import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppAttemptsInfo; //导入依赖的package包/类
@GET
@Path("/apps/{appid}/appattempts")
@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public AppAttemptsInfo getAppAttempts(@Context HttpServletRequest hsr,
    @PathParam("appid") String appId) {

  init();
  ApplicationId id = WebAppUtils.parseApplicationId(recordFactory, appId);
  RMApp app = rm.getRMContext().getRMApps().get(id);
  if (app == null) {
    throw new NotFoundException("app with id: " + appId + " not found");
  }

  AppAttemptsInfo appAttemptsInfo = new AppAttemptsInfo();
  for (RMAppAttempt attempt : app.getAppAttempts().values()) {
    AppAttemptInfo attemptInfo = new AppAttemptInfo(rm, attempt,
        app.getUser(), hsr.getScheme() + "://");
    appAttemptsInfo.add(attemptInfo);
  }

  return appAttemptsInfo;
}
 

import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppAttemptsInfo; //导入依赖的package包/类
@GET
@Path("/apps/{appid}/appattempts")
@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public AppAttemptsInfo getAppAttempts(@PathParam("appid") String appId) {

  init();
  if (appId == null || appId.isEmpty()) {
    throw new NotFoundException("appId, " + appId + ", is empty or null");
  }
  ApplicationId id;
  id = ConverterUtils.toApplicationId(recordFactory, appId);
  if (id == null) {
    throw new NotFoundException("appId is null");
  }
  RMApp app = rm.getRMContext().getRMApps().get(id);
  if (app == null) {
    throw new NotFoundException("app with id: " + appId + " not found");
  }

  AppAttemptsInfo appAttemptsInfo = new AppAttemptsInfo();
  for (RMAppAttempt attempt : app.getAppAttempts().values()) {
    AppAttemptInfo attemptInfo = new AppAttemptInfo(attempt, app.getUser());
    appAttemptsInfo.add(attemptInfo);
  }

  return appAttemptsInfo;
}
 

import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppAttemptsInfo; //导入依赖的package包/类
@GET
@Path("/apps/{appid}/appattempts")
@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public AppAttemptsInfo getAppAttempts(@Context HttpServletRequest hsr,
    @PathParam("appid") String appId) {

  init();
  if (appId == null || appId.isEmpty()) {
    throw new NotFoundException("appId, " + appId + ", is empty or null");
  }
  ApplicationId id;
  id = ConverterUtils.toApplicationId(recordFactory, appId);
  if (id == null) {
    throw new NotFoundException("appId is null");
  }
  RMApp app = rm.getRMContext().getRMApps().get(id);
  if (app == null) {
    throw new NotFoundException("app with id: " + appId + " not found");
  }

  AppAttemptsInfo appAttemptsInfo = new AppAttemptsInfo();
  for (RMAppAttempt attempt : app.getAppAttempts().values()) {
    AppAttemptInfo attemptInfo = new AppAttemptInfo(rm, attempt,
        app.getUser(), hsr.getScheme() + "://");
    appAttemptsInfo.add(attemptInfo);
  }

  return appAttemptsInfo;
}