EJB over HTTP fails with Arrays in Request ------------------------------------------ Key: WFLY-9788 URL: https://issues.jboss.org/browse/WFLY-9788 Project: WildFly Issue Type: Bug Components: EJB Affects Versions: 11.0.0.Final Reporter: Heiko Lettmann Attachments: Test.zip I stumbled over the issue WFLY-9573. Then I updated to wildfly-http-client-1.0.9.Final which made a few invocations work. There I discovered another issue. I attached a modified Quickstart version to demonstrate it! Exception is on the client side: Exception in thread "main" javax.ejb.EJBException: java.io.IOException: java.lang.ClassCastException: java.lang.Class cannot be cast to java.lang.String at org.jboss.as.ejb3.remote.AssociationImpl.receiveInvocationRequest(AssociationImpl.java:128) at org.wildfly.httpclient.ejb.HttpInvocationHandler.lambda$handleInternal$0(HttpInvocationHandler.java:130) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.io.IOException: java.lang.ClassCastException: java.lang.Class cannot be cast to java.lang.String at org.wildfly.httpclient.ejb.HttpInvocationHandler$1.getRequestContent(HttpInvocationHandler.java:204) at org.jboss.as.ejb3.remote.AssociationImpl.receiveInvocationRequest(AssociationImpl.java:126) ... 4 more Caused by: java.lang.ClassCastException: java.lang.Class cannot be cast to java.lang.String at org.wildfly.httpclient.ejb.HttpInvocationHandler$1.getRequestContent(HttpInvocationHandler.java:178) ... 5 more