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    • NiFi (250)

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    • James McMahon (250)
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[expand - 3 more] [collapse] - Error in Jython environment - NiFi - [mail # user]
...Thank you all for your insights. I opted to drop back and take a slightlydifferent approach, since statvfs was problematic.I created a pyt... ajython function that employs subprocess.Popen a...
   Author: James McMahon , 2018-04-16, 21:21
  
Error in Jython environment - NiFi - [mail # user]
...I'm not sure I understand. The ExecuteScript processor forces me into aJython environment - despite selecting Python as the scripting language inthe processor configuration. I'll never under...
   Author: James McMahon , 2018-04-15, 12:35
Error in Jython environment - NiFi - [mail # user]
...No sir. When I run from the command line - I encapsulate script-specificcommand sequences in  code triggered by SCRIPT var value, and NiFisequences encapsulated within NIFI var values -...
   Author: James McMahon , 2018-04-13, 21:47
Error in Jython environment - NiFi - [mail # user]
...Good afternoon. I am running a python script from an ExecuteScriptprocessor in NiFi 0.7.1.c. I'm assuming this is actually running in aJython environment under the hood of the processor.Gene...
   Author: James McMahon , 2018-04-13, 18:37
Querying for workflow volume - NiFi - [mail # user]
...How can a program running within an ExecuteScript processor determine asnapshot of the flowfile volume in a workflow at a point in time? I have apython program, and I want to control its exe...
   Author: James McMahon , 2018-03-29, 16:14
  
[expand - 1 more] [collapse] - How does processor run duration impact scripts in ExecuteScript? - NiFi - [mail # user]
...Please disregard and pardon my question. Evidently not all processors offerthe "Run duration" configuration parameter, and ExecuteScript is one thatdoes not. My apologies.On Mon, Feb 26, 201...
   Author: James McMahon , 2018-02-27, 11:02
  
How does processor run duration impact scripts in ExecuteScript? - NiFi - [mail # user]
...Good afternoon. I have a python script that progresses through a complexdirectory structure, and is called by an ExecuteScript processor.There is a for loop in the script. What happens if I ...
   Author: James McMahon , 2018-02-26, 20:41
[expand - 1 more] [collapse] - Get YYYY from java.sql.Timestamp (jython engine, ExecuteScript) - NiFi - [mail # user]
...Excellent - thank you Matt, I will work this in immediately. As always Iappreciate the insights and advice.Cheers,JimOn Thu, Feb 22, 2018 at 2:46 PM, Matt Burgess  wrote:> Jim,>&g...
   Author: James McMahon , 2018-02-22, 19:56
  
Get YYYY from java.sql.Timestamp (jython engine, ExecuteScript) - NiFi - [mail # user]
...Hello. I have a java.sql.Timestamp object in a python script being executedby the python engine of ExecuteScript. As has been explained to me, theunderpinnings of this appears to be jython.I...
   Author: James McMahon , 2018-02-22, 12:17
[expand - 2 more] [collapse] - Sending Arguments to Scripts from ExecuteScript - NiFi - [mail # user]
...After some trial and error I discovered that my check whether the sys.argvlist was empty was failing. I had been trying thisif not sys.argvwhich I expected to work in the case where I was ru...
   Author: James McMahon , 2018-02-19, 14:41
  
Sending Arguments to Scripts from ExecuteScript - NiFi - [mail # user]
...Checking back in. Can we reference the user-defined custom config parmspassed in from ExecuteScript as *sys.argvs* in the python script beingexecuted by ExecuteScript?On Fri, Feb 16, 2018 at...
   Author: James McMahon , 2018-02-18, 15:26
Sending Arguments to Scripts from ExecuteScript - NiFi - [mail # user]
...Good afternoon. I have a python script I would like to run fromExecuteScript. Since my script can run from either a command line in debugmode or from the ES processor, I'd like to set up ini...
   Author: James McMahon , 2018-02-16, 18:14
[expand - 2 more] [collapse] - Object not recognized in ExecuteScript - NiFi - [mail # user]
...Matt, I have noticed another behavior pattern I hope to correct, but Idon't fully understand it and so hope that you can provide some insights.I have embedded the flowFile related commands t...
   Author: James McMahon , 2018-02-15, 11:27
  
Object not recognized in ExecuteScript - NiFi - [mail # user]
...I see. Thank you Matt. -JimOn Mon, Feb 12, 2018 at 12:10 PM, Matt Burgess  wrote:> Jim,>> In this case I don't think it's as much that the modules aren't being> found, rathe...
   Author: James McMahon , 2018-02-12, 17:24
Object not recognized in ExecuteScript - NiFi - [mail # user]
...Good afternoon. I havd a python script that I can execute from the commandline via my python interpreter. In it, I do thismyTime = time.mktime(myDateTime.timetuple())When I try to run from m...
   Author: James McMahon , 2018-02-12, 16:58
[expand - 1 more] [collapse] - Integrate new flowFile generation out of an ExecuteScript processor running a python script - NiFi - [mail # user]
...Matt, thanks very much for all your help. I tried to embed thesession.create() and the session.transfer() into the loop that crunchesthrough the files. The ExecuteScript processor that runs ...
   Author: James McMahon , 2018-02-09, 00:28
  
Integrate new flowFile generation out of an ExecuteScript processor running a python script - NiFi - [mail # user]
...Good afternoon. I have a python script I will execute from an ExecuteScriptprocessor. This script applies complex filtering logic to select certainfiles from a recursive directory structure....
   Author: James McMahon , 2018-02-07, 19:51
Alternative to Failure from a processor? - NiFi - [mail # user]
...Good evening. I have a somewhat challenging requirement, and hope someonein the group has tackled this before.There are cases where a flowFile will fail to process through a processorin my w...
   Author: James McMahon , 2018-02-06, 22:24
  
[expand - 1 more] [collapse] - Generalizing a List / Fetch workflow - NiFi - [mail # user]
...This sounds promising. I can give it a try. Assuming this is the properplace to download the code for ListFile, can you tell me how to pull thecorrect source code? I've not yet done this. I ...
   Author: James McMahon , 2018-01-28, 00:21
  
Generalizing a List / Fetch workflow - NiFi - [mail # user]
...My customer has posted a requirement for a generalized List / Fetchworkflow. I would not be able to express the target directory in theListFile as a fixed value because I would need to reset...
   Author: James McMahon , 2018-01-26, 21:03
[expand - 1 more] [collapse] - How to resolve failure to coerce to byte[] in ExecuteScript python script - NiFi - [mail # user]
...Thank you very much Matt. I'll make that refinement right now and reprocessmy data collection.  -Jim.On Tue, Jan 23, 2018 at 1:08 PM, Matt Burgess  wrote:> Jim,>> If you o...
   Author: James McMahon , 2018-01-23, 18:36
  
How to resolve failure to coerce to byte[] in ExecuteScript python script - NiFi - [mail # user]
...Good afternoon. I have a python script that attempts to execute a streamcallback. I use re to extract content out of the incoming streamrepresented as a string. After extracting the content ...
   Author: James McMahon , 2018-01-23, 16:23
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