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-rw-r--r--qpid/cpp/src/qpid/ha/HaBroker.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/ha/HaBroker.cpp b/qpid/cpp/src/qpid/ha/HaBroker.cpp
index 6cd78cab20..86b3ec64a5 100644
--- a/qpid/cpp/src/qpid/ha/HaBroker.cpp
+++ b/qpid/cpp/src/qpid/ha/HaBroker.cpp
@@ -213,6 +213,7 @@ void HaBroker::setBrokerUrl(const Url& url, Mutex::ScopedLock& l) {
}
std::vector<Url> HaBroker::getKnownBrokers() const {
+ Mutex::ScopedLock l(lock);
return knownBrokers;
}