Details
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Bug
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Resolution: Done
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Major
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4.1.1, 4.0.20
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None
Description
The list of routes is changed without proper synchronization. One example, I got an empty list when in Infinispan when try to select the route to use:
Caused by: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0 at java.util.ArrayList.rangeCheck(ArrayList.java:657) at java.util.ArrayList.get(ArrayList.java:433) at org.infinispan.remoting.transport.jgroups.SiteMasterPickerImpl.pickRoute(SiteMasterPickerImpl.java:26) at org.jgroups.protocols.relay.Relayer.getRoute(Relayer.java:126) at org.jgroups.protocols.relay.RELAY2.route(RELAY2.java:566) at org.jgroups.protocols.relay.RELAY2.down(RELAY2.java:425) at org.jgroups.stack.Protocol.down(Protocol.java:317) at org.jgroups.fork.ForkProtocol.down(ForkProtocol.java:42) at org.jgroups.fork.ForkProtocolStack.down(ForkProtocolStack.java:62) at org.jgroups.fork.ForkChannel.send(ForkChannel.java:222) at org.jgroups.fork.ForkChannel.send(ForkChannel.java:21) at org.infinispan.remoting.transport.jgroups.JGroupsTransport.send(JGroupsTransport.java:1035)
One possible solution is to do a copy of the list before changing it in the view change method invocation (for the bridge)