diff --git a/pulsar-proxy/src/main/java/org/apache/pulsar/proxy/server/DirectProxyHandler.java b/pulsar-proxy/src/main/java/org/apache/pulsar/proxy/server/DirectProxyHandler.java
index 37fc3d5a8a298..44a236a8e31c6 100644
--- a/pulsar-proxy/src/main/java/org/apache/pulsar/proxy/server/DirectProxyHandler.java
+++ b/pulsar-proxy/src/main/java/org/apache/pulsar/proxy/server/DirectProxyHandler.java
@@ -148,6 +148,8 @@ protected void initChannel(SocketChannel ch) {
         f.addListener(future -> {
             if (!future.isSuccess()) {
                 // Close the connection if the connection attempt has failed.
+                log.warn("[{}] Establishing connection to {} ({}) failed. Closing inbound channel.", inboundChannel,
+                        targetBrokerAddress, targetBrokerUrl, future.cause());
                 inboundChannel.close();
                 return;
             }