plc4x
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Subscribe() tries to cast S7Tag to S7SubscriptionTag and fails [Bug]:
What happened?
Use the hello-world-plc4x-subscribe example and try to subscribe to a value change.
The subscription leads to following exception:
Exception in thread "Thread-0" java.lang.ClassCastException: class org.apache.plc4x.java.s7.readwrite.tag.S7Tag cannot be cast to class org.apache.plc4x.java.s7.readwrite.tag.S7SubscriptionTag (org.apache.plc4x.java.s7.readwrite.tag.S7Tag and org.apache.plc4x.java.s7.readwrite.tag.S7SubscriptionTag are in unnamed module of loader 'app')
at org.apache.plc4x.java.s7.readwrite.protocol.S7ProtocolLogic.lambda$23(S7ProtocolLogic.java:407)
at java.base/java.lang.Thread.run(Thread.java:829)
Version
v0.12.0
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