hadoop文件系统错误could only be replicated to 0 nodes, instead of 1解决方法

当hadoop fs的datanode容量不够时会发生如下错误：

org.apache.hadoop.ipc.RemoteException: java.io.IOException: File /usr/local/hadoop/tmp/mapred/staging/root/.staging/job_201505120913_0004/libjars/hive-builtins-0.9.0.jar could only be replicated to 0 nodes, instead of 1 org.apache.h