无法在oozie中运行shell（错误= 2，没有这样的文件或目录）

Question

在运行后我在我的工作流程中为oozie和sample.sh文件创建了ambari-views ui的工作流程，我有一个错误。当我将shell的主体改为简单的命令，例如echo 1这个错误没有出现请告诉我

2:34,752  WARN ShellActionExecutor:523 - SERVER[dlmaster02.sic] USER[root] GROUP[-] TOKEN[] APP[shell-wf] JOB[0000043-180630152627142-oozie-oozi-W] ACTION[0000043-180630152627142-oozie-oozi-W@shell-node] Launcher ERROR, reason: Main class [org.apache.oozie.action.hadoop.ShellMain], main() threw exception, Cannot run program "sample.sh" (in directory "/hadoop/yarn/local/usercache/root/appcache/application_1531029096800_0022/container_e18_1531029096800_0022_01_000002"): error=2, No such file or directory
2018-07-21 16:42:34,753  WARN ShellActionExecutor:523 - SERVER[dlmaster02.sic] USER[root] GROUP[-] TOKEN[] APP[shell-wf] JOB[0000043-180630152627142-oozie-oozi-W] ACTION[0000043-180630152627142-oozie-oozi-W@shell-node] Launcher exception: Cannot run program "sample.sh" (in directory "/hadoop/yarn/local/usercache/root/appcache/application_1531029096800_0022/container_e18_1531029096800_0022_01_000002"): error=2, No such file or directory
java.io.IOException: Cannot run program "sample.sh" (in directory "/hadoop/yarn/local/usercache/root/appcache/application_1531029096800_0022/container_e18_1531029096800_0022_01_000002"): error=2, No such file or directory
    at java.lang.ProcessBuilder.start(ProcessBuilder.java:1048)
    at org.apache.oozie.action.hadoop.ShellMain.execute(ShellMain.java:110)
    at org.apache.oozie.action.hadoop.ShellMain.run(ShellMain.java:69)
    at org.apache.oozie.action.hadoop.LauncherMain.run(LauncherMain.java:75)
    at org.apache.oozie.action.hadoop.ShellMain.main(ShellMain.java:59)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.apache.oozie.action.hadoop.LauncherMapper.map(LauncherMapper.java:231)
    at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54)
    at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:453)
    at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343)
    at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:170)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:422)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1869)
    at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:164)
Caused by: java.io.IOException: error=2, No such file or directory
    at java.lang.UNIXProcess.forkAndExec(Native Method)
    at java.lang.UNIXProcess.<init>(UNIXProcess.java:247)
    at java.lang.ProcessImpl.start(ProcessImpl.java:134)
    at java.lang.ProcessBuilder.start(ProcessBuilder.java:1029)
    ... 17 more

我的工作流程的xml

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<workflow-app xmlns="uri:oozie:workflow:0.5" name="test">
    <start to="shell_1"/>
    <action name="shell_1">
        <shell xmlns="uri:oozie:shell-action:0.3">
            <job-tracker>${resourceManager}</job-tracker>
            <name-node>${nameNode}</name-node>
            <configuration>
                <property>
                    <name>Group</name>
                    <value>hadoop</value>
                </property>
            </configuration>
            <exec>/user/ambari-qa/sample.sh</exec>
            <file>/user/ambari-qa/sample.sh</file>
        </shell>
        <ok to="end"/>
        <error to="kill"/>
    </action>
    <kill name="kill">
        <message>${wf:errorMessage(wf:lastErrorNode())}</message>
    </kill>
    <end name="end"/>
</workflow-app>

Answer 1

请尝试下面的内容，让我知道您的结果。

<exec>sample.sh</exec>
<file>${nameNode}/user/ambari-qa/sample.sh</file>

它需要一个Namenode访问的完整路径，否则它将查找默认路径，此处错误表示该脚本在默认路径中不可用。