Vaadin 25: ClassCastException (jackson.databind.node.NullNode cannot be cast to class elemental.json.JsonValue) #51
Description
Describe the bug
java.lang.ClassCastException: class tools.jackson.databind.node.NullNode cannot be cast to class elemental.json.JsonValue (tools.jackson.databind.node.NullNode and elemental.json.JsonValue are in unnamed module of loader org.springframework.boot.loader.launch.LaunchedClassLoader @568db2f2)
at com.vaadin.flow.component.internal.PendingJavaScriptInvocation.complete(PendingJavaScriptInvocation.java:95)
at com.vaadin.flow.server.communication.UidlWriter.lambda$createReturnValueChannel$d36cbe8b$1(UidlWriter.java:322)
at com.vaadin.flow.internal.nodefeature.ReturnChannelMap.lambda$registerChannel$2ebc86bb$1(ReturnChannelMap.java:124)
at com.vaadin.flow.internal.nodefeature.ReturnChannelMap$ChannelImpl.invoke(ReturnChannelMap.java:74)
at com.vaadin.flow.server.communication.ReturnChannelHandler.handleNode(ReturnChannelHandler.java:77)
at com.vaadin.flow.server.communication.rpc.AbstractRpcInvocationHandler.handle(AbstractRpcInvocationHandler.java:80)
at com.vaadin.flow.server.communication.ServerRpcHandler.handleInvocationData(ServerRpcHandler.java:571)
at com.vaadin.flow.server.communication.ServerRpcHandler.lambda$handleInvocations$6(ServerRpcHandler.java:552)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
at com.vaadin.flow.server.communication.ServerRpcHandler.handleInvocations(ServerRpcHandler.java:552)
at com.vaadin.flow.server.communication.ServerRpcHandler.handleRpc(ServerRpcHandler.java:376)
at com.vaadin.flow.server.communication.UidlRequestHandler.synchronizedHandleRequest(UidlRequestHandler.java:135)
at com.vaadin.flow.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:63)
at com.vaadin.flow.server.VaadinService.handleRequest(VaadinService.java:1874)
at com.vaadin.flow.server.VaadinServlet.service(VaadinServlet.java:398)
at com.vaadin.flow.spring.SpringServlet.service(SpringServlet.java:106)
at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:710)
Expected behavior
No response
Minimal reproducible example
http://addonsv25-staging.flowingcode.com/
Add-on Version
4.0.0-SNAPSHOT
Vaadin Version
25.0.0.beta2
Additional information
No response