Setting up the global environment variable for the whole job

WSyahirah21 — Fri, 15 Nov 2024 23:17:50 GMT

I am currently trying to create a nee job using Talend Studio. This job requires me to set system environment variable for the whole job, instead of set it per component.

My job is:

So as shown in image below, i managed to set the environment variable in tSystem, but how do i make it so that the environment variable is able to be used for the whole job instead of only one single component in TOS?

Re: Setting up the global environment variable for the whole job

gjeremy1617088143 — Thu, 20 Jan 2022 08:48:17 GMT

Hi, if you really want to set an environnement variable for all the job you can create a routine :

package routines;

import java.util.Map;

public class MyRoutine {

@SuppressWarnings("unchecked")

public static Map<String, String> getModifiableEnvironment() throws Exception

{

Class<?> pe = Class.forName("java.lang.ProcessEnvironment");

java.lang.reflect.Method getenv = pe.getDeclaredMethod("getenv", String.class);

getenv.setAccessible(true);

java.lang.reflect.Field props = pe.getDeclaredField("theCaseInsensitiveEnvironment");

props.setAccessible(true);

return (Map<String, String>) props.get(null);

}

then you can call it and add the env var you want like this :

MyRoutine.getModifiableEnvironment().put("propName", "propValue");

!! you will see the folowing warning in the console :

WARNING: An illegal reflective access operation has occurred

WARNING: Illegal reflective access by routines.MyRoutine (file:/C:/Users/workspace/LOCAL_PROJECT/poms/code/routines/target/classes/) to method java.lang.ProcessEnvironment.getenv(java.lang.String)

WARNING: Please consider reporting this to the maintainers of routines.MyRoutine

WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations

WARNING: All illegal access operations will be denied in a future release

as you can see it's note the best recommended method but it work.

if you do System.out.println(System.getenv("propName"));

it will print propValue.

else if you just want to stock a key value use tSetglobalVar component.

topic Re: Setting up the global environment variable for the whole job in Talend Studio

Setting up the global environment variable for the whole job

Re: Setting up the global environment variable for the whole job