Server internal exceptions thrown during EJB calls should not cause ClassNotFoundException on a wildfly client (when using jboss-marshalling-river) --------------------------------------------------------------------------------------------------------------------------------------------------- Key: WFLY-11600 URL: https://issues.jboss.org/browse/WFLY-11600 Project: WildFly Issue Type: Bug Components: EJB Affects Versions: 10.1.0.Final Reporter: Vladimir Kravchenko Assignee: Jason Greene Priority: Major The org.jboss.invocation.CannotProceedException either must not be propagated to a client or it must be included in one of wildfly-ejb-client-bom transient dependencies. Otherwise the client fails to unmarshal it: {noformat} javax.ejb.EJBException: 'java.lang.ClassNotFoundException: org.jboss.invocation.CannotProceedException' Stacktrace : at org.jboss.ejb.client.EJBInvocationHandler.doInvoke(EJBInvocationHandler.java:238) at org.jboss.ejb.client.EJBInvocationHandler.doInvoke(EJBInvocationHandler.java:183) at org.jboss.ejb.client.EJBInvocationHandler.invoke(EJBInvocationHandler.java:146) at com.sun.proxy.$Proxy48.waitForTypedMessagingProcess(Unknown Source) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) ... 43 more Trigger list : 1. java.lang.ClassNotFoundException: 'org.jboss.invocation.CannotProceedException' Stacktrace : at java.lang.ClassLoader.findClass(ClassLoader.java:530) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ... at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:348) at org.jboss.marshalling.AbstractClassResolver.loadClass(AbstractClassResolver.java:131) at org.jboss.marshalling.AbstractClassResolver.resolveClass(AbstractClassResolver.java:112) at org.jboss.marshalling.river.RiverUnmarshaller.doReadClassDescriptor(RiverUnmarshaller.java:948) at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1255) at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:276) at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:224) at org.jboss.marshalling.river.RiverUnmarshaller.readFields(RiverUnmarshaller.java:1745) at org.jboss.marshalling.river.RiverObjectInputStream.defaultReadObject(RiverObjectInputStream.java:81) at java.lang.Throwable.readObject(Throwable.java:914) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.jboss.marshalling.reflect.SerializableClass.callReadObject(SerializableClass.java:309) at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1637) at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1606) at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1606) at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1606) at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1285) at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:276) at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:209) at org.jboss.marshalling.AbstractObjectInput.readObject(AbstractObjectInput.java:41) at org.jboss.ejb.client.remoting.InvocationExceptionResponseHandler$MethodInvocationExceptionResultProducer.getResult(InvocationExceptionResponseHandler.java:79) at org.jboss.ejb.client.EJBClientInvocationContext.getResult(EJBClientInvocationContext.java:276) at org.jboss.ejb.client.EJBObjectInterceptor.handleInvocationResult(EJBObjectInterceptor.java:64) at org.jboss.ejb.client.EJBClientInvocationContext.getResult(EJBClientInvocationContext.java:290) at org.jboss.ejb.client.EJBHomeInterceptor.handleInvocationResult(EJBHomeInterceptor.java:88) at org.jboss.ejb.client.EJBClientInvocationContext.getResult(EJBClientInvocationContext.java:290) at org.jboss.ejb.client.TransactionInterceptor.handleInvocationResult(TransactionInterceptor.java:46) at org.jboss.ejb.client.EJBClientInvocationContext.getResult(EJBClientInvocationContext.java:290) at org.jboss.ejb.client.ReceiverInterceptor.handleInvocationResult(ReceiverInterceptor.java:142) at org.jboss.ejb.client.EJBClientInvocationContext.getResult(EJBClientInvocationContext.java:265) at org.jboss.ejb.client.EJBClientInvocationContext.awaitResponse(EJBClientInvocationContext.java:453) at org.jboss.ejb.client.EJBInvocationHandler.doInvoke(EJBInvocationHandler.java:204) ... 50 more {noformat} I got this exception with WildFly 10.1.0.