Same happens with the plc4j hello-world-plc4x-subscription example from the GitHub repository.
> On 03.03.2021, at 18:00, Andreas Vogler <[email protected]> wrote: > > Hi, > > I have tried to subscribe to an OPC UA node - just took the few lines from > the subscription example - and I get following stack trace. > > I hope someone can tell me what I am doing wrong… :-) > > val builder: PlcSubscriptionRequest.Builder = > plc!!.subscriptionRequestBuilder() > topics.forEach { > builder.addChangeOfStateField(it.payload, it.payload) > } > val request = builder.build() > val response = request.execute() > val subscribeResponse = response.get() ==> the exception is thrown here > > [2021-03-03 17:52:26][INFO ][opc ] Subscribe > nodes [1] > java.util.concurrent.ExecutionException: java.lang.ClassCastException: class > org.apache.plc4x.java.spi.model.DefaultPlcSubscriptionField cannot be cast to > class org.apache.plc4x.java.opcua.protocol.OpcuaField > (org.apache.plc4x.java.spi.model.DefaultPlcSubscriptionField and > org.apache.plc4x.java.opcua.protocol.OpcuaField are in unnamed module of > loader 'app') > at > java.base/java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:395) > at > java.base/java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1999) > at Plc4xVerticle.subscribeNodes(Plc4xVerticle.kt:84) > at Plc4xVerticle.subscribeTopics(Plc4xVerticle.kt:66) > at > at.rocworks.gateway.core.driver.DriverBase.subscribeTopic(DriverBase.kt:170) > at > at.rocworks.gateway.core.driver.DriverBase.subscribeHandler(DriverBase.kt:127) > at > at.rocworks.gateway.core.driver.DriverBase.access$subscribeHandler(DriverBase.kt:24) > at > at.rocworks.gateway.core.driver.DriverBase$connectHandlers$2.handle(DriverBase.kt:105) > at > at.rocworks.gateway.core.driver.DriverBase$connectHandlers$2.handle(DriverBase.kt:24) > at io.vertx.core.impl.EventLoopContext.emit(EventLoopContext.java:52) > at io.vertx.core.impl.DuplicatedContext.emit(DuplicatedContext.java:194) > at > io.vertx.core.eventbus.impl.MessageConsumerImpl.dispatch(MessageConsumerImpl.java:177) > at > io.vertx.core.eventbus.impl.HandlerRegistration$InboundDeliveryContext.next(HandlerRegistration.java:163) > at > io.vertx.core.eventbus.impl.HandlerRegistration$InboundDeliveryContext.dispatch(HandlerRegistration.java:128) > at io.vertx.core.impl.AbstractContext.dispatch(AbstractContext.java:107) > at > io.vertx.core.eventbus.impl.HandlerRegistration.dispatch(HandlerRegistration.java:104) > at > io.vertx.core.eventbus.impl.MessageConsumerImpl.deliver(MessageConsumerImpl.java:183) > at > io.vertx.core.eventbus.impl.MessageConsumerImpl.doReceive(MessageConsumerImpl.java:168) > at > io.vertx.core.eventbus.impl.HandlerRegistration.lambda$receive$0(HandlerRegistration.java:54) > at > io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164) > at > io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:472) > at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:500) > at > io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) > at > io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) > at > io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) > at java.base/java.lang.Thread.run(Thread.java:829) > Caused by: java.lang.ClassCastException: class > org.apache.plc4x.java.spi.model.DefaultPlcSubscriptionField cannot be cast to > class org.apache.plc4x.java.opcua.protocol.OpcuaField > (org.apache.plc4x.java.spi.model.DefaultPlcSubscriptionField and > org.apache.plc4x.java.opcua.protocol.OpcuaField are in unnamed module of > loader 'app') > at > org.apache.plc4x.java.opcua.connection.OpcuaTcpPlcConnection.lambda$subscribe$3(OpcuaTcpPlcConnection.java:388) > at > java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1700) > at > java.base/java.util.concurrent.CompletableFuture$AsyncSupply.exec(CompletableFuture.java:1692) > at > java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290) > at > java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1020) > at > java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1656) > at > java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1594) > at > java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183) > java.util.concurrent.ExecutionException: java.lang.ClassCastException: class > org.apache.plc4x.java.spi.model.DefaultPlcSubscriptionField cannot be cast to > class org.apache.plc4x.java.opcua.protocol.OpcuaField > (org.apache.plc4x.java.spi.model.DefaultPlcSubscriptionField and > org.apache.plc4x.java.opcua.protocol.OpcuaField are in unnamed module of > loader 'app') > at > java.base/java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:395) > at > java.base/java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1999) > at Plc4xVerticle.subscribeNodes(Plc4xVerticle.kt:84) > at Plc4xVerticle.subscribeTopics(Plc4xVerticle.kt:66) > at > at.rocworks.gateway.core.driver.DriverBase.subscribeTopic(DriverBase.kt:170) > at > at.rocworks.gateway.core.driver.DriverBase.subscribeHandler(DriverBase.kt:127) > at > at.rocworks.gateway.core.driver.DriverBase.access$subscribeHandler(DriverBase.kt:24) > at > at.rocworks.gateway.core.driver.DriverBase$connectHandlers$2.handle(DriverBase.kt:105) > at > at.rocworks.gateway.core.driver.DriverBase$connectHandlers$2.handle(DriverBase.kt:24) > at io.vertx.core.impl.EventLoopContext.emit(EventLoopContext.java:52) > at io.vertx.core.impl.DuplicatedContext.emit(DuplicatedContext.java:194) > at > io.vertx.core.eventbus.impl.MessageConsumerImpl.dispatch(MessageConsumerImpl.java:177) > at > io.vertx.core.eventbus.impl.HandlerRegistration$InboundDeliveryContext.next(HandlerRegistration.java:163) > at > io.vertx.core.eventbus.impl.HandlerRegistration$InboundDeliveryContext.dispatch(HandlerRegistration.java:128) > at io.vertx.core.impl.AbstractContext.dispatch(AbstractContext.java:107) > at > io.vertx.core.eventbus.impl.HandlerRegistration.dispatch(HandlerRegistration.java:104) > at > io.vertx.core.eventbus.impl.MessageConsumerImpl.deliver(MessageConsumerImpl.java:183) > at > io.vertx.core.eventbus.impl.MessageConsumerImpl.doReceive(MessageConsumerImpl.java:168) > at > io.vertx.core.eventbus.impl.HandlerRegistration.lambda$receive$0(HandlerRegistration.java:54) > at > io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164) > at > io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:472) > at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:500) > at > io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) > at > io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) > at > io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) > at java.base/java.lang.Thread.run(Thread.java:829) > Caused by: java.lang.ClassCastException: class > org.apache.plc4x.java.spi.model.DefaultPlcSubscriptionField cannot be cast to > class org.apache.plc4x.java.opcua.protocol.OpcuaField > (org.apache.plc4x.java.spi.model.DefaultPlcSubscriptionField and > org.apache.plc4x.java.opcua.protocol.OpcuaField are in unnamed module of > loader 'app') > at > org.apache.plc4x.java.opcua.connection.OpcuaTcpPlcConnection.lambda$subscribe$3(OpcuaTcpPlcConnection.java:388) > at > java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1700) > at > java.base/java.util.concurrent.CompletableFuture$AsyncSupply.exec(CompletableFuture.java:1692) > at > java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290) > at > java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1020) > at > java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1656) > at > java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1594) > at > java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183) > > >
