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[milo-dev] Unable to connect to opc-ua server
  • From: "RB, Pramod Kumar" <pramodkumar.rb@xxxxxxxxxxxxxxxx>
  • Date: Thu, 15 Apr 2021 10:24:49 +0000
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  • Thread-topic: [milo-dev] Unable to connect to opc-ua server

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Hi Team,

 

I am facing some issue while connecting to OPC-UA server from OPC-UA client written using Eclipse milo library. Sometimes I will get the error as mentioned below and communication will not establish until I restart my pc and then launch opc-ua server software again and also whenever I see this error even other opc-ua clients like prosys browser & UaExpert tools are also unable to connect to OPC-UA server software until I restart the machine.

 

This is blocker for my work, please help me to fix this issue.

 

Regards,
Pramod

 

15:53:36.613 [milo-netty-event-loop-1] DEBUG org.eclipse.milo.opcua.stack.client.transport.uasc.UascClientAcknowledgeHandler - Sent Hello message on channel=[id: 0x53c60c97, L:/192.168.56.1:3161 - R:/192.168.56.1:48010].

15:53:36.613 [milo-netty-event-loop-0] DEBUG org.eclipse.milo.opcua.stack.client.transport.uasc.UascClientAcknowledgeHandler - Sent Hello message on channel=[id: 0x04675ea5, L:/192.168.56.1:3159 - R:/192.168.56.1:48010].

15:53:36.643 [milo-netty-event-loop-0] WARN io.netty.channel.DefaultChannelPipeline - An exceptionCaught() event was fired, and it reached at the tail of the pipeline. It usually means the last handler in the pipeline did not handle the exception.

java.io.IOException: An established connection was aborted by the software in your host machine

       at sun.nio.ch.SocketDispatcher.read0(Native Method)

       at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:43)

       at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223)

       at sun.nio.ch.IOUtil.read(IOUtil.java:192)

       at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:378)

       at io.netty.buffer.PooledByteBuf.setBytes(PooledByteBuf.java:253)

       at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1134)

       at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:350)

       at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:151)

       at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:719)

       at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:655)

       at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:581)

       at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)

       at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)

       at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)

       at java.lang.Thread.run(Thread.java:748)



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