启动DFS或者执行hadoop fs命令总是得到告警util.NativeCodeLoader: Unable to load native-hadooplibrary for your platform… using builtin-java classes whereapplicable:
hadoop@node50064:~$ start-dfs.sh 15/04/18 01:55:33 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable Starting namenodes on [node50064.mryqu.com] node50064.mryqu.com: starting namenode, logging to /usr/local/hadoop/logs/hadoop-hadoop-namenode-node50064.out node50069.mryqu.com: starting datanode, logging to /usr/local/hadoop/logs/hadoop-hadoop-datanode-node50069.out node51054.mryqu.com: starting datanode, logging to /usr/local/hadoop/logs/hadoop-hadoop-datanode-node51054.out Starting secondary namenodes [node50069.mryqu.com] node50069.mryqu.com: starting secondarynamenode, logging to /usr/local/hadoop/logs/hadoop-hadoop-secondarynamenode-node50069.out 15/04/18 01:55:51 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform.
当前参与的SAS Workflow2.0原型开发项目,美国那边的项目组经营将代码编译脚本从Ant切换成Gradle了。此外我司已经在去年就将Gradle列入了技术雷达的正式采用象限,感觉有必要学习一下Gradle,扩充自己的开发能力。 Gradle官网上提供的图书信息链接中有两本免费O’Reilly出版社图书:
Building and Testing With Gradle Gradle Beyond the Basics一般软件官网文档质量不错的情况下,我优先阅读最新的官网文档,所以我先看了《Gradle入门》和《Gradle用户指南》。 参考 Gradle官网 Gradle文档 Spring提供的Gradle入门 Gradle用户指南 Groovy官网 Groovy++ Java Build Tools: Ant vs Maven vs Gradle