Ports required to run Vert.x clustered with Hazelcast on docker-compose

[Rodolfo de Paula]

Hello

I have been working on the next release of my side project https://github.com/crabzilla/crabzilla

Specifically, I'm trying to dockerize this example: https://github.com/crabzilla/crabzilla#how-to-run-the-example It runs and even supports HA.

But when running with docker-compose, everything starts without problem and Hazelcast recognize all nodes but I noticed this error after sending a command to the crabzilla-example1-ha-web: 

web_1               | 2018-01-23 01:54:24,933 117224 [vert.x-eventloop-thread-2] INFO  i.g.c.v.e.s.EntityCommandHandlerService - command=:

web_1               | {

web_1               |   "@class" : "io.github.crabzilla.example1.customer.CreateCustomer",

web_1               |   "commandId" : "b128066b-64f1-457d-8e35-3f019175468c",

web_1               |   "targetId" : {

web_1               |     "@class" : "io.github.crabzilla.example1.customer.CustomerId",

web_1               |     "id" : "6dec4ef2-1882-4e60-9292-ef4a0cba9b06"

web_1               |   },

web_1               |   "name" : "6dec4ef2-1882-4e60-9292-ef4a0cba9b06"

web_1               | }

web_1               | 

web_1               | Jan 23, 2018 1:54:25 AM io.vertx.core.eventbus.impl.clustered.ConnectionHolder

web_1               | WARNING: Connecting to server localhost:33227 failed

web_1               | io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: localhost/127.0.0.1:33227

web_1               | at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)

web_1               | at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)

web_1               | at io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:353)

web_1               | at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:340)

web_1               | at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:633)

web_1               | at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:580)

web_1               | at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:497)

web_1               | at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:459)

web_1               | at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858)

web_1               | at java.lang.Thread.run(Thread.java:745)

web_1               | Caused by: java.net.ConnectException: Connection refused

web_1               | ... 10 more

This is happening just before the web service attempt to send a request/response to an event bus endpoint conssumed by the handler service. 

 

Is there anything more I should configure? The docker-compose file is on docker-compose branch here: https://github.com/crabzilla/crabzilla/blob/docker-compose/crabzilla-example1/crabzilla-example1-services/crabzilla-example1-ha/docker-compose.yml 

Thanks,

Rodolfo

[Thomas SEGISMONT]

How do you start Vert.x? There's a hostname detection mechanism in the CLI and the Launcher class.

If you have your own main class, make sure to set the ClusterHost option correctly.

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[Rodolfo de Paula]

Thanks, Thomas!

It's working now :)

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