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我試圖運行使用aws sdk ruby的步驟來使用hadoop的Amazon ElasticMapReduce服務,而我可以創建集羣和步驟,步驟經常失敗,而手動設置時不使用Web界面無法運行程序「-files」(在目錄「。」中):error = 2,沒有這樣的文件或目錄
emr = Aws::EMR::Client.new
cluster_id = "*******"
resp = emr.add_job_flow_steps({
job_flow_id: cluster_id, # required
steps: [ # required
{
name: "TestStep", # required
action_on_failure: "CANCEL_AND_WAIT", # accepts TERMINATE_JOB_FLOW, TERMINATE_CLUSTER, CANCEL_AND_WAIT, CONTINUE
hadoop_jar_step: { # required
jar: 'command-runner.jar',
args:[
"-files",
"s3://source123/mapper.py,s3://source123/source_reducer.py",
"-mapper",
"mapper.py",
"-reducer",
"source_reducer.py",
"-input",
"s3://source123/input/",
"-output",
"s3://source123/output/"
]
},
},
],
})
我得到的錯誤是這樣
Cannot run program "-files" (in directory "."): error=2, No such file or directory
任何線索?