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Questions tagged [talend]

Talend is an open source integration vendor that provides software for data integration, data quality, master data management, big data, business process management and service-oriented architecture.

Talend offers integration software along five axes:

  • Data Integration (ETL and ELT)
  • Data Quality (Profiling, Cleansing, Stewardship)
  • Master Data Management
  • Enterprise Service Bus (ESB - SOA)
  • Big Data

For each of these domains, Talend offers a freely downloadable version of their software licensed under GPL, and an extended enterprise version that comes under a subscription license but also includes access to the source code if desired.

On the open source side, the product list is:

  • "Talend Open Studio for Data Integration"
  • "Talend Open Studio for Data Quality"
  • "Talend Open Studion for MDM" - Master Data Management
  • "Talend Open Studio for ESB" and "Talend ESB Standard Edition" - Enterprise Service Bus
  • "Talend Open Studio for Big Data"
  • "Talend Data Preparation Free Desktop"
  • "Talend Data Streams Free Edition"
2775 questions
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talend: Java HotSpot(TM) 64-Bit Server VM error='Cannot allocate memory' (errno=12)

I was trying to run talend open studio for data integration on Ubuntu server(headless) in AWS, while opening talend it’s throwing an error: > Java HotSpot(TM) 64-Bit Server VM warning: INFO: > os::commit_memory(0x00000000a0000000, 536870912, 0)…
Nikhil Yadav
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Why does tWriteJSONField create an array for null values?

I have joined Countries to Locations in the HR Sample database in OracleXE. I am then using a tMap to generate a nested JSON document. it works, but for some reason null values in the Location are coming through as arrays in the final output in the…
smackenzie
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Talend multiple build jobs

We are using open source Talend studio and we have more then 50 jobs. Each build generate zip file contains all it's artifacts ( .bat .sh context, jar files) Is there a way to generate multiple build process from the studio or command line (…
Arnon Rodman
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Common Logging in Talend

I was trying to implement logging in Talend. So I made a job using normal components, I have recorded the error, info and debug through Twarn and Tdie. Using Logcatcher , I am segregating the log into two files of debug and error. This part is…
Deepan Ram
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Talend Open Studio: maven to add librairies

TOS for Data Integration version: 6.3.0 Let's says there's a routine that needs a external lib (i.e. commons lang). I would like to make maven download this lib (I don't want to add it manually with right click, add etc..). The goal is to make the…
Tyvain
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How to Regex and extract even new line until a match

I have use regex to successfully extract anything right after "Abc 123" but it doesn't extract anything from the new line. Is there any way I can use regex to extract the following: "Abc 123 def ghi jkl" "Abc 123 def ghi jkl mno" "Abc 123 def ghi…
Lighteden
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creating columns in a database table using talend context variables

I am trying to generate columns in myql database using context variables in talend open studio. How can we generate context query accordingly to that. I have searched in google, there are some answers using tfileInput and then edit schema so you…
many
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Talend: how to generate Java code from javajet templates and properties of a job?

Talend Data Integration studio, more than anything else, is a code generator. When I design a job in the studio using components from the Palette and run it, Talend combines {javajet template, xml, properties} files of the job and generates a single…
subba
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Can Talend use a dynamic table name for MySQL output?

(Talend OS for Data Integration) Is it possible to use a dynamic table name? I've researched all of the resources within the user manual and, whilst none of the them seem to expressly rule it out, I can't seem to get it to work. Scenario Say you…
Chris J
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ETL vs Workflow Management and which to apply? Can they be used the same?

I am in the process of setting up a data pipeline for a client. I've spent a number of years being on the analysis side of things but now I am working with a small shop that only really has a production environment. The first thing we did was to…
Alex
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Parse date with possible single-digit month/day/hour using java.text.SimpleDateFormat

On a project with Talend Open Studio (an Open Source code-generating ETL tool), I am getting errors parsing incoming date strings like "3/14/1967 0:00:00" (note the single-digit month). Digging into the code, I can see it is using…
ewall
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How to Upload files using Talend tREST?

Experts, I need to upload files using Talend tREST component to Zephyr/JIRA. I do not know the format/syntax to give in httpbody section like the curl's ( -F "file=@myfile.txt" ) URL https://localhost:4000/jira/rest/zapi/latest/attachment? …
Prakash Raj
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Datanode is not connected to the Namenode cloudera

I want to acces cloudera from a distant machine via Talend for big data. In order to do that i changed the ip of the host in cloudera by editing the file /etc/hosts and /etc/sysconfig/network. I can acces cloudera from Talend. However the problem is…
Sam
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Excel cells don't calculate until I double-click them

I have an excel sheet with three sum functions. The sheet is a template, so the rest of the sheet is blank, except for a couple text descriptions in Column A. I use an ETL process (Talend Open Studio) to open the worksheet, input some data, append…
Python Steve
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Talend jobs deployment

I am new to Talend Open Studio and I'd like to develop a job on a Macbook or a Windows PC and then export the job and run it on a Linux server as a scheduled job (i.e. cron). The job will involve extracting data from 2 Oracle databases on different…
Roobie
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