advanced open telemetry example

[Silhim]

Hey guys,

is anyone else suffering under a connection error at the advanced 01 example?

Looks like this at my VM:

provider_1    | [otel.javaagent 2024-02-28 15:20:06:235 +0000] [OkHttp http://localhost:4318/...] ERROR io.opentelemetry.exporter.internal.http.HttpExporter - Failed to export logs. The request could not be executed. Full error message: Failed to connect to localhost/127.0.0.1:4318
provider_1    | java.net.ConnectException: Failed to connect to localhost/127.0.0.1:4318
provider_1    |         at okhttp3.internal.connection.RealConnection.connectSocket(RealConnection.kt:297)
provider_1    |         at okhttp3.internal.connection.RealConnection.connect(RealConnection.kt:207)
provider_1    |         at okhttp3.internal.connection.ExchangeFinder.findConnection(ExchangeFinder.kt:226)
provider_1    |         at okhttp3.internal.connection.ExchangeFinder.findHealthyConnection(ExchangeFinder.kt:106)
provider_1    |         at okhttp3.internal.connection.ExchangeFinder.find(ExchangeFinder.kt:74)
provider_1    |         at okhttp3.internal.connection.RealCall.initExchange$okhttp(RealCall.kt:255)
provider_1    |         at okhttp3.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.kt:32)
provider_1    |         at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
provider_1    |         at okhttp3.internal.cache.CacheInterceptor.intercept(CacheInterceptor.kt:95)
provider_1    |         at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
provider_1    |         at okhttp3.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.kt:83)
provider_1    |         at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
provider_1    |         at okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.kt:76)
provider_1    |         at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
provider_1    |         at okhttp3.internal.connection.RealCall.getResponseWithInterceptorChain$okhttp(RealCall.kt:201)
provider_1    |         at okhttp3.internal.connection.RealCall$AsyncCall.run(RealCall.kt:517)
provider_1    |         at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
provider_1    |         at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
provider_1    |         at java.base/java.lang.Thread.run(Thread.java:833)
provider_1    | Caused by: java.net.ConnectException: Connection refused
provider_1    |         at java.base/sun.nio.ch.Net.pollConnect(Native Method)
provider_1    |         at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:672)
provider_1    |         at java.base/sun.nio.ch.NioSocketImpl.timedFinishConnect(NioSocketImpl.java:542)
provider_1    |         at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:597)
provider_1    |         at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:327)
provider_1    |         at java.base/java.net.Socket.connect(Socket.java:633)
provider_1    |         at okhttp3.internal.platform.Platform.connectSocket(Platform.kt:128)
provider_1    |         at okhttp3.internal.connection.RealConnection.connectSocket(RealConnection.kt:295)
provider_1    |         ... 18 more
consumer_1    | [otel.javaagent 2024-02-28 15:20:06:376 +0000] [OkHttp http://localhost:4318/...] ERROR io.opentelemetry.exporter.internal.http.HttpExporter - Failed to export logs. The request could not be executed. Full error message: Failed to connect to localhost/127.0.0.1:4318
consumer_1    | java.net.ConnectException: Failed to connect to localhost/127.0.0.1:4318
consumer_1    |         at okhttp3.internal.connection.RealConnection.connectSocket(RealConnection.kt:297)
consumer_1    |         at okhttp3.internal.connection.RealConnection.connect(RealConnection.kt:207)
consumer_1    |         at okhttp3.internal.connection.ExchangeFinder.findConnection(ExchangeFinder.kt:226)
consumer_1    |         at okhttp3.internal.connection.ExchangeFinder.findHealthyConnection(ExchangeFinder.kt:106)
consumer_1    |         at okhttp3.internal.connection.ExchangeFinder.find(ExchangeFinder.kt:74)
consumer_1    |         at okhttp3.internal.connection.RealCall.initExchange$okhttp(RealCall.kt:255)
consumer_1    |         at okhttp3.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.kt:32)
consumer_1    |         at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
consumer_1    |         at okhttp3.internal.cache.CacheInterceptor.intercept(CacheInterceptor.kt:95)
consumer_1    |         at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
consumer_1    |         at okhttp3.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.kt:83)
consumer_1    |         at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
consumer_1    |         at okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.kt:76)
consumer_1    |         at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
consumer_1    |         at okhttp3.internal.connection.RealCall.getResponseWithInterceptorChain$okhttp(RealCall.kt:201)
consumer_1    |         at okhttp3.internal.connection.RealCall$AsyncCall.run(RealCall.kt:517)
consumer_1    |         at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
consumer_1    |         at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
consumer_1    |         at java.base/java.lang.Thread.run(Thread.java:833)
consumer_1    | Caused by: java.net.ConnectException: Connection refused
consumer_1    |         at java.base/sun.nio.ch.Net.pollConnect(Native Method)
consumer_1    |         at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:672)
consumer_1    |         at java.base/sun.nio.ch.NioSocketImpl.timedFinishConnect(NioSocketImpl.java:542)
consumer_1    |         at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:597)
consumer_1    |         at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:327)
consumer_1    |         at java.base/java.net.Socket.connect(Socket.java:633)
consumer_1    |         at okhttp3.internal.platform.Platform.connectSocket(Platform.kt:128)
consumer_1    |         at okhttp3.internal.connection.RealConnection.connectSocket(RealConnection.kt:295)
consumer_1    |         ... 18 more

but this might also just be a problem with the network and ports of my VM.

Best regards

[ghost]

I also have this problem...Has anybody solved it yet?