First, I'd log into Cloudera Manager, and go to the Diagnostics link at the top, and select logs. Then deselect "select/check all" and then specifically select Sqoop. Do a search on those logs at either the warning or error level. It should tell you what is happening while you're running the sqoop job. One thing to note, within the Sqoop UI (maybe there's a configuration setting somewhere) when you specify the output directory, it has to be a directory that doesn't already exist. Every time the job runs it will try to create that directory, and if it exists it will err.
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