[infinispan-issues] [JBoss JIRA] (ISPN-1465) Unsupported protocol version when handling RPC messages

Unsupported protocol version when handling RPC messages ------------------------------------------------------- Key: ISPN-1465 URL: https://issues.jboss.org/browse/ISPN-1465 Project: Infinispan Issue Type: Bug Components: RPC Affects Versions: 5.1.0.BETA1 Reporter: Paul Ferraro Assignee: Paul Ferraro Priority: Blocker Fix For: 5.1.0.BETA2 When testing the latest BETA1 as well as the latest SNAPSHOT (in anticipation of BETA2), I see the following exceptions in the AS7 testsuite: WARN: Problems unmarshalling remote command from byte buffer java.io.IOException: Unsupported protocol version 172 at org.jboss.marshalling.river.RiverUnmarshaller.start(RiverUnmarshaller.java:1184) at org.infinispan.marshall.jboss.AbstractJBossMarshaller.startObjectInput(AbstractJBossMarshaller.java:113) at org.infinispan.marshall.VersionAwareMarshaller.startObjectInput(VersionAwareMarshaller.java:156) at org.infinispan.marshall.VersionAwareMarshaller.objectFromByteBuffer(VersionAwareMarshaller.java:112) at org.infinispan.marshall.AbstractDelegatingMarshaller.objectFromByteBuffer(AbstractDelegatingMarshaller.java:80) at org.infinispan.remoting.transport.jgroups.MarshallerAdapter.objectFromBuffer(MarshallerAdapter.java:50) at org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher.handle(CommandAwareRpcDispatcher.java:139) at org.jgroups.blocks.RequestCorrelator.handleRequest(RequestCorrelator.java:446) at org.jgroups.blocks.RequestCorrelator.receiveMessage(RequestCorrelator.java:353) at org.jgroups.blocks.RequestCorrelator.receive(RequestCorrelator.java:229) at org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.up(MessageDispatcher.java:556) at org.jgroups.JChannel.up(JChannel.java:718) at org.jgroups.stack.ProtocolStack.up(ProtocolStack.java:1026) at org.jgroups.protocols.pbcast.FLUSH.up(FLUSH.java:481) at org.jgroups.protocols.pbcast.STATE_TRANSFER.up(STATE_TRANSFER.java:178) at org.jgroups.protocols.FRAG2.up(FRAG2.java:181) at org.jgroups.protocols.FlowControl.up(FlowControl.java:400) at org.jgroups.protocols.FlowControl.up(FlowControl.java:418) at org.jgroups.protocols.pbcast.GMS.up(GMS.java:865) at org.jgroups.protocols.pbcast.STABLE.up(STABLE.java:244) at org.jgroups.protocols.UNICAST.up(UNICAST.java:297) at org.jgroups.protocols.pbcast.NAKACK.handleMessage(NAKACK.java:719) at org.jgroups.protocols.pbcast.NAKACK.up(NAKACK.java:547) at org.jgroups.protocols.BARRIER.up(BARRIER.java:126) at org.jgroups.protocols.FD_ALL.up(FD_ALL.java:171) at org.jgroups.protocols.FD_SOCK.up(FD_SOCK.java:273) at org.jgroups.protocols.MERGE2.up(MERGE2.java:208) at org.jgroups.protocols.Discovery.up(Discovery.java:335) at org.jgroups.protocols.TP.passMessageUp(TP.java:1091) at org.jgroups.protocols.TP$IncomingPacket.handleMyMessage(TP.java:1646) at org.jgroups.protocols.TP$IncomingPacket.run(TP.java:1623) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:679) Looking at the CommandAwareRpcDispatcher.handle(Message) (line 139): cmd = (ReplicableCommand) req_marshaller.objectFromBuffer(req.getBuffer(), req.getOffset(), req.getLength()); However, Message.getBuffer() already returns a copy of the message buffer that takes into account the offset and length. So, it would seem the above code will return a subset of the desired buffer if the offset > 0. Either this code should operate on the raw buffer (i.e. req.getRawBuffer()), or pass 0 as the offset to objectFromBuffer(...).