摘要： 问题1、不能分配内存，错误提示如下：FAILEDjava.lang.RuntimeException: Error while running command to get file permissions : java.io.IOException: Cannot run program "/bin/ls": java.io.IOException: error=12, Cannot allocate memory at java.lang.ProcessBuilder.start(ProcessBuilder.java:488) at org.apache.hadoop 阅读全文