}", service);
     ServiceStatus serviceStatus = new ServiceStatus();
     try {
-      if(service.getState()==ServiceState.STOPPED) {
-        SERVICE_CLIENT.actionBuild(service);
-      } else {
-        ApplicationId applicationId = SERVICE_CLIENT.actionCreate(service);
-        LOG.info("Successfully created service " + service.getName()
+      ApplicationId applicationId = SERVICE_CLIENT.actionCreate(service);
+      LOG.info("Successfully created service " + service.getName()
           + " applicationId = " + applicationId);
-      }
       serviceStatus.setState(ACCEPTED);
       serviceStatus.setUri(
           CONTEXT_ROOT + SERVICE_ROOT_PATH + "/" + service
@@ -228,29 +223,6 @@ public class ApiServer {
     // path param
     updateServiceData.setName(appName);
 
-    if (updateServiceData.getState() == ServiceState.FLEX) {
-      Map<String, String> componentCountStrings = new HashMap<String, String>();
-      for (Component c : updateServiceData.getComponents()) {
-        componentCountStrings.put(c.getName(), c.getNumberOfContainers().toString());
-      }
-      ServiceStatus status = new ServiceStatus();
-      try {
-        int result = SERVICE_CLIENT
-            .actionFlex(appName, componentCountStrings);
-        if (result == EXIT_SUCCESS) {
-          LOG.info("Successfully flex service " + appName);
-          status.setDiagnostics("Service " + appName +
-              " is successfully flexed.");
-          status.setState(ServiceState.ACCEPTED);
-        }
-      } catch (YarnException | IOException e) {
-        String message = "Failed to flex service " + appName;
-        LOG.info(message, e);
-        status.setDiagnostics(message);
-        return Response.status(Status.INTERNAL_SERVER_ERROR)
-            .entity(status).build();
-      }
-    }
     // For STOP the app should be running. If already stopped then this
     // operation will be a no-op. For START it should be in stopped state.
     // If already running then this operation will be a no-op.

http://git-wip-us.apache.org/repos/asf/hadoop/blob/836e3c45/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/main/java/org/apache/hadoop/yarn/service/webapp/package-info.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/main/java/org/apache/hadoop/yarn/service/webapp/package-info.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/main/java/org/apache/hadoop/yarn/service/webapp/package-info.java
deleted file mode 100644
index 1bdf05a..0000000
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/main/java/org/apache/hadoop/yarn/service/webapp/package-info.java
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/**
- * Package org.apache.hadoop.yarn.service.webapp contains classes to be used
- * for YARN Services API.
- */
-@InterfaceAudience.Private
-@InterfaceStability.Unstable
-package org.apache.hadoop.yarn.service.webapp;
-
-import org.apache.hadoop.classification.InterfaceAudience;
-import org.apache.hadoop.classification.InterfaceStability;
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/hadoop/blob/836e3c45/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/test/java/org/apache/hadoop/yarn/service/client/TestApiServiceClient.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/test/java/org/apache/hadoop/yarn/service/client/TestApiServiceClient.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/test/java/org/apache/hadoop/yarn/service/client/TestApiServiceClient.java
deleted file mode 100644
index ffd9328..0000000
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/test/java/org/apache/hadoop/yarn/service/client/TestApiServiceClient.java
+++ /dev/null
@@ -1,259 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.hadoop.yarn.service.client;
-
-import static org.junit.Assert.*;
-
-import java.io.IOException;
-import java.util.HashMap;
-
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.yarn.exceptions.YarnException;
-import org.eclipse.jetty.server.Server;
-import org.eclipse.jetty.server.ServerConnector;
-import org.eclipse.jetty.servlet.ServletContextHandler;
-import org.eclipse.jetty.servlet.ServletHolder;
-import org.eclipse.jetty.util.thread.QueuedThreadPool;
-import org.junit.AfterClass;
-import org.junit.BeforeClass;
-import org.junit.Test;
-import static org.apache.hadoop.yarn.service.exceptions.LauncherExitCodes.*;
-
-/**
- * Test case for CLI to API Service.
- *
- */
-public class TestApiServiceClient {
-  private static ApiServiceClient asc;
-  private static ApiServiceClient badAsc;
-  private static Server server;
-
-  /**
-   * A mocked version of API Service for testing purpose.
-   *
-   */
-  @SuppressWarnings("serial")
-  public static class TestServlet extends HttpServlet {
-
-    @Override
-    protected void doGet(HttpServletRequest req, HttpServletResponse resp)
-        throws ServletException, IOException {
-      System.out.println("Get was called");
-      resp.setStatus(HttpServletResponse.SC_OK);
-    }
-
-    @Override
-    protected void doPost(HttpServletRequest req, HttpServletResponse resp)
-        throws ServletException, IOException {
-      resp.setStatus(HttpServletResponse.SC_OK);
-    }
-
-    @Override
-    protected void doPut(HttpServletRequest req, HttpServletResponse resp)
-        throws ServletException, IOException {
-      resp.setStatus(HttpServletResponse.SC_OK);
-    }
-
-    @Override
-    protected void doDelete(HttpServletRequest req, HttpServletResponse resp)
-        throws ServletException, IOException {
-      resp.setStatus(HttpServletResponse.SC_OK);
-    }
-
-  }
-
-  @BeforeClass
-  public static void setup() throws Exception {
-    server = new Server(8088);
-    ((QueuedThreadPool)server.getThreadPool()).setMaxThreads(10);
-    ServletContextHandler context = new ServletContextHandler();
-    context.setContextPath("/app");
-    server.setHandler(context);
-    context.addServlet(new ServletHolder(TestServlet.class), "/*");
-    ((ServerConnector)server.getConnectors()[0]).setHost("localhost");
-    server.start();
-
-    Configuration conf = new Configuration();
-    conf.set("yarn.resourcemanager.webapp.address",
-        "localhost:8088");
-    asc = new ApiServiceClient();
-    asc.serviceInit(conf);
-
-    Configuration conf2 = new Configuration();
-    conf2.set("yarn.resourcemanager.webapp.address",
-        "localhost:8089");
-    badAsc = new ApiServiceClient();
-    badAsc.serviceInit(conf2);
-  }
-
-  @AfterClass
-  public static void tearDown() throws Exception {
-    server.stop();
-  }
-
-  @Test
-  public void testLaunch() {
-    String fileName = "target/test-classes/example-app.json";
-    String appName = "example-app";
-    long lifetime = 3600L;
-    String queue = "default";
-    try {
-      int result = asc.actionLaunch(fileName, appName, lifetime, queue);
-      assertEquals(EXIT_SUCCESS, result);
-    } catch (IOException | YarnException e) {
-      fail();
-    }
-  }
-
-  @Test
-  public void testBadLaunch() {
-    String fileName = "unknown_file";
-    String appName = "unknown_app";
-    long lifetime = 3600L;
-    String queue = "default";
-    try {
-      int result = badAsc.actionLaunch(fileName, appName, lifetime, queue);
-      assertEquals(EXIT_EXCEPTION_THROWN, result);
-    } catch (IOException | YarnException e) {
-      fail();
-    }
-  }
-
-  @Test
-  public void testStop() {
-    String appName = "example-app";
-    try {
-      int result = asc.actionStop(appName);
-      assertEquals(EXIT_SUCCESS, result);
-    } catch (IOException | YarnException e) {
-      fail();
-    }
-  }
-
-  @Test
-  public void testBadStop() {
-    String appName = "unknown_app";
-    try {
-      int result = badAsc.actionStop(appName);
-      assertEquals(EXIT_EXCEPTION_THROWN, result);
-    } catch (IOException | YarnException e) {
-      fail();
-    }
-  }
-
-  @Test
-  public void testStart() {
-    String appName = "example-app";
-    try {
-      int result = asc.actionStart(appName);
-      assertEquals(EXIT_SUCCESS, result);
-    } catch (IOException | YarnException e) {
-      fail();
-    }
-  }
-
-  @Test
-  public void testBadStart() {
-    String appName = "unknown_app";
-    try {
-      int result = badAsc.actionStart(appName);
-      assertEquals(EXIT_EXCEPTION_THROWN, result);
-    } catch (IOException | YarnException e) {
-      fail();
-    }
-  }
-
-  @Test
-  public void testSave() {
-    String fileName = "target/test-classes/example-app.json";
-    String appName = "example-app";
-    long lifetime = 3600L;
-    String queue = "default";
-    try {
-      int result = asc.actionSave(fileName, appName, lifetime, queue);
-      assertEquals(EXIT_SUCCESS, result);
-    } catch (IOException | YarnException e) {
-      fail();
-    }
-  }
-
-  @Test
-  public void testBadSave() {
-    String fileName = "unknown_file";
-    String appName = "unknown_app";
-    long lifetime = 3600L;
-    String queue = "default";
-    try {
-      int result = badAsc.actionSave(fileName, appName, lifetime, queue);
-      assertEquals(EXIT_EXCEPTION_THROWN, result);
-    } catch (IOException | YarnException e) {
-      fail();
-    }
-  }
-
-  @Test
-  public void testFlex() {
-    String appName = "example-app";
-    HashMap<String, String> componentCounts = new HashMap<String, String>();
-    try {
-      int result = asc.actionFlex(appName, componentCounts);
-      assertEquals(EXIT_SUCCESS, result);
-    } catch (IOException | YarnException e) {
-      fail();
-    }
-  }
-
-  @Test
-  public void testBadFlex() {
-    String appName = "unknown_app";
-    HashMap<String, String> componentCounts = new HashMap<String, String>();
-    try {
-      int result = badAsc.actionFlex(appName, componentCounts);
-      assertEquals(EXIT_EXCEPTION_THROWN, result);
-    } catch (IOException | YarnException e) {
-      fail();
-    }
-  }
-
-  @Test
-  public void testDestroy() {
-    String appName = "example-app";
-    try {
-      int result = asc.actionDestroy(appName);
-      assertEquals(EXIT_SUCCESS, result);
-    } catch (IOException | YarnException e) {
-      fail();
-    }
-  }
-
-  @Test
-  public void testBadDestroy() {
-    String appName = "unknown_app";
-    try {
-      int result = badAsc.actionDestroy(appName);
-      assertEquals(EXIT_EXCEPTION_THROWN, result);
-    } catch (IOException | YarnException e) {
-      fail();
-    }
-  }
-
-}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/836e3c45/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/test/resources/example-app.json
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/test/resources/example-app.json
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/test/resources/example-app.json
deleted file mode 100644
index 5dfbd64..0000000
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/test/resources/example-app.json
+++ /dev/null
@@ -1,15 +0,0 @@
-{
-  "name": "example-app",
-  "components" :
-  [
-    {
-      "name": "simple",
-      "number_of_containers": 1,
-      "launch_command": "sleep 2",
-      "resource": {
-        "cpus": 1,
-        "memory": "128"
-      }
-    }
-  ]
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/hadoop/blob/836e3c45/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/test/resources/log4j.properties
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/test/resources/log4j.properties
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/test/resources/log4j.properties
deleted file mode 100644
index 81a3f6a..0000000
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/test/resources/log4j.properties
+++ /dev/null
@@ -1,19 +0,0 @@
-#   Licensed under the Apache License, Version 2.0 (the "License");
-#   you may not use this file except in compliance with the License.
-#   You may obtain a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-#   Unless required by applicable law or agreed to in writing, software
-#   distributed under the License is distributed on an "AS IS" BASIS,
-#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#   See the License for the specific language governing permissions and
-#   limitations under the License.
-
-# log4j configuration used during build and unit tests
-
-log4j.rootLogger=info,stdout
-log4j.threshold=ALL
-log4j.appender.stdout=org.apache.log4j.ConsoleAppender
-log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
-log4j.appender.stdout.layout.ConversionPattern=%d{ISO8601} %-5p [%t] %c{2} (%F:%M(%L)) -
%m%n

http://git-wip-us.apache.org/repos/asf/hadoop/blob/836e3c45/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/api/records/ReadinessCheck.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/api/records/ReadinessCheck.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/api/records/ReadinessCheck.java
index af7c542..2bcf68b 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/api/records/ReadinessCheck.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/api/records/ReadinessCheck.java
@@ -32,7 +32,6 @@ import javax.xml.bind.annotation.XmlEnum;
 import javax.xml.bind.annotation.XmlRootElement;
 import javax.xml.bind.annotation.XmlType;
 
-import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonValue;
 import org.apache.hadoop.classification.InterfaceAudience;
@@ -50,7 +49,6 @@ import org.apache.hadoop.classification.InterfaceStability;
 @javax.annotation.Generated(value = "class io.swagger.codegen.languages.JavaClientCodegen",
date = "2016-06-02T08:15:05.615-07:00")
 @XmlRootElement
 @XmlAccessorType(XmlAccessType.FIELD)
-@JsonInclude(JsonInclude.Include.NON_NULL)
 public class ReadinessCheck implements Serializable {
   private static final long serialVersionUID = -3836839816887186801L;
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/836e3c45/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/api/records/Resource.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/api/records/Resource.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/api/records/Resource.java
index c417ec0..a7ce5be 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/api/records/Resource.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/api/records/Resource.java
@@ -28,6 +28,7 @@ import javax.xml.bind.annotation.XmlElement;
 import java.util.Map;
 import java.util.Objects;
 
+
 /**
  * Resource determines the amount of resources (vcores, memory, network, etc.)
  * usable by a container. This field determines the resource to be applied for

http://git-wip-us.apache.org/repos/asf/hadoop/blob/836e3c45/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/api/records/ServiceState.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/api/records/ServiceState.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/api/records/ServiceState.java
index 902a0b1..d2f5d06 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/api/records/ServiceState.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/api/records/ServiceState.java
@@ -29,5 +29,5 @@ import org.apache.hadoop.classification.InterfaceStability;
 @ApiModel(description = "The current state of an service.")
 @javax.annotation.Generated(value = "class io.swagger.codegen.languages.JavaClientCodegen",
date = "2016-06-02T08:15:05.615-07:00")
 public enum ServiceState {
-  ACCEPTED, STARTED, STABLE, STOPPED, FAILED, FLEX;
+  ACCEPTED, STARTED, STABLE, STOPPED, FAILED;
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/836e3c45/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/utils/JsonSerDeser.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/utils/JsonSerDeser.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/utils/JsonSerDeser.java
index 2c27ea7..7b22e3e 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/utils/JsonSerDeser.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/utils/JsonSerDeser.java
@@ -60,13 +60,10 @@ public class JsonSerDeser<T> {
    * Create an instance bound to a specific type
    * @param classType class type
    */
-  @SuppressWarnings("deprecation")
   public JsonSerDeser(Class<T> classType) {
     this.classType = classType;
     this.mapper = new ObjectMapper();
     mapper.configure(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES, false);
-    mapper.configure(SerializationConfig.Feature.WRITE_NULL_MAP_VALUES, false);
-    mapper.configure(SerializationConfig.Feature.WRITE_NULL_PROPERTIES, false);
   }
 
   public JsonSerDeser(Class<T> classType, PropertyNamingStrategy namingStrategy) {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/836e3c45/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/test/java/org/apache/hadoop/yarn/service/client/TestBuildExternalComponents.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/test/java/org/apache/hadoop/yarn/service/client/TestBuildExternalComponents.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/test/java/org/apache/hadoop/yarn/service/client/TestBuildExternalComponents.java
index 6d5bb20..1f4581e 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/test/java/org/apache/hadoop/yarn/service/client/TestBuildExternalComponents.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/test/java/org/apache/hadoop/yarn/service/client/TestBuildExternalComponents.java
@@ -60,7 +60,7 @@ public class TestBuildExternalComponents {
   private void buildAndCheckComponents(String appName, String appDef,
       SliderFileSystem sfs, Set<String> names) throws Throwable {
     AppAdminClient client = AppAdminClient.createAppAdminClient(AppAdminClient
-        .UNIT_TEST_TYPE, conf);
+        .DEFAULT_TYPE, conf);
     client.actionSave(ExampleAppJson.resourceName(appDef), null, null,
         null);
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/836e3c45/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/test/java/org/apache/hadoop/yarn/service/client/TestServiceCLI.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/test/java/org/apache/hadoop/yarn/service/client/TestServiceCLI.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/test/java/org/apache/hadoop/yarn/service/client/TestServiceCLI.java
index a95818f..df4b1df 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/test/java/org/apache/hadoop/yarn/service/client/TestServiceCLI.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/test/java/org/apache/hadoop/yarn/service/client/TestServiceCLI.java
@@ -21,7 +21,6 @@ package org.apache.hadoop.yarn.service.client;
 import org.apache.commons.io.FileUtils;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.util.ToolRunner;
-import org.apache.hadoop.yarn.client.api.AppAdminClient;
 import org.apache.hadoop.yarn.client.cli.ApplicationCLI;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.service.api.records.Component;
@@ -62,20 +61,15 @@ public class TestServiceCLI {
   }
 
   private void buildApp(String serviceName, String appDef) throws Throwable {
-    String[] args = {"app",
-        "-D", basedirProp, "-save", serviceName,
-        ExampleAppJson.resourceName(appDef),
-        "-appTypes", AppAdminClient.UNIT_TEST_TYPE};
+    String[] args = {"app", "-D", basedirProp, "-save", serviceName,
+        ExampleAppJson.resourceName(appDef)};
     runCLI(args);
   }
 
   private void buildApp(String serviceName, String appDef, String lifetime,
       String queue) throws Throwable {
-    String[] args = {"app",
-        "-D", basedirProp, "-save", serviceName,
-        ExampleAppJson.resourceName(appDef),
-        "-appTypes", AppAdminClient.UNIT_TEST_TYPE,
-        "-updateLifetime", lifetime,
+    String[] args = {"app", "-D", basedirProp, "-save", serviceName,
+        ExampleAppJson.resourceName(appDef), "-updateLifetime", lifetime,
         "-changeQueue", queue};
     runCLI(args);
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/836e3c45/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/api/AppAdminClient.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/api/AppAdminClient.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/api/AppAdminClient.java
index dd7515f..6310178 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/api/AppAdminClient.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/api/AppAdminClient.java
@@ -39,9 +39,6 @@ public abstract class AppAdminClient extends CompositeService {
       ".application.admin.client.class.";
   public static final String DEFAULT_TYPE = "yarn-service";
   public static final String DEFAULT_CLASS_NAME = "org.apache.hadoop.yarn" +
-      ".service.client.ApiServiceClient";
-  public static final String UNIT_TEST_TYPE = "unit-test";
-  public static final String UNIT_TEST_CLASS_NAME = "org.apache.hadoop.yarn" +
       ".service.client.ServiceClient";
 
   @Private
@@ -67,9 +64,6 @@ public abstract class AppAdminClient extends CompositeService {
     if (!clientClassMap.containsKey(DEFAULT_TYPE)) {
       clientClassMap.put(DEFAULT_TYPE, DEFAULT_CLASS_NAME);
     }
-    if (!clientClassMap.containsKey(UNIT_TEST_TYPE)) {
-      clientClassMap.put(UNIT_TEST_TYPE, UNIT_TEST_CLASS_NAME);
-    }
     if (!clientClassMap.containsKey(appType)) {
       throw new IllegalArgumentException("App admin client class name not " +
           "specified for type " + appType);


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