Subscribe() tries to cast S7Tag to S7SubscriptionTag and fails [Bug]:

[mrwhy-orig]

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