try this start your docker witch --network=hostcoreservices then http4:hostcoreservices:8080/coreservices/rest/v1/services
dont miss to add the hostcoreservices in you DNS Cliquer pour ajouter une signature ( gwsig:addsig) >>> I'm running camel inside a Docker container and trying to use the HTTP4 component to post a request to a service running in a different container (both containers are managed through Docker compose). Essentially I'm trying to do a post to a route like this: http4:coreservices:8080/coreservices/rest/v1/services where coreservices is the name of the other container. This fails with a java.net.UnknownHostException (see below). But the other container is definitely accessible from this container as if I open a shell in it I can the curl the 'coreservices' host. Any idea what's going wrong here? Thanks Tim 05-Jun-2018 17:09:34.667 SEVERE [localhost-startStop-1] org.apache.camel.util.CamelLogger.log Failed delivery for (MessageId: ID-4b81ce1e6383-46459-1528218572076-1-3 on ExchangeId: ID-4b81ce1e6383-46459-1528218572076-1-2). Exhausted after delivery attempt: 1 caught: java.net.UnknownHostException: coreservices: Name or service not known Message History --------------------------------------------------------------------------------------------------------------------------------------- RouteId ProcessorId Processor Elapsed (ms) [route6 ] [route6 ] [direct://post-service-descriptors ] [ 283] [route6 ] [log1 ] [log ] [ 5] [route6 ] [process1 ] [Processor@0xa8e9d5 ] [ 173] [route6 ] [to1 ] [http4:coreservices:8080/coreservices/rest/v1/services ] [ 95] Stacktrace --------------------------------------------------------------------------------------------------------------------------------------- java.net.UnknownHostException: coreservices: Name or service not known at java.net.Inet4AddressImpl.lookupAllHostAddr(Native Method) at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:928) at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1323) at java.net.InetAddress.getAllByName0(InetAddress.java:1276) at java.net.InetAddress.getAllByName(InetAddress.java:1192) at java.net.InetAddress.getAllByName(InetAddress.java:1126) at org.apache.http.impl.conn.SystemDefaultDnsResolver.resolve(SystemDefaultDnsResolver.java:45) at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:111) at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:353) at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:380) at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236) at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:184) at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:88) at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110) at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:55) at org.apache.camel.component.http4.HttpProducer.executeMethod(HttpProducer.java:306) at org.apache.camel.component.http4.HttpProducer.process(HttpProducer.java:178) at org.apache.camel.util.AsyncProcessorConverterHelper$ProcessorToAsyncProcessorBridge.process(AsyncProcessorConverterHelper.java:61) at org.apache.camel.processor.SendProcessor.process(SendProcessor.java:145) at org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:77) at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:542) at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:197) at org.apache.camel.processor.Pipeline.process(Pipeline.java:120) at org.apache.camel.processor.Pipeline.process(Pipeline.java:83) at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:197) at org.apache.camel.component.direct.DirectProducer.process(DirectProducer.java:62) at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:197) at org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:97) at org.apache.camel.impl.ProducerCache$1.doInProducer(ProducerCache.java:529) at org.apache.camel.impl.ProducerCache$1.doInProducer(ProducerCache.java:497) at org.apache.camel.impl.ProducerCache.doInProducer(ProducerCache.java:365) at org.apache.camel.impl.ProducerCache.sendExchange(ProducerCache.java:497) at org.apache.camel.impl.ProducerCache.send(ProducerCache.java:242) at org.apache.camel.impl.DefaultProducerTemplate.send(DefaultProducerTemplate.java:148) at org.apache.camel.impl.DefaultProducerTemplate.sendBody(DefaultProducerTemplate.java:156) at org.apache.camel.impl.DefaultProducerTemplate.sendBody(DefaultProducerTemplate.java:173) at org.apache.camel.impl.DefaultProducerTemplate.requestBody(DefaultProducerTemplate.java:305) >>> I'm running camel inside a Docker container and trying to use the HTTP4 component to post a request to a service running in a different container (both containers are managed through Docker compose). Essentially I'm trying to do a post to a route like this: http4:coreservices:8080/coreservices/rest/v1/services where coreservices is the name of the other container. This fails with a java.net.UnknownHostException (see below). But the other container is definitely accessible from this container as if I open a shell in it I can the curl the 'coreservices' host. Any idea what's going wrong here? Thanks Tim 05-Jun-2018 17:09:34.667 SEVERE [localhost-startStop-1] org.apache.camel.util.CamelLogger.log Failed delivery for (MessageId: ID-4b81ce1e6383-46459-1528218572076-1-3 on ExchangeId: ID-4b81ce1e6383-46459-1528218572076-1-2). Exhausted after delivery attempt: 1 caught: java.net.UnknownHostException: coreservices: Name or service not known Message History --------------------------------------------------------------------------------------------------------------------------------------- RouteId ProcessorId Processor Elapsed (ms) [route6 ] [route6 ] [direct://post-service-descriptors ] [ 283] [route6 ] [log1 ] [log ] [ 5] [route6 ] [process1 ] [Processor@0xa8e9d5 ] [ 173] [route6 ] [to1 ] [http4:coreservices:8080/coreservices/rest/v1/services ] [ 95] Stacktrace --------------------------------------------------------------------------------------------------------------------------------------- java.net.UnknownHostException: coreservices: Name or service not known at java.net.Inet4AddressImpl.lookupAllHostAddr(Native Method) at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:928) at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1323) at java.net.InetAddress.getAllByName0(InetAddress.java:1276) at java.net.InetAddress.getAllByName(InetAddress.java:1192) at java.net.InetAddress.getAllByName(InetAddress.java:1126) at org.apache.http.impl.conn.SystemDefaultDnsResolver.resolve(SystemDefaultDnsResolver.java:45) at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:111) at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:353) at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:380) at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236) at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:184) at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:88) at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110) at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:55) at org.apache.camel.component.http4.HttpProducer.executeMethod(HttpProducer.java:306) at org.apache.camel.component.http4.HttpProducer.process(HttpProducer.java:178) at org.apache.camel.util.AsyncProcessorConverterHelper$ProcessorToAsyncProcessorBridge.process(AsyncProcessorConverterHelper.java:61) at org.apache.camel.processor.SendProcessor.process(SendProcessor.java:145) at org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:77) at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:542) at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:197) at org.apache.camel.processor.Pipeline.process(Pipeline.java:120) at org.apache.camel.processor.Pipeline.process(Pipeline.java:83) at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:197) at org.apache.camel.component.direct.DirectProducer.process(DirectProducer.java:62) at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:197) at org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:97) at org.apache.camel.impl.ProducerCache$1.doInProducer(ProducerCache.java:529) at org.apache.camel.impl.ProducerCache$1.doInProducer(ProducerCache.java:497) at org.apache.camel.impl.ProducerCache.doInProducer(ProducerCache.java:365) at org.apache.camel.impl.ProducerCache.sendExchange(ProducerCache.java:497) at org.apache.camel.impl.ProducerCache.send(ProducerCache.java:242) at org.apache.camel.impl.DefaultProducerTemplate.send(DefaultProducerTemplate.java:148) at org.apache.camel.impl.DefaultProducerTemplate.sendBody(DefaultProducerTemplate.java:156) at org.apache.camel.impl.DefaultProducerTemplate.sendBody(DefaultProducerTemplate.java:173) at org.apache.camel.impl.DefaultProducerTemplate.requestBody(DefaultProducerTemplate.java:305) "Le présent courriel peut contenir des renseignements confidentiels et ne s'adresse qu'au destinataire dont le nom apparaît ci-dessus. Si ce courriel vous est parvenu par mégarde, veuillez le supprimer et nous en aviser aussitôt."