Description of problem: Backup brokers in a HA cluster show errors and dump core. Version-Release number of selected component (if applicable): 0.18-mrg branch: e0bd483 trunk: f367a03 How reproducible: 100% Steps to Reproduce: 1. Start a 3 node HA cluster. 2. run: qpid-cpp-benchmark --repeat 10 -b 20.0.10.33 --summarize -q 6 -s 3 -r 3 -m 1000 --connection-options {tcp-nodelay:false,reconnect:true,heartbeat:1} Actual results: Backup brokers core dump. Their logs show errors like : 2012-10-12 11:16:56 [HA] error Backup queue benchmark-0: Execution error: not-found: Exchange not found: qpid.replicator-benchmark-0 Expected results: No crash or errors on backups.