[jboss-jira] [JBoss JIRA] (WFLY-8481) ClassCastException upon trying to invoke asynchronous method in bean running in EAP7.1 from 7.0 legacy EJB client

ClassCastException upon trying to invoke asynchronous method in bean running in EAP7.1 from 7.0 legacy EJB client ----------------------------------------------------------------------------------------------------------------- Key: WFLY-8481 URL: https://issues.jboss.org/browse/WFLY-8481 Project: WildFly Issue Type: Bug Components: EJB Reporter: Stuart Douglas Assignee: Stuart Douglas Priority: Critical Upon asynchronous call from 7.0 client to bean deployed on 7.1 server, the following exception is produced: {code}Mar 17, 2017 7:25:36 AM org.jboss.as.quickstarts.ejb.asynchronous.client.AsynchronousClient fireAndForget INFO: The server log should contain a message at (about) Fri Mar 17 07:25:51 UTC 2017, indicating that the call to the asynchronous bean completed. Exception in thread "main" java.lang.ClassCastException: java.lang.String cannot be cast to java.util.concurrent.Future at com.sun.proxy.$Proxy0.longerRunning(Unknown Source) at org.jboss.as.quickstarts.ejb.asynchronous.client.AsynchronousClient.getResultAsync(AsynchronousClient.java:88) at org.jboss.as.quickstarts.ejb.asynchronous.client.AsynchronousClient.main(AsynchronousClient.java:159){code}