getting java.net.SocketException: Invalid argument:inside docker container

Question

I have a java program that runs inside a docker container. This program tries to connect to a Ipv4 socket. I get the following Invalid argument exception

Caused by: java.net.SocketException: Invalid argument: /135.250.15.104:6524
    at sun.nio.ch.Net.connect0(Native Method)
    at sun.nio.ch.Net.connect(Net.java:454)
    at sun.nio.ch.Net.connect(Net.java:446)
    at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
    at io.netty.channel.socket.nio.NioSocketChannel.doConnect(NioSocketChannel.java:209)
    at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.connect(AbstractNioChannel.java:199)
    at io.netty.channel.DefaultChannelPipeline$HeadContext.connect(DefaultChannelPipeline.java:1089)
    at io.netty.channel.AbstractChannelHandlerContext.invokeConnect(AbstractChannelHandlerContext.java:543)
    at io.netty.channel.AbstractChannelHandlerContext.connect(AbstractChannelHandlerContext.java:528)
    at io.netty.handler.ssl.SslHandler.connect(SslHandler.java:415)
    at io.netty.channel.AbstractChannelHandlerContext.invokeConnect(AbstractChannelHandlerContext.java:543)
    at io.netty.channel.AbstractChannelHandlerContext.connect(AbstractChannelHandlerContext.java:528)
    at io.netty.channel.ChannelOutboundHandlerAdapter.connect(ChannelOutboundHandlerAdapter.java:47)
    at io.netty.channel.AbstractChannelHandlerContext.invokeConnect(AbstractChannelHandlerContext.java:543)
    at io.netty.channel.AbstractChannelHandlerContext.connect(AbstractChannelHandlerContext.java:528)
    at io.netty.channel.DefaultChannelPipeline.connect(DefaultChannelPipeline.java:914)
    at io.netty.channel.AbstractChannel.connect(AbstractChannel.java:208)
    at io.netty.bootstrap.Bootstrap$2.run(Bootstrap.java:167)
    at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:357)
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357)
    at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)
    at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137)

Now I have tried setting -Djava.net.preferIPv4Stack=true JVM option, but no luck.

I am using open-jdk 8 and from java:openjdk-8u72-jre is the entry in my DockerFile . Note that the same IP address is ping-able from the docker container.

Community · Accepted Answer · 2017-05-23 11:58:41Z

1

The problem was solved when I used --net=host see docker reference in my docker run command and network_mode : "host" in my docker-compose file see compose reference.

Also see a related stackoverflow post. The problem seems to get exposed only when the socket connection uses a per-defined local socket address instead of letting the NIO choose a free local address.

But the exception stack trace says "Invalid argument" for the remote address which kind of is weird and that is why it took time for me to figure out the problem.

edited May 23, 2017 at 11:58

CommunityBot

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answered May 18, 2016 at 16:04

Keshava

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