HotRod Rolling Upgrades ClassNotFoundException: org.infinispan.CacheException during recordKnownGlobalKeyset ------------------------------------------------------------------------------------------------------------- Key: ISPN-3685 URL: https://issues.jboss.org/browse/ISPN-3685 Project: Infinispan Issue Type: Bug Components: Server Affects Versions: 6.0.0.CR1 Reporter: Tomas Sykora Assignee: Pedro Ruivo Labels: 620 Fix For: 6.1.0.Final During process of HotRod Rolling Upgrades from cluster of 2 JDG 6.1.GA nodes to 2 JDG 6.2.ER3.2 nodes, we are blocked by this exception while calling recordKnownGlobalKeyset operation on "old" cluster: java.io.IOException: java.lang.ClassNotFoundException: org.infinispan.CacheException at org.jboss.remotingjmx.protocol.v1.ClientConnection$BaseResponseHandler.handle(ClientConnection.java:1775) at org.jboss.remotingjmx.protocol.v1.ClientConnection$MessageReceiver$1.run(ClientConnection.java:455) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:722) Caused by: java.lang.ClassNotFoundException: org.infinispan.CacheException at java.net.URLClassLoader$1.run(URLClassLoader.java:366) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at java.lang.ClassLoader.loadClass(ClassLoader.java:423) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at org.jboss.marshalling.AbstractClassResolver.loadClass(AbstractClassResolver.java:135) at org.jboss.marshalling.AbstractClassResolver.resolveClass(AbstractClassResolver.java:116) at org.jboss.marshalling.river.RiverUnmarshaller.doReadClassDescriptor(RiverUnmarshaller.java:947) at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1259) at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:276) at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:213) at org.jboss.marshalling.river.RiverUnmarshaller.readFields(RiverUnmarshaller.java:1732) at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1648) at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1290) at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:276) at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:213) at org.jboss.marshalling.river.RiverUnmarshaller.readFields(RiverUnmarshaller.java:1732) at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1648) at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1290) at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:276) at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:213) at org.jboss.marshalling.AbstractObjectInput.readObject(AbstractObjectInput.java:72) at org.jboss.remotingjmx.protocol.v1.ClientConnection$BaseResponseHandler.handle(ClientConnection.java:1766) ... 4 more This is also the same for Infinispan Server build from upstream, so it shouldn't be product specific.