http://hadoop.apache.org/docs/r2.1.0-beta/hadoop-yarn/hadoop-yarn-site/WritingYarnApplications.html我试图通过上面的链接使示例运行良好。但是我无法编译下面的代码Resourcecapability=Records.newRecord(Resource.class);capability.setMemory(512);amContainer.setResource(capability);//Setthecontainerlaunchcontentintothe//ApplicationSu