JeroMQ Docker Issue

Project to reproduce JeroMQ Exception in combination with docker.

Prerequisites

setup java, maven, docker

Steps to reproduce:

1. maven package: mvn clean package
2. build and run docker container: docker-compose -f server.yml up -d
3. run Client main method from IDE or with command line: mvn exec:java -Dexec.mainClass="dockerissue.Client"

This should throw an Exception.

Stacktrace

java.lang.NullPointerException
	at zmq.pipe.Pipe.isDelimiter(Pipe.java:504)
	at zmq.pipe.Pipe.checkRead(Pipe.java:193)
	at zmq.io.SessionBase.readActivated(SessionBase.java:255)
	at zmq.pipe.Pipe.processActivateRead(Pipe.java:312)
	at zmq.ZObject.processCommand(ZObject.java:51)
	at zmq.Command.process(Command.java:75)
	at zmq.io.IOThread.inEvent(IOThread.java:80)
	at zmq.poll.Poller.run(Poller.java:273)
	at java.base/java.lang.Thread.run(Thread.java:830)