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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 Open Studio 7.1 : tJavaFlex output issue

I'm asking for your help,I'm facing a problem with the tJavaFlex component. editorName ;ProductName ;end_date_resorption_versions;end_date_supported_versions…
raoh
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tFTPConnection setting password from context not working

I'm trying to set password of tFTPConnection component of Talend Open Studio using the context variable, but it's not working. I'm getting this exception: I've tried both reading context from file using context load and using context directly in the…
Ram
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How to get column names from a query?

I have a specific query with joins and aliases, and I need to retrieve columns name for a REST request in Talend. I'm using Talend Open Studio for Data Integration 6.2 and I've got an Oracle 11g database with a read-only account. I can execute…
Ceci Semble Absurde.
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2 answers

How to add maven dependencies in Talend Open Studio

In 2019, has anyone succeeded adding maven dependencies in Talend OpenStudio? tLibraryLoad is not a solution unless you have a whole life to load tens of jars one by one. As an example, would you suggest a method to use jersey jax-rs client in the…
Navalona Ramanantoanina
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How to force a child job with tRunJob to use the same context as the parent job?

I have a route in Talend ESB (SE) 6.5.1 which calls a Talend job with cTalendJob and this has a radio-button option "Use Route Context" which is great - if my route is DEV context, so it my job. However, when I've tried to move job this to another…
Screwtape
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5 answers

Talend tExtractXMLField

I have this job in Talend that is supposed to retrieve a field and loop through it. My big problem is that the code is looping through the XML fields but it's returning null. Here is a sample of the XML:
AntonioCS
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How do you set the default context for a Talend-ESB runtime container in Karaf?

I'm trying to get my head around the deployment atchitecture for Talend ESB (SE) runtime. I've got a single container at the moment and everything is running with the route's default context. That's great for PoC and development, but when we get…
Screwtape
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Talend AWSS3 component - iterate over files only once

I would like to use AWSS3 (cAWSS3) component in Talend (Routes) and fetch the files for further processing. But it seems it iterates over the files over and over again. I do not want to delete the files after they are processed. Is it possible to…
MarkTalend
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Running Hive or Spark using Amazon EMR on Talend?

I am trying to run hive queries on Amazon AWS using Talend. So far I can create clusters on AWS using the tAmazonEMRManage object, the next steps would be 1) To load the tables with data 2) Run queries against the Tables. My data sits in S3. So far…
godzilla
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In Talend how to fetch latest file

I have three files which are having the same schema, A1(file) received at 12:30:000.00, A2(file) received at 12:35:000.00, A3(file) received at 12:40:000.00. Now I want to fetch the latest file which is A3. Note: I have used to tfilelist component…
Naresh AR
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How can I show line numbers in Code tab of Talend?

Whenever I click on the Code tab to see the Java code of Talend job, I never see see the line numbers. Is there any settings to enable line numbers?
GadaaDhaariGeek
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Getting an error while opening a Talend job?

While opening a talend job I am getting the following error. I am using talend 6.1.1 An error has occurred. See error log for more details.java.lang.NullPointerException Note: when I double click on the job to open, the ln I am getting following…
user8745195
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1 answer

Talend memory leak in tHashOutput/tHashInput

I have a semi-slow memory leak in a Talend joblet. I am using a tHashOutput/tHashInput pair in the middle of a joblet because I need to find out how many rows are in the flow. Therefore, I push them into a tHashOutput and later on reference…
fool4jesus
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How do i migrate data from postgres to cassandra using any opensource etl tool?

I am trying not to use the copy command because it's the database is quite big. I am using talend etl open source tool , but haven't found any solution yet.
Annie
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Can't get Master Kerberos principal for use as renewer for Talend Batch Jobs

we are trying to use talend batch (spark) jobs to access hive in a Kerberos cluster but we are getting the below "Can't get Master Kerberos principal for use as renewer" error. By using the standard jobs(non spark) in talend we are able to access…
William R
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