Hi Dale, You could also check the permissions on the script. I was able to echo text from a bash script which placed the text in the flowfile content.
Thanks, Lee On Tue, Sep 27, 2016 at 6:32 PM, Andy LoPresto <alopre...@apache.org> wrote: > Hi Dale, > > I just tried to replicate this and I’m not sure I fully understand the > issue. > > You can see the actual contents of my Java class [1], Bash script [2], and > command-line activity [3] in the Gists provided. I then set up a flow [4] > which simply executed the script every 5 seconds and logged the output. I > saw both the output from System.out.println() and System.err.println() as > the content of the flowfile [5]. I did need to set the RedirectErrorStream > property in ExecuteProcess to capture the error output as well. > > After doing this, I re-read your question and notice you mention that the > “echo commands” are not showing up. Does this refer to echo output from the > bash script itself? I also replicated this [6][7]. > > If you are referring to output from the Scala code, is this perhaps being > indirected via logging mechanism? If you run the command directly from the > command line, does this output appear in the standard output console? > > Can you please clarify what I misunderstood from your question or let me > know if I missed something. Thanks. > > [1] https://gist.github.com/alopresto/f71a85793cabcb22917546b7e504fe00 > [2] https://gist.github.com/alopresto/b166a7a9ccc3347541aaa24410883d4b/ > c4f2d7e7cda5d40defafe3796f7587915612c5ac > [3] https://gist.github.com/alopresto/1157967ec70da8a25c176c82911613c8 > [4] https://gist.github.com/alopresto/9ef34727a7e72bb81944c214f921078a > [5] https://gist.github.com/alopresto/72ba8f56495813e3fd0f0d9b9165d0e7 > [6] https://gist.github.com/alopresto/b166a7a9ccc3347541aaa24410883d4b/ > ae888959fec099afc951dea23186b681329d4b22 > [7] https://gist.github.com/alopresto/9c93a5b3daed983219f43c7766450e90 > > Andy LoPresto > alopre...@apache.org > *alopresto.apa...@gmail.com <alopresto.apa...@gmail.com>* > PGP Fingerprint: 70EC B3E5 98A6 5A3F D3C4 BACE 3C6E F65B 2F7D EF69 > > On Sep 27, 2016, at 2:40 PM, dale.chang13 <dale.chan...@outlook.com> > wrote: > > So I have a bash script that I am able to run from the command line, and I > want to be able to let NiFi call it using the ExecuteProcess processor. > > The script itself runs fine from the command line, and it looks like the > ExecuteProcess is executing the script as well (I have a LogAttribute > processor as a downstream processor that verifies that no problems were > executing the script), but neither the Bulletin nor the logs tell me if > anything is wrong or successful. > > I found that the echo commands in the script should write to the NiFi > FlowFile Content, but I do not see anything show up. > > > > The script is simply a java -jar xx.jar file, which happens to contain a > java wrapper class with a main method that calls a scala main object that > then performs Apache Spark operations. > > Any ideas? > > > > -- > View this message in context: http://apache-nifi-developer- > list.39713.n7.nabble.com/ExecuteProcess-Question-tp13471.html > Sent from the Apache NiFi Developer List mailing list archive at > Nabble.com <http://nabble.com>. > > >
