topic Re: two custom components cannot run one job in Talend Studio

two custom components cannot run one job

Anonymous — Fri, 02 Jan 2026 14:45:42 GMT

Hello,

I have develop two custom components (name: Producer and Register) in the same family (name: IBIT) and category (big data) with version component-api 1.1.4 and talend-component-maven-plugin 1.1.5. The two components run single in the job but not together. I get the error:

Exception in component IBITProducer_1 (test)
java.lang.IllegalArgumentException: Can't find IBIT#Producer
at project.test_0_1.test$1tWaitForFile_1Thread.lambda$0(test.java:1277)
at java.util.Optional.orElseThrow(Optional.java:290)

My job look like:

What can I do?

Re: two custom components cannot run one job

Anonymous — Wed, 30 Jan 2019 14:44:12 GMT

Are the components packaged in separated jar files ? if yes, this is not supported for the moment for the same family. So please package all the components of the same family in one single jar.

Re: two custom components cannot run one job

Anonymous — Wed, 30 Jan 2019 14:51:51 GMT

yes they are seperated eclipse/maven project. Can I have seperate maven/eclipse project and pack to one jar?

Re: two custom components cannot run one job

Anonymous — Wed, 30 Jan 2019 14:54:23 GMT

Currently we enforce a single "component" - understand this as deployed component module - to own a family to guarantee we have some interoperability between components.

In next version - 1.1.6 - we will enable to have a component depending on another one and deploying both with the registration of the root component but still not to deploy 2 component modules in the same family for the same reason.

Please use two families - but it can use the same category - or merge them both through your build - you can always do a shade of both modules and deploy that.

Re: two custom components cannot run one job

Anonymous — Tue, 19 Feb 2019 14:03:02 GMT

ok now I do not receive this error but the components doesnt start. Either IBITRegister starts (this module produces messages at regular intervals), but then twaitforfile does not respond. Only if I deactivate the module IBITProducer twaitforfile reacts when new files arrive.

Re: two custom components cannot run one job

Anonymous — Tue, 19 Feb 2019 14:26:55 GMT

is the IBITProducer component correctly receiving and handling the records from the tWaitForFile ?
Can you please debug your component and see if the component is working correctly.
Here is a chapter from the documentation explaining how to debug https://talend.github.io/component-runtime/main/1.1.7/studio.html#_debugging_your_custom_component_in_talend_studio

Re: two custom components cannot run one job

Anonymous — Tue, 19 Feb 2019 14:39:47 GMT

yes because If I deactivate IbitRegister_1 and tMomOutput_1 the tWaitForFile and IBITProducer works correctly. It always works only one.

Re: two custom components cannot run one job

Anonymous — Thu, 07 Mar 2019 13:24:21 GMT

Hi,

I am creating custom component using Talend component starter kit . I am trying to get values of talend paramters in service.java. please help me get values directly,gettter methods of datastore giving null values.

I need to get below screen shot parameters values directly in service.java.

these ElementParameterParser.getValue() method is usefull for jet frame work.

String serverAddr = ElementParameterParser.getValue(node, "__SERVERADDR__");
String port = ElementParameterParser.getValue(node, "__PORT__");

thanks,

venkat.

parameters.png

Re: two custom components cannot run one job

Anonymous — Thu, 07 Mar 2019 13:24:26 GMT

Hi,

I need to get below screen shot parameters values directly in service.java.

these ElementParameterParser.getValue() method is usefull for jet frame work.

String serverAddr = ElementParameterParser.getValue(node, "__SERVERADDR__");
String port = ElementParameterParser.getValue(node, "__PORT__");

thanks,

venkat.

parameters.png
parameters.png

Re: two custom components cannot run one job

Anonymous — Thu, 07 Mar 2019 14:16:54 GMT

Hello @Venkat_C ,

you get it in the component (which is intantiated per parameter) and you propagate it to the service through a standard parameter passing pattern, you don't inject into a service parameters because services are shared between components (single instance per JVM).

Romain

Re: two custom components cannot run one job

Anonymous — Thu, 07 Mar 2019 15:21:04 GMT

Hi rmannibucau,
I am new in custom component creation. Can you tell me ,how to store parameters into string variables directly.it possible means tell me ,how can approach this scenario.
Thanks,
Venkat

Re: two custom components cannot run one job

Anonymous — Thu, 07 Mar 2019 16:16:29 GMT

You just need to edit the configuration through a Talend application (Talend Open Source Studio for instance).
If you want to write a test you get the doc generated in target/classes/TALEND-INF and it gives you the keys to use.

Re: two custom components cannot run one job

Anonymous — Fri, 08 Mar 2019 08:56:57 GMT

Hi Romain,

@DynamicValues("valuesProvider")
public Values action()
{
ArrayList<Item> a10=new ArrayList<>();

VtigercrmComponentsDataStore data= new VtigercrmComponentsDataStore();

WSClient client = new WSClient(data.getVtigerCRM_URL());
boolean result = client.doLogin(data.getUsername(),data.getAccessKey());

if(result == false)
{
System.out.println("Login failed!");
System.out.println(client.lastError());
return new Values(a10);
}
else {

Map types = client.doListTypes();
Iterator iterator = types.keySet().iterator();
while(iterator.hasNext()) {
Object key = iterator.next();
Map moduleInfo = (Map) types.get(key);
String s1= moduleInfo.get("name").toString();
a10.add(new Item(s1,s1));

}
}
return new Values(a10);
}

I have run this method using three parameters and its give dynamic module list for module parameter . but i am facing null point Exception as like below

An internal error occurred during: "Retrieve values".
MESSAGE
status: 520
Content-Type: application/json
Date: Fri, 08 Mar 2019 08:54:38 GMT

{"code":"ACTION_ERROR","description":"Action execution failed with: unexpected null"}^@

please help me out this scenario.

thanks,

venkat.

Re: two custom components cannot run one job

Anonymous — Fri, 08 Mar 2019 10:32:23 GMT

Issue is you are creating yourself a datadtore without initialising the properties so you get a null error which is normal.

Dynamic values are for environment related completion and not datastore/configuration related completion. Please refer to suggestions action type part in the doc, it is what you are trying to do.