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Re: [tracecompass-dev] Incubator Trace Server issue
  • From: Bernd Hufmann <bernd.hufmann@xxxxxxxxxxxx>
  • Date: Tue, 8 Mar 2022 18:03:50 +0000
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  • Thread-topic: Incubator Trace Server issue
Hi

> Also this line is never put to the log: Server:app thread - org.eclipse.tracecompass.incubator.trace.server.jersey.rest.core.id.0: Started

This is not printed when running the Trace Server of master branch. This print-out was shown when running with older target definition, which is not relevant for you, Johan.

Some notes about the Trace Server usage in the theia-trace-extension front-end application. In the front-end application is a preference to specify where the trace server application is located on your machine. Just go to "File -> Preferences -> Open Settings (UI)" and from the UI go to "Extensions -> Trace Viewer". In there you will find 3 preferences:
  • Trace Server: Arguments
  • Trace Server: Path
  • Trace Viewer: Port
In the "Trace Server: Path" you can provide the absolute path to the executable (incl. executable name). The "Trace Server: Arguments" are used for if you want to provide different settings than the defaults. The "Trace Viewer: Port" is the port where the trace server was started on. The Trace Compass server by defaults starts on port 8080. If you want to change that you need to change the port using the "Trace Server: Arguments" (e.g.: -vmargs -Dtraceserver.port=8081) AND change the "Trace Viewer: Port" preferences to the same value.

About the TSP specification, we are currently doing a clean-up of the TSP specification to make sure it shows what is currently supported in the Trace Compass server as well as the client implementation. Right now, it might be bit confusing. The swagger spec. mentioned by Francesco, is a step towards this cleaned-up version of the TSP. Please follow the repo https://github.com/theia-ide/trace-server-protocol for any updates. 

Best Regards
Bernd

From: tracecompass-dev <tracecompass-dev-bounces@xxxxxxxxxxx> on behalf of Johan Besseling <johanbes@xxxxxx>
Sent: March 7, 2022 3:44 PM
To: tracecompass-dev@xxxxxxxxxxx <tracecompass-dev@xxxxxxxxxxx>
Subject: Re: [tracecompass-dev] Incubator Trace Server issue
 

Hello Fransesco, 


Thanks a lot, it works, in the browser as well!


I just thought since the instructions says localhost:8080 is the default URL I would be able to reach the server in some way! 


Also this line is never put to the log: Server:app thread - org.eclipse.tracecompass.incubator.trace.server.jersey.rest.core.id.0: Started


So I just assumed there was some error 😊 


Regards

Johan

Från: tracecompass-dev <tracecompass-dev-bounces@xxxxxxxxxxx> för Francesco Robino <frobino@xxxxxx>
Skickat: den 7 mars 2022 10:39:37
Till: tracecompass-dev@xxxxxxxxxxx
Ämne: Re: [tracecompass-dev] Incubator Trace Server issue
 

Hi Johan,


I was not aware that there was a separate incubator mailing list, so your mail opened me a new world of information 😊


From what I read it looks like you have been able to start the server successfully, so I wonder how are you curl-ing it?

I usually do the following to check if the server is alive:


curl -H "content-type: application/json" -H "Accept: application/json" -X GET 'localhost:8080/tsp/api/health'


In this page you will find some other endpoints to query (the ones that are documented/implemented in the current server):

https://theia-ide.github.io/trace-server-protocol/swagger/


Hope this helps!


Bests

Francesco


Da: tracecompass-dev <tracecompass-dev-bounces@xxxxxxxxxxx> per conto di Johan Besseling <johanbes@xxxxxx>
Inviato: domenica 6 marzo 2022 14:04
A: tracecompass-dev@xxxxxxxxxxx
Oggetto: Re: [tracecompass-dev] Incubator Trace Server issue
 

I see that I emailed the wrong adress, sent a new message to incubator email instead.


Delete this ticket please


Regards

Johan

Från: Johan Besseling
Skickat: den 6 mars 2022 13:29:04
Till: tracecompass-dev@xxxxxxxxxxx
Ämne: Incubator Trace Server issue
 

Hello,


I am starting on my implementation to create a new trace for my Master thesis but first I would like to get started with the Trace Server and understand how it works. I have encountered some issues when starting it that I hope I can help with.


I have followed the instructions to setup the development environment here https://wiki.eclipse.org/Trace_Compass/Development_Environment_Setup. 


I have followed the instructions here to start the server

https://github.com/tracecompass/tracecompass-incubator/blob/master/doc/org.eclipse.tracecompass.incubator.trace.server.doc.dev/doc/Developer-Guide.mediawiki


The problem is that when I start the server, either as an application in Eclipse or through the terminal, I am not able to access it through the browser or curl. I did put some log statements in the code to make sure that it is port 8080 and I can check through net stat that 8080 is being used. 


The error I receive is 404 Not found powered by jetty 10.0.6.


I get the same error on both my Mac 12.1 Monterey and my Windows 10 PC, using OpenJDK 11 as JRE


Except for the browser error there is no other errors in the console except a class load of SLF4J.


Any ideas of what could cause this?


Regards

Johan

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