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This article describes various "recipes" on how to accomplish certain tasks with the NiFi processor ExecuteScript, with examples given in Groovy, Jython, Javascript (Nashorn), and JRuby. Recipes in t...
- Find more articles tagged with:
- Data Ingestion & Streaming
- executescript
- How-ToTutorial
- NiFi
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Show results in comments (8)
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Extremely usefull examples. However, I'm not sure how to receive one flowfile but transfer several ...
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@Matt Burgess I just wanted to clarify your 2 recipes for getting incoming flowfiles. The first men...
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Thank you! Also just for interest's sake and hope you don't mind answering here, but when will you ...
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Thanks, Matt. This is very informative.
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Yes we currently build with JDK 8 so we get Nashorn "for free". This will be the case when building...
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Hey Matt, great series of articles. I have learnt everything I know about ExecuteScript from here a...
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IIRC Jython returns the last thing evaluated, so you shouldn't need a "return" statement? Also the ...
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hi Matt, thank you for the tutorial-series. can you maybe show an example how to return in Jython?...
05-21-2016
08:35 AM
Guru
Created on 05-21-2016 08:35 AM
The key thing to remember is that in Spark RDD/DF are immutable. So once created you can not change them. However there are many situation where you want the column type to be different. E.g By def...
- Find more articles tagged with:
- Data Science & Advanced Analytics
- Issue Resolution
- issue-resolution
- Spark
- spark-sql
- SparkSQL
- zeppelin
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Show results in comments (3)
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I am also looking for something like this. I need to convert all my date datatypes to varchar in a ...
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Nice article. I am looking for a solution, Instead of specifying a each column separately. is there...
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Hi, Its not working for me ..Unable to cast the column data type.Here is my code.I am getting only...
Introduction Cloudera Data Platform (CDP) for public cloud has an amazing admin UI that drives you through a thorough wizards for setting up environment, data lakes, data hub clusters ...
Oracle SQL Developer is one of the most common SQL client tool that is used by Developers, Data Analyst, Data Architects etc for interacting with Oracle and other relational systems. So extending the...
- Find more articles tagged with:
- Data Processing
- Hive
- oracle sql developer
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Show results in comments (8)
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Do you now another SQL solution for complex querys in HW?
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Hi Chakra, Thank you for the steps, Have you tried using zk method to connect for sql developer? ...
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It is not working for me ,I followed above steps.I have 32 bit Windows 7 machine with sql developer...
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Rather than using the Cloudera JDBC driver, HortonWorks provides drivers at http://hortonworks.com/...
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more information: https://blogs.oracle.com/datawarehousing/entry/oracle_sql_developer_data_modeler
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To clarify, are you saying we can install the Cloudera Hive JDBC drivers along with some HDP jar fi...
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Nice writeup, and very timely too. My current client is looking for this info right now - will brin...
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Right Ancil, these are jar files specifically for Oracle SQL developers connectivity. I thought thi...
How to Submit Spark Application through Livy REST API Apache Livy supports using REST APIs to submit Spark applications, it is quite similar to use “spark-submit” in vanilla Spark. In this article w...
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- Data Science & Advanced Analytics
- How-ToTutorial
- livy
- Spark
- zeppelin
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Show results in comments (4)
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@sshao am submitting spark job through livy , below are my conf parameters data = {'kind': 'pyspar...
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hi i have exception java.io.FileNotFoundException 2019-06-01 00:43:19,160 WARN util.NativeCodeLoad...
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I am newer in BigData, i have tried to call spark jobs with apache Livy . With submit command line ...
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This is great thanks! Also, before too long there should be a NiFi processor and controller service...
11-14-2019
08:14 AM
2 Kudos
Cloudera Employee
Created on
11-14-2019
08:14 AM
- edited on
11-15-2019
01:50 PM
by
ask_bill_brooks
CDP has recently been introduced to the market, and we all want to learn about it, so I decided to contribute a bit.
In this series of tutorials, I want to explain the basics of CDP Data H...
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- aws
- CDP
- custom-scripts
- public-cloud
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Summary
The purpose of this article is to assist you in starting up your Cloudera Quickstart Virtual Machine once you have downloaded it.
Applies To
Quickstart VM 5.5...
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- Hadoop 101
Show results in comments (8)
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Hi! My laptop is already running on Ubuntu. So, I feel downloading the VM would be redundant. Howev...
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Hi dave. In this case I would suggest starting a new thread in the Hadoop 101 area. It may end up b...
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I have just downloaded the Quickstart 5.12.0 and all appears to be working well except - I cannot ...
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Once installation is done how to start CDH 5 default (4 Gb RAM required) VM? I can see the ic...
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problems with vm on virtual box - mac. posted as new topic - virtual-box-quic...
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I have to switch to VMWare image(cloudera-quickstart-vm-5.7.0-0-vmware), and run the VM with VMWare...
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Hi, I have a thinkpad w520 installed with Windows 10(64bit) as Host OS, I am able to run Debian Li...
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Please disregard message. I was using the zip file instead of the unzip... and your instructi...
09-04-2019
11:47 AM
2 Kudos
Super Guru
Created on 09-04-2019 11:47 AM - edited 09-04-2019 01:53 PM
My Kubernetes series (Part1, Part2) was strictly focused on MiNiFi on K8S. NiFi and MiNiFi may communicate over Site 2 Site; however, often the pattern is to...
Labels:
This article describes various "recipes" on how to accomplish certain tasks with the NiFi processor ExecuteScript, with examples given in Groovy, Jython, Javascript (Nashorn), and JRuby. This is Part...
- Find more articles tagged with:
- Data Ingestion & Streaming
- executescript
- How-ToTutorial
- NiFi
Labels:
Show results in comments (8)
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Hi, Matt! very useful and informative articles. Thank you veru much! Could you tell me how do I r...
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The formatting on this Article that folks in previous comments were complaining about (at least sin...
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I found an old version somewhere else: https://web.archive.org/web/20190102224526/https://communit...
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There seems to be some formatting error in the code snippets however, making it hard to read? Can ...
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Also I'm pretty sure I wasn't having this problem over the weekend
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Hey Matt, I think something is going wrong with the rendering of this page, perhaps it's just on my...
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I have an issue with Nifi v1.6 i was trying to write small python script inside ExecuteScript proce...
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formatting bug seems to be back. Please fix
In NiFi the data being passed between operators is referred to as a FlowFile and can be accessed via various scripting languages in the ExecuteScript operator. In order to access the data in the Flo...
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- Data Ingestion & Streaming
- How-ToTutorial
- json
- NiFi
- python
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Show results in comments (8)
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Thank you @Vasilis Vagias
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Hello @Vasilis Vagias, some other tutorials state that "NOTE: ExecuteScript will perform a session....
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@Vasilis Vagias I am trying to create a data flow with nifi using python scripts. To begin the proc...
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Hi @Vasilis Vagias Great article. I am scraping facebook page contents using python and want to u...
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In the example above, ExecuteScript Processor is showing some error and write is zero bytes from it...
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Hi, My flowFile seems to be null although its being generated in a previous GetFile processor. Cre...
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It looks like flowFile.get() is in a method in a class All that script does is define a class and e...
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Hi We are experiencing trouble in flowFile = session.write(flowFile, ModJSON()) that line. javax....
