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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 10:14:22 +0000
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  • Thread-topic: Unable to connect to opc-ua server

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

 

15:31:55.235 [milo-shared-thread-pool-3] DEBUG io.netty.buffer.ByteBufUtil - -Dio.netty.maxThreadLocalCharBufferSize: 16384

15:31:57.439 [milo-shared-thread-pool-3] DEBUG org.eclipse.milo.opcua.stack.client.ChannelFsm - [1] S(Connecting)            x E(ConnectFailure)        = S'(ReconnectWait)      

15:31:57.439 [milo-shared-thread-pool-2] DEBUG org.eclipse.milo.opcua.stack.client.ChannelFsm - [0] S(Connecting)            x E(ConnectFailure)        = S'(ReconnectWait)      

15:31:57.443 [milo-shared-thread-pool-1] DEBUG org.eclipse.milo.opcua.stack.client.ChannelFsm - [1] S(ReconnectWait)         x E(Disconnect)            = S'(NotConnected)       

15:31:57.445 [milo-shared-thread-pool-4] DEBUG org.eclipse.milo.opcua.stack.client.ChannelFsm - [0] S(ReconnectWait)         x E(Disconnect)            = S'(NotConnected)       

15:31:57.451 [milo-shared-thread-pool-0] DEBUG org.eclipse.milo.opcua.stack.client.ChannelFsm - [2] S(NotConnected)          x E(Connect)               = S'(Connecting)         

15:31:57.451 [milo-shared-thread-pool-1] DEBUG org.eclipse.milo.opcua.stack.client.ChannelFsm - [3] S(NotConnected)          x E(Connect)               = S'(Connecting)         

15:31:59.461 [milo-shared-thread-pool-0] DEBUG org.eclipse.milo.opcua.stack.client.ChannelFsm - [2] S(Connecting)            x E(ConnectFailure)        = S'(ReconnectWait)      

15:31:59.465 [milo-shared-thread-pool-1] DEBUG org.eclipse.milo.opcua.stack.client.ChannelFsm - [2] S(ReconnectWait)         x E(Disconnect)            = S'(NotConnected)       

15:31:59.466 [milo-shared-thread-pool-0] DEBUG org.eclipse.milo.opcua.stack.client.ChannelFsm - [3] S(Connecting)            x E(ConnectFailure)        = S'(ReconnectWait)      

15:31:59.469 [milo-shared-thread-pool-3] DEBUG org.eclipse.milo.opcua.stack.client.ChannelFsm - [3] S(ReconnectWait)         x E(Disconnect)            = S'(NotConnected)       

15:31:59.479 [main] ERROR com.thermofisher.cellbio.ebr.instrument.connect.opc_ua_client.ClientRunner - Error getting client: io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: no further information: /localhost:48010

org.eclipse.milo.opcua.stack.core.UaException: io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: no further information: /localhost:48010

       at org.eclipse.milo.opcua.stack.client.transport.uasc.ClientChannelFsm$ClientChannelActions.lambda$connect$0(ClientChannelFsm.java:129)

       at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:578)

       at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:571)

       at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:550)

       at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:491)

       at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:616)

       at io.netty.util.concurrent.DefaultPromise.setFailure0(DefaultPromise.java:609)

       at io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:117)

       at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.fulfillConnectPromise(AbstractNioChannel.java:321)

       at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:337)

       at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:707)

       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)

Caused by: io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: no further information: /localhost1:48010

Caused by: java.net.ConnectException: Connection refused: no further information

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

       at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:715)

       at io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:330)

       at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334)

       at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:707)

       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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