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# support
r
Hello, Support team. Hope all you are doing well. This is Ruslan from Ukraine. I have set up the SigNoz server on hosting and get some erros: Please check the screenshot.
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[book@stage <http://stage.bookretreats.com|stage.bookretreats.com>]$ php htdocs/signoz.php 
Endpoint: <http://194.140.199.96:4318/v1/traces>
Service Name: BookRetreats-PHP-Server
Insecure: true
Starting OTLP example[2023-09-14T13:24:41.005846+00:00] php-otlp-example.ERROR: Export failure {"exception":"[object] (RuntimeException(code: 0): Export retry limit exceeded at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/open-telemetry/sdk/Common/Export/Http/PsrTransport.php:114)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Psr18NetworkException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"<http://194.140.199.96:4318/v1/traces>\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Psr18Client.php:130)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Exception\\TransportException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"<http://194.140.199.96:4318/v1/traces>\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Chunk/ErrorChunk.php:65)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Exception\\TransportException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"<http://194.140.199.96:4318/v1/traces>\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Response/CurlResponse.php:324)","source":"OpenTelemetry\\Contrib\\Otlp\\SpanExporter"} []
[2023-09-14T13:24:41.217725+00:00] php-otlp-example.ERROR: Export failure {"exception":"[object] (RuntimeException(code: 0): Export retry limit exceeded at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/open-telemetry/sdk/Common/Export/Http/PsrTransport.php:114)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Psr18NetworkException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"<http://194.140.199.96:4318/v1/traces>\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Psr18Client.php:130)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Exception\\TransportException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"<http://194.140.199.96:4318/v1/traces>\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Chunk/ErrorChunk.php:65)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Exception\\TransportException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"<http://194.140.199.96:4318/v1/traces>\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Response/CurlResponse.php:324)","source":"OpenTelemetry\\Contrib\\Otlp\\SpanExporter"} []
[2023-09-14T13:24:41.513919+00:00] php-otlp-example.ERROR: Export failure {"exception":"[object] (RuntimeException(code: 0): Export retry limit exceeded at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/open-telemetry/sdk/Common/Export/Http/PsrTransport.php:114)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Psr18NetworkException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"<http://194.140.199.96:4318/v1/traces>\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Psr18Client.php:130)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Exception\\TransportException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"<http://194.140.199.96:4318/v1/traces>\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Chunk/ErrorChunk.php:65)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Exception\\TransportException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"<http://194.140.199.96:4318/v1/traces>\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Response/CurlResponse.php:324)","source":"OpenTelemetry\\Contrib\\Otlp\\SpanExporter"} []
[2023-09-14T13:24:41.796673+00:00] php-otlp-example.ERROR: Export failure {"exception":"[object] (RuntimeException(code: 0): Export retry limit exceeded at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/open-telemetry/sdk/Common/Export/Http/PsrTransport.php:114)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Psr18NetworkException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"<http://194.140.199.96:4318/v1/traces>\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Psr18Client.php:130)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Exception\\TransportException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"<http://194.140.199.96:4318/v1/traces>\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Chunk/ErrorChunk.php:65)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Exception\\TransportException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"<http://194.140.199.96:4318/v1/traces>\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Response/CurlResponse.php:324)","source":"OpenTelemetry\\Contrib\\Otlp\\SpanExporter"} []

OTLP complete!
The log from my php server for instrumentation. Please help me to sovle this.
v
How did you instrument? Are you using using http exporter or grpc?
r
http
I've set up the server by docker standalone
v
Is 
<http://194.140.199.96:4318/v1/traces>
accessible from your app?
r
no
v
That’s why there’s an error
Please make sure exporter can export to 4318
r
how can configure that?
I've changed nothing
v
How are you running SigNoz?
r
please check here. 🙏
v
Please expose 4318 port of the machine where you are running signoz
r
to do that, what should I configure?
v
That depends on machine on which you are running
Is it on AWS/GCP? You can go settings of that machine and expose 4318
r
Linux vmi1452187.contaboserver.net 5.4.0-105-generic #119-Ubuntu SMP Mon Mar 7 184924 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux Purchased on Contabo
Need to do with sudo command
yes, I expose 4318 port of my machine. with this command: sudo ufw allow 4318/tcp What is the next?
v
Try sending data now
r
but still http://194.140.199.96:4318/v1/traces is not working
image.png
after set up the SigNoz server primarily by docker standalone guide, is there anything to change the setting for port 4318?
v
Can you please run: 
docker ps
r
image.png
v
Your signoz otel collector is restarting
Can you check logs of that
r
image.png
Still restarting
what is the problem?
v
Check logs of otel collector by running: 
docker logs -f <container-id>
r
In the logs, there is a error in these lines. is this wrong?
v
What’s the error? Please share logs
r
image.png
v
Check line 39
Use a yaml file validator: https://www.yamllint.com/
r
image.png
the error occured in "cors:"
what is the problem there, @Vishal Sharma
?
v
Have you used tabs? Can you copy and share you config here?
endpoint
should have colon 
:
r
ahh
Ok, let me fix it and restart again
Yes. It works
image.png
But still same error [book@stage stage.bookretreats.com]$ php htdocs/signoz.php Endpoint: http://194.140.199.96:4318/v1/traces Service Name: BookRetreats-PHP-Server Insecure: true Starting OTLP example[2023-09-14T132441.005846+00:00] php-otlp-example.ERROR: Export failure {"exception":"[object] (RuntimeException(code: 0): Export retry limit exceeded at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/open-telemetry/sdk/Common/Export/Http/PsrTransport.php:114)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Psr18NetworkException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"http://194.140.199.96:4318/v1/traces\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Psr18Client.php:130)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Exception\\TransportException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"http://194.140.199.96:4318/v1/traces\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Chunk/ErrorChunk.php:65)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Exception\\TransportException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"http://194.140.199.96:4318/v1/traces\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Response/CurlResponse.php:324)","source":"OpenTelemetry\\Contrib\\Otlp\\SpanExporter"} [] [2023-09-14T132441.217725+00:00] php-otlp-example.ERROR: Export failure {"exception":"[object] (RuntimeException(code: 0): Export retry limit exceeded at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/open-telemetry/sdk/Common/Export/Http/PsrTransport.php:114)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Psr18NetworkException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"http://194.140.199.96:4318/v1/traces\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Psr18Client.php:130)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Exception\\TransportException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"http://194.140.199.96:4318/v1/traces\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Chunk/ErrorChunk.php:65)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Exception\\TransportException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"http://194.140.199.96:4318/v1/traces\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Response/CurlResponse.php:324)","source":"OpenTelemetry\\Contrib\\Otlp\\SpanExporter"} [] [2023-09-14T132441.513919+00:00] php-otlp-example.ERROR: Export failure {"exception":"[object] (RuntimeException(code: 0): Export retry limit exceeded at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/open-telemetry/sdk/Common/Export/Http/PsrTransport.php:114)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Psr18NetworkException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"http://194.140.199.96:4318/v1/traces\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Psr18Client.php:130)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Exception\\TransportException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"http://194.140.199.96:4318/v1/traces\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Chunk/ErrorChunk.php:65)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Exception\\TransportException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"http://194.140.199.96:4318/v1/traces\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Response/CurlResponse.php:324)","source":"OpenTelemetry\\Contrib\\Otlp\\SpanExporter"} [] [2023-09-14T132441.796673+00:00] php-otlp-example.ERROR: Export failure {"exception":"[object] (RuntimeException(code: 0): Export retry limit exceeded at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/open-telemetry/sdk/Common/Export/Http/PsrTransport.php:114)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Psr18NetworkException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"http://194.140.199.96:4318/v1/traces\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Psr18Client.php:130)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Exception\\TransportException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"http://194.140.199.96:4318/v1/traces\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Chunk/ErrorChunk.php:65)\n[previous exception] [object] (Symfony\\Component\\HttpClient\\Exception\\TransportException(code: 0): Failed to connect to 194.140.199.96 port 4318: Connection refused for \"http://194.140.199.96:4318/v1/traces\". at /var/www/html/bookretreats.com/stage.bookretreats.com/vendor/symfony/http-client/Response/CurlResponse.php:324)","source":"OpenTelemetry\\Contrib\\Otlp\\SpanExporter"} [] OTLP complete!
from my php server
v
Only explanation I have is that your machine’s port is not open
r
thanks, so I tried it. what is this error?
v
It's unable to connect to your server
r
then what should I do?
v
Expose the ports of your machine correctly
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