cptjackwu opened a new issue, #1174:
URL: https://github.com/apache/plc4x/issues/1174
### What happened?
An exception occurs when I call the following method，
PlcReadResponse response = plcReadRequest.execute().get(10,
TimeUnit.SECONDS);
java.util.concurrent.ExecutionException:
org.apache.plc4x.java.api.exceptions.PlcRuntimeException: Disconnected
at
java.base/java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:395)
at
java.base/java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2022)
at com.wh.subscription.S7Client.execute(S7Client.java:392)
at com.wh.subscription.S7Client.readValues(S7Client.java:328)
at
com.wh.subscription.PlcSubscription.sendRequest(PlcSubscription.java:83)
at
com.wh.subscription.PlcSubscription$WatchdogTimer.lambda$kick$0(PlcSubscription.java:126)
at
com.wh.subscription.PlcSubscription$WatchdogTimer.lambda$runnableNullThrowWrapper$1(PlcSubscription.java:134)
at
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
at
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
at
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:834)
I want to use S7HDefaultNettyPlcConnection isConnected equal to false and
then reconnect. This method doesn’t work. What should I do?
if (this.plcConnection == null || !this.plcConnection.isConnected()) {
this.plcConnection =
PlcDriverManager.getDefault().getConnectionManager().getConnection(url);
}
### Version
v0.11.0
### Programming Languages
- [X] plc4j
- [ ] plc4go
- [ ] plc4c
- [ ] plc4net
### Protocols
- [ ] AB-Ethernet
- [ ] ADS /AMS
- [ ] BACnet/IP
- [ ] CANopen
- [ ] DeltaV
- [ ] DF1
- [ ] EtherNet/IP
- [ ] Firmata
- [ ] KNXnet/IP
- [ ] Modbus
- [ ] OPC-UA
- [X] S7
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