GitHub user lecuyalex closed a discussion: plc4j - ads : Why Connection
terminated by remote when load-symbol-and-data-type-tables is true
I recently been asked to update from version 0.9.1 to 0.12.0. In version 0.9.1,
I could connect to the PLC without any issues. However, since updating to
version 0.12.0, the connection is consistently terminated by the remote. Now,
it only connects when load-symbol-and-data-type-tables is set to false.
```
var connectionString =
"ads:tcp://10.10.11.77?source-ams-net-id=172.31.16.1.1.1&source-ams-port=39&target-ams-net-id=5.62.206.200.1.1&target-ams-port=851";
var driverManager = PlcDriverManager.getDefault();
driverManager.getConnectionManager().getConnection(connectionString);
System.out.println("Connected!");
```
```
Exception in thread "main"
org.apache.plc4x.java.api.exceptions.PlcConnectionException:
java.util.concurrent.ExecutionException:
org.apache.plc4x.java.api.exceptions.PlcIoException: Connection terminated by
remote
at
org.apache.plc4x.java.spi.connection.DefaultNettyPlcConnection.connect(DefaultNettyPlcConnection.java:154)
at
org.apache.plc4x.java.DefaultPlcDriverManager.getConnection(DefaultPlcDriverManager.java:80)
at com.epsilia.Beckhoff.execute(Beckhoff.java:14)
at com.epsilia.Main.main(Main.java:6)
Caused by: java.util.concurrent.ExecutionException:
org.apache.plc4x.java.api.exceptions.PlcIoException: Connection terminated by
remote
at
java.base/java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:396)
at
java.base/java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2073)
at
org.apache.plc4x.java.spi.connection.DefaultNettyPlcConnection.connect(DefaultNettyPlcConnection.java:145)
... 3 more
Caused by: org.apache.plc4x.java.api.exceptions.PlcIoException: Connection
terminated by remote
at
org.apache.plc4x.java.spi.connection.DefaultNettyPlcConnection.lambda$1(DefaultNettyPlcConnection.java:137)
at
io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
at
io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
at
io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
at
io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
at
io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
at
io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
at
io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
at
io.netty.channel.DefaultChannelPromise.trySuccess(DefaultChannelPromise.java:84)
at
io.netty.channel.AbstractChannel$CloseFuture.setClosed(AbstractChannel.java:1164)
at
io.netty.channel.AbstractChannel$AbstractUnsafe.doClose0(AbstractChannel.java:755)
at
io.netty.channel.AbstractChannel$AbstractUnsafe.close(AbstractChannel.java:731)
at
io.netty.channel.AbstractChannel$AbstractUnsafe.close(AbstractChannel.java:620)
at
io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.closeOnRead(AbstractNioByteChannel.java:105)
at
io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:174)
at
io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:788)
at
io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:724)
at
io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:650)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562)
at
io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
at
io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.base/java.lang.Thread.run(Thread.java:842)
```
GitHub link: https://github.com/apache/plc4x/discussions/1687
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