我正在尝试使用包含以下命令的shell脚本在oozie工作流中运行shell操作：

.#!/bin/bash

hadoop fs -mkdir /user/mathon_k/shell_dir

.#echo "hello "

我得到以下错误：

Main class [org.apache.oozie.action.hadoop.ShellMain], exit code [1]

日志
2014-03-28 15:11:31951 info org.apache.oozie.command.wf.actionstartxcommand:user[mathon\u k]group[-]token[]app[oo\u 20140328]job[0000028-140328083804680-oozie-oozie-w]action[0000028-140328083804680-oozie-w@：start:]start action[0000028-140328083804680-oozie-oozie-w@：start:]用户重试状态：userretrycount[0]，userretrymax[0]，userretryinterval[10]2014-03-28 15:11:31952 warn org.apache.oozie.command.wf.actionstartxcommand:user[mathon_k]group[-]token[]app[oo_20140328]job[0000028-140328083804680-oozie-oozi-w]action[0000028-140328083804680-oozie-oozi-w@：start:[0000028-140328083804680-oozie-oozi-w@：start:]action status=done 2014-03-28 15:11:31，952 warn org.apache.oozie.command.wf.actionstartxcommand:user[mathon\u k]group[-]token[]app[oo\u 20140328]job[0000028-140328083804680-oozie-oozie-w]action[0000028-140328083804680-oozie-oozi-w@:start:]action在db中更新！2014-03-28 15:11:32027 info org.apache.oozie.command.wf.actionstartxcommand:用户[mathon\u k]组[-]令牌[]应用程序[oo\u 20140328]作业[0000028-140328083804680-oozie-oozi-w]操作[0000028-140328083804680-oozie-oozi-w@oozie_20140328]开始行动[0000028-140328083804680-oozie-oozi-w@oozie_20140328]用户重试状态为：userretrycount[0]，userretrymax[0]，userretryinterval[10]2014-03-28 15:11:32170警告org.apache.oozie.action.hadoop.shellactionexecutor:用户[mathon_k]组[-]令牌[]应用程序[oo_20140328]作业[0000028-140328083804680-oozie-oozi-w]操作[0000028-140328083804680-oozie-oozi-w@oozie_20140328]操作2014-03-28 15:11:32的凭据为空，669 info org.apache.oozie.action.hadoop.shellactionexecutor:用户[mathon\u k]组[-]令牌[]应用程序[oo\u 20140328]作业[0000028-140328083804680-oozie-oozi-w]操作[0000028-140328083804680-oozie-oozi-w@oozie_20140328]检查操作，外部id[job\u 201403280835\u 0020]状态[running]2014-03-28 15:11:32，772 warn org.apache.oozie.command.wf.actionstartxcommand:用户[mathon\u k]组[-]令牌[]应用程序[oo\u 20140328]作业[0000028-140328083804680-oozie-oozi-w]操作[0000028-140328083804680-oozie-oozi-w@oozie_20140328] [0000028-140328083804680-oozie-oozi-w@oozie_20140328]动作状态=运行2014-03-28 15:11:32，772 warn org.apache.oozie.command.wf.actionstartxcommand:用户[mathon\u k]组[-]令牌[]应用程序[oo\u 20140328]作业[0000028-140328083804680-oozie-oozi-w]操作[0000028-140328083804680-oozie-oozi-w@oozie_20140328] [0000028-140328083804680-oozie-oozi-w@oozie_20140328]操作已在数据库中更新！2014-03-28 15:11:45254 info org.apache.oozie.servlet.callbackservlet:用户[-]组[-]令牌[-]应用[-]作业[0000028-140328083804680-oozie-oozi-w]操作[0000028-140328083804680-oozie-oozi-w@oozie_20140328]回调以采取行动[0000028-140328083804680-oozie-oozi-w@oozie_20140328] 2014-03-28 15:11:45,332 info org.apache.oozie.action.hadoop.shellactionexecutor:用户[mathon泷k]组[-]令牌[]应用程序[oo泷20140328]作业[0000028-140328083804680-oozie-oozi-w]操作[0000028-140328083804680-oozie-oozi-w@oozie_20140328]操作完成，外部id[job\u 201403280835\u 0020]2014-03-28 15:11:45，358 warn org.apache.oozie.action.hadoop.shellactionexecutor:用户[mathonèk]组[-]令牌[]应用程序[ooè20140328]作业[0000028-140328083804680-oozie-oozi-w]操作[0000028-140328083804680-oozie-oozi-w@oozie_20140328]启动器错误，原因：主类[org.apache.oozie.action.hadoop.shellmain]，退出代码[1]2014-03-28 15:11:45，518 info org.apache.oozie.command.wf.actionendxcommand:用户[mathon\u k]组[-]令牌[]应用程序[oo\u 20140328]作业[0000028-140328083804680-oozie-oozi-w]操作[0000028-140328083804680-oozie-oozi-w@oozie_20140328]对于sla 2014-03-28 15:11:45，错误被视为失败，563 info org.apache.oozie.command.wf.actionstartxcommand:用户[mathon\u k]组[-]令牌[]应用程序[oo\u 20140328]作业[0000028-140328083804680-oozie-oozi-w]操作[0000028-140328083804680-oozie-oozi-w@kill]开始行动[0000028-140328083804680-oozie-oozi-w@kill]用户重试状态为：userretrycount[0]，userretrymax[0]，userretryinterval[10]2014-03-28 15:11:45563 warn org.apache.oozie.command.wf.actionstartxcommand:用户[mathon\u k]组[-]令牌[]应用程序[oo\u 20140328]作业[0000028-140328083804680-oozie-oozi-w]操作[0000028-140328083804680-oozie-oozi-w@kill] [0000028-140328083804680-oozie-oozi-w@kill]行动状态=完成2014-03-28 15:11:45，563 warn org.apache.oozie.command.wf.actionstartxcommand:用户[mathon\u k]组[-]令牌[]应用程序[oo\u 20140328]作业[0000028-140328083804680-oozie-oozi-w]操作[0000028-140328083804680-oozie-oozi-w@kill] [0000028-140328083804680-oozie-oozi-w@kill]操作已在数据库中更新！2014-03-28 15:11:45626警告org.apache.oozie.command.coord.coordActionUpdateCommand:用户[mathon\u k]组[-]token[]app[oo\u 20140328]作业[0000028-140328083804680-oozie-oozi-w]操作[-]e1100:执行前命令先决条件不成立，[，coord action为空]，错误代码：e1100
但是当我将shell脚本改为下面的脚本时，效果很好。

.#!/bin/bash

.#hadoop fs -mkdir /user/mathon_k/shell_dir

echo "hello "