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# support
b

Bhaswanth Gattineni

03/15/2022, 11:46 AM
Hi! I just started integrating SigNoz in our application, backend integration for golang & java based services worked smoothly, but facing issue with angular inteceptor for opentelemetry. It is showing connection reset error. Any direction to solve this would be highly appreciated.
using the following library for integration: https://github.com/jufab/opentelemetry-angular-interceptor
tried with config
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otelcolConfig: {
      url: '<http://ip:4317/v1/traces>'
 }
also tried with http://ip:4317 as well.
p

Pranay

03/15/2022, 11:55 AM
Are you trying to monitor the frontend built in angular @User?
b

Bhaswanth Gattineni

03/15/2022, 11:56 AM
trying to check if end to end traces are possible
we have micro services running in golang and java, there we just gave direct ip:4317, it worked smooth, but here we are giving http://, do we need to enable any specific receiver for this ? @User.
PS: I am a newbie to the APM world.
v

Vishal Sharma

03/15/2022, 1:25 PM
Can you please post exact error? @User
b

Bhaswanth Gattineni

03/15/2022, 1:31 PM
we tried with 4317, which is actually grpc receiver, but mentioned library is using http, so we tried with http receiver runnning in 55681, now we are getting this error.
below one came when we tried with port 4317 grpc receiver.
v

Vishal Sharma

03/15/2022, 1:33 PM
Can you please expand the connection reset error?
b

Bhaswanth Gattineni

03/15/2022, 1:37 PM
here is the stacktrace for the same
stacktrace-signoz
a

Ankit Nayan

03/15/2022, 3:21 PM
@User port 
4317
is for otlp grpc and 
4318
is the new port for otlp http and port 
55681
is the legacy port for otlp http. You would need to use port 
4318
or 
55681
for your cases. But before that, you need to expose the ports at docker-compose file at https://github.com/SigNoz/signoz/blob/develop/deploy/docker/clickhouse-setup/docker-compose.yaml#L60. It should be like
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ports:
      - "4317:4317"       # OTLP GRPC receiver
      - "4318:4318"       # OTLP http receiver
      - "55681:55681"     # OTLP legacy http receiver
after restarting otel-collector, confirm whether ports are correctly exposed by 
sudo docker ps
as in below screenshot. The otel-collector line should be containing 
0.0.0.0:4318->4318/tcp
and 
0.0.0.0:55681->55681/tcp
b

Bhaswanth Gattineni

03/16/2022, 3:49 AM
@User: I have used default configuration for docker swarm. this is the configuration it has
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otel-collector:
    image: signoz/otelcontribcol:0.4.0
    command: ["--config=/etc/otel-collector-config.yaml", "--mem-ballast-size-mib=2000"]
    volumes:
      - ./otel-collector-config.yaml:/etc/otel-collector-config.yaml
    ports:
      - "1777:1777"   # pprof extension
      - "8887:8888"   # Prometheus metrics exposed by the agent
      - "14268:14268"       # Jaeger receiver
      - "55678"       # OpenCensus receiver
      - "55680:55680"       # OTLP HTTP/2.0 legacy port
      - "55681:55681"       # OTLP HTTP/1.0 receiver
      - "4317:4317"       # OTLP GRPC receiver
      - "55679:55679" # zpages extension
      - "13133"       # health_check
apart from that, there is some inconsistency for otel-collector. because without any changes to config, with same compose file, every update of stack gave us a different error
once it was connection reset, then it was not implemented error, after that cors error and finally it worked.
unable find the rootcause for the same.
a

Ankit Nayan

03/16/2022, 5:12 AM
ohk. docker-swarm is working on a very old version. There would be many backend and UI changes. Let us version bump the docker-swarm setup and will notify you again. As, I remember with the otel-collector version in docker-swarm setup 
cors
setting was not available.
b

Bhaswanth Gattineni

03/16/2022, 5:52 AM
@User: here are the versions we got from dockerswarm.
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vm8pgjfk6jxo   signoz_clickhouse                   replicated   1/1        yandex/clickhouse-server:latest   *:8123->8123/tcp, *:9001->9000/tcp
ivef4tb240rc   signoz_frontend                     replicated   1/1        signoz/frontend:0.4.1             *:3301->3301/tcp
dzoksjk6w6w6   signoz_otel-collector               replicated   3/3        signoz/otelcontribcol:0.4.0       *:1777->1777/tcp, *:4317->4317/tcp, *:8887->8888/tcp, *:14268->14268/tcp, *:30000->13133/tcp, *:30001->55678/tcp, *:55679-55681->55679-55681/tcp
d2ksffqec97m   signoz_otel-collector-hostmetrics   replicated   1/1        signoz/otelcontribcol:0.4.0       
b0f9ehe75bdb   signoz_query-service                replicated   1/1        signoz/query-service:0.4.1        *:8080->8080/tcp
can you help us with the latest versions ? we shall update and try it out.
@User manual update of images to latest did not work, for many actions in ui, it is showing “something went wrong”
a

Ankit Nayan

03/16/2022, 6:28 AM
@User It probably would need some more tweaking. You can go through the `docker-compose` v2 yaml line by line and make relevant changes if urgent. @User would be the guy to version bump docker-swarm setup. Should be done by EOD or tomorrow.
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