Local development setup

[Dominik_Jenik]

Hi

I have tried some simple examples:

if (dtrum) {
    const actionId = dtrum.enterAction('some_action_name');
    dtrum.leaveAction(actionId);
}

and adding

                <script
                    type="text/javascript"
                    src="https://{environmentid}.live.dynatrace.com/" target=_blank>https://{environmentid}.live.dynatrace.com/

But I see that request goes to localhost, where I would expect it will go to https://{environmentid}.live.dynatrace.com/ 

Is that possible or do I have to run some instance of Dynatrace locally?

[radek_jasinski]

Dominik,

Can you write more details what you want to do?
Do you want to use JavaScript API for monitoring your WWW ?

Radek

[Dominik_Jenik]

yes, I want to use JavaScript API. (its Next JS Typescript APP but I think that does not matter much)

I want to test it running localhost and afterward deploy to cloud.

[radek_jasinski]

Of course, you can redirect your local machine to DT in SaaS.
Did you put a script with the address to Dynatrace in the header?

In general, I have not encountered a situation where traffic is redirected to localhost:9000. I suspect a placement error in the script or perhaps a mechanism on the WWW that substitutes this (I have encountered such a situation with F5).

Please read the examples you can find here:

1. In the Dynatrace menu, go to Settings > Web and mobile monitoring > Advanced setup.
2. Under JavaScript tag API, select Download documentation and samples.

https://www.dynatrace.com/support/help/shortlink/api-rum#documentation

[Dominik_Jenik]

Thanks for reply.

It is there in the header and its loaded OK

But the outgoing communication is going to localhost.

I think I am not doing anything special in the usage of dtrum.

Now, I have tried one of the examples dynatraceapi-1.255.1.20221104-040649.zip

But here I get little bit different behaviour:

Access to XMLHttpRequest at 'file:///C:/rb_bf33897nam?type=js3&flavor......m172lcx&end=1' from origin 'null' has been blocked by CORS policy: Cross origin requests are only supported for protocol schemes: http, data, isolated-app, chrome-extension, chrome, https, chrome-untrusted.

Do you think it can have something with one of the following configurations:

etc.

[Dominik_Jenik]

It looks like our Next JS app is routing it to its default route:

(and Yes it is properly loaded)

[Dominik_Jenik]

Using example from dynatraceapi-1.255.1.20221104-040649.zip adding it to Header of that testing example file

 I am getting this error:

From what I see that your script is always using the domain where it is run from (in this case filesystem c:/).

[radek_jasinski]

It seems to me that you are injecting the script incorrectly. Because the URL tenant is not generated correctly.  

You can generate a JS script for agentless rum and compare syntaxes.

See the screen I presented below:

<script type="text/javascript" src="https://js-cdn.dynatrace.com/jstag/{id}/ruxitagent_ICA2NVfqru_{id}.js" data-dtconfig="app={id}|cors=1|featureHash=ICA2NVfqru|vcv=2|reportUrl=https://{id}.bf.dynatrace.com/bf|rdnt=1|uxrgce=1|bp=3|cuc={id}|mel=100000|dpvc=1|ssv=4|lastModification={id}|dtVersion=10259230221142207|tp=500,50,0,1|agentUri=https://js-cdn.dynatrace.com/jstag/{id}/ruxitagent_ICA2NVfqru_{id}.js" crossorigin="anonymous"></script>

[Dominik_Jenik]

I have tried also your way, to use "OneAgent Javascript Tag"

But that lead still to localhost with the same error 404.

And not just that but it does not import the dtrum (which "Javascript tag" does)

[Radoslaw_Szulgo · Accepted solution]

I guess you've tried this one? 

https://www.dynatrace.com/support/help/extend-dynatrace/openkit/instrument-your-application-using-dy...

[Dominik_Jenik]

Where can I find my endpointURL, applicationID, clientIP and what about credentials for authentification/authorization?

[Radoslaw_Szulgo · Accepted solution]

Use the downloaded library and the Beacon URL and Application ID provided in the instrumentation wizard to instrument your application.

ClientIP is your IP. Put anything that you want to be identified.