[jboss-jira] [JBoss JIRA] (JGRP-1623) RELAY2: RPC calls fail on remote site members

[Karim AMMOUS (JIRA)]

Karim AMMOUS created JGRP-1623:
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             Summary: RELAY2: RPC calls fail on remote site members
                 Key: JGRP-1623
                 URL: https://issues.jboss.org/browse/JGRP-1623
             Project: JGroups
          Issue Type: Bug
    Affects Versions: 3.2.8
            Reporter: Karim AMMOUS
            Assignee: Bela Ban


Let's
Site LON : a (site master), b
Site NYC : x (site master), y

when b.callRemoteMethods(null, foo method, opts), no method invocation was handled on x and y.

Message that enclose MethodCall reached the remote site members (x and y), but it was interpreted as notification instead of request. Below stack trace of the exception triggered at NYC receivers.

Please find enclosed a unitary test.

{noformat} 
4034 [ERROR] RELAY2: failed delivering message
java.lang.RuntimeException: java.lang.ClassCastException: org.jgroups.blocks.MethodCall cannot be cast to java.lang.Integer
	at org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.up(MessageDispatcher.java:670) ~[classes/:?]
	at org.jgroups.JChannel.up(JChannel.java:719) ~[classes/:?]
	at org.jgroups.stack.ProtocolStack.up(ProtocolStack.java:1008) ~[classes/:?]
	at org.jgroups.protocols.relay.RELAY2.deliver(RELAY2.java:608) [classes/:?]
	at org.jgroups.protocols.relay.RELAY2.up(RELAY2.java:452) [classes/:?]
	at org.jgroups.stack.Protocol.up(Protocol.java:406) [classes/:?]
	at org.jgroups.stack.Protocol.up(Protocol.java:406) [classes/:?]
	at org.jgroups.protocols.UNICAST3.up(UNICAST3.java:419) [classes/:?]
	at org.jgroups.protocols.pbcast.NAKACK2.removeAndPassUp(NAKACK2.java:892) [classes/:?]
	at org.jgroups.protocols.pbcast.NAKACK2.handleMessages(NAKACK2.java:847) [classes/:?]
	at org.jgroups.protocols.pbcast.NAKACK2.up(NAKACK2.java:668) [classes/:?]
	at org.jgroups.stack.Protocol.up(Protocol.java:406) [classes/:?]
	at org.jgroups.protocols.TP.passBatchUp(TP.java:1383) [classes/:?]
	at org.jgroups.protocols.TP$BatchHandler.run(TP.java:1519) [classes/:?]
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) [?:1.6.0_43]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) [?:1.6.0_43]
	at java.lang.Thread.run(Thread.java:662) [?:1.6.0_43]
Caused by: java.lang.ClassCastException: org.jgroups.blocks.MethodCall cannot be cast to java.lang.Integer
	at com.etrali.karim.jgroups.relay.Relay2RpcDispatcherTest$MyReceiver.receive(Relay2RpcDispatcherTest.java:298) ~[bin/:?]
	at org.jgroups.blocks.MessageDispatcher.handleUpEvent(MessageDispatcher.java:552) ~[classes/:?]
	at org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.up(MessageDispatcher.java:667) ~[classes/:?]
	... 16 more
{noformat} 

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