Github user hanm commented on a diff in the pull request:
https://github.com/apache/zookeeper/pull/211#discussion_r110082136
--- Diff: src/java/main/org/apache/zookeeper/server/NettyServerCnxn.java ---
@@ -87,6 +87,12 @@ public void close() {
LOG.debug("close called for sessionid:0x"
+ Long.toHexString(sessionId));
}
+
+ // ZOOKEEPER-2743:
+ // Always unregister connection upon close to prevent
+ // connection bean leak under certain race conditions.
+ factory.unregisterConnection(this);
--- End diff --
Also it is guaranteed that the close call will be called at least once
after the cnx bean is registered (e.g. when sever shutdown, the factor will
iterate every cnx and close it..).
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