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The following commit(s) were added to refs/heads/master by this push:
     new 352147bff42 [fix][broker] Revert "[improve][broker] Enhance advertised 
address resolution with fallback to localhost (#25238)" (#25523)
352147bff42 is described below

commit 352147bff422a753fd67cf0420ad1b6e7f837e0a
Author: Zixuan Liu <[email protected]>
AuthorDate: Wed Apr 15 22:49:32 2026 +0800

    [fix][broker] Revert "[improve][broker] Enhance advertised address 
resolution with fallback to localhost (#25238)" (#25523)
---
 .../src/main/java/org/apache/pulsar/PulsarStandaloneStarter.java | 9 ++-------
 .../pulsar/tests/integration/containers/StandaloneContainer.java | 2 +-
 .../org/apache/pulsar/tests/integration/PulsarContainer.java     | 2 +-
 .../org/apache/pulsar/tests/integration/PulsarContainer.java     | 2 +-
 .../org/apache/pulsar/tests/integration/PulsarContainer.java     | 2 +-
 5 files changed, 6 insertions(+), 11 deletions(-)

diff --git 
a/pulsar-broker/src/main/java/org/apache/pulsar/PulsarStandaloneStarter.java 
b/pulsar-broker/src/main/java/org/apache/pulsar/PulsarStandaloneStarter.java
index d31f8a724df..3bfc2256d8e 100644
--- a/pulsar-broker/src/main/java/org/apache/pulsar/PulsarStandaloneStarter.java
+++ b/pulsar-broker/src/main/java/org/apache/pulsar/PulsarStandaloneStarter.java
@@ -29,7 +29,6 @@ import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.logging.log4j.LogManager;
 import org.apache.pulsar.broker.ServiceConfiguration;
-import org.apache.pulsar.broker.ServiceConfigurationUtils;
 import org.apache.pulsar.common.configuration.PulsarConfigurationLoader;
 import org.apache.pulsar.docs.tools.CmdGenerateDocs;
 import picocli.CommandLine;
@@ -92,12 +91,8 @@ public class PulsarStandaloneStarter extends 
PulsarStandalone {
             // Use advertised address from command line
             config.setAdvertisedAddress(this.getAdvertisedAddress());
         } else if (isBlank(config.getAdvertisedAddress()) && 
isBlank(config.getAdvertisedListeners())) {
-            try {
-                
config.setAdvertisedAddress(ServiceConfigurationUtils.unsafeLocalhostResolve());
-            } catch (Exception e) {
-                log.warn("Failed to resolve FQDN, using 'localhost' as 
advertised address", e);
-                config.setAdvertisedAddress("localhost");
-            }
+            // Use advertised address as local hostname
+            config.setAdvertisedAddress("localhost");
         } else {
             // Use advertised or advertisedListeners address from config file
         }
diff --git 
a/tests/integration/src/test/java/org/apache/pulsar/tests/integration/containers/StandaloneContainer.java
 
b/tests/integration/src/test/java/org/apache/pulsar/tests/integration/containers/StandaloneContainer.java
index 3bee66adaec..7e0b347640d 100644
--- 
a/tests/integration/src/test/java/org/apache/pulsar/tests/integration/containers/StandaloneContainer.java
+++ 
b/tests/integration/src/test/java/org/apache/pulsar/tests/integration/containers/StandaloneContainer.java
@@ -52,7 +52,7 @@ public class StandaloneContainer extends 
PulsarContainer<StandaloneContainer> {
     @Override
     protected void configure() {
         super.configure();
-        setCommand("standalone --advertised-address localhost");
+        setCommand("standalone");
         addEnv("PULSAR_MEM", "-Xms128M -Xmx1g -XX:MaxDirectMemorySize=1g");
     }
 
diff --git 
a/tests/pulsar-client-admin-shade-test/src/test/java/org/apache/pulsar/tests/integration/PulsarContainer.java
 
b/tests/pulsar-client-admin-shade-test/src/test/java/org/apache/pulsar/tests/integration/PulsarContainer.java
index c945fc369a9..365b4cca815 100644
--- 
a/tests/pulsar-client-admin-shade-test/src/test/java/org/apache/pulsar/tests/integration/PulsarContainer.java
+++ 
b/tests/pulsar-client-admin-shade-test/src/test/java/org/apache/pulsar/tests/integration/PulsarContainer.java
@@ -37,7 +37,7 @@ public class PulsarContainer extends 
GenericContainer<PulsarContainer> {
     public PulsarContainer(final String pulsarVersion) {
         super(pulsarVersion);
         withExposedPorts(BROKER_HTTP_PORT, PULSAR_PORT);
-        withCommand("/pulsar/bin/pulsar standalone --advertised-address 
localhost");
+        withCommand("/pulsar/bin/pulsar standalone");
         waitingFor(new HttpWaitStrategy()
                 .forPort(BROKER_HTTP_PORT)
                 .forStatusCode(200)
diff --git 
a/tests/pulsar-client-all-shade-test/src/test/java/org/apache/pulsar/tests/integration/PulsarContainer.java
 
b/tests/pulsar-client-all-shade-test/src/test/java/org/apache/pulsar/tests/integration/PulsarContainer.java
index c945fc369a9..365b4cca815 100644
--- 
a/tests/pulsar-client-all-shade-test/src/test/java/org/apache/pulsar/tests/integration/PulsarContainer.java
+++ 
b/tests/pulsar-client-all-shade-test/src/test/java/org/apache/pulsar/tests/integration/PulsarContainer.java
@@ -37,7 +37,7 @@ public class PulsarContainer extends 
GenericContainer<PulsarContainer> {
     public PulsarContainer(final String pulsarVersion) {
         super(pulsarVersion);
         withExposedPorts(BROKER_HTTP_PORT, PULSAR_PORT);
-        withCommand("/pulsar/bin/pulsar standalone --advertised-address 
localhost");
+        withCommand("/pulsar/bin/pulsar standalone");
         waitingFor(new HttpWaitStrategy()
                 .forPort(BROKER_HTTP_PORT)
                 .forStatusCode(200)
diff --git 
a/tests/pulsar-client-shade-test/src/test/java/org/apache/pulsar/tests/integration/PulsarContainer.java
 
b/tests/pulsar-client-shade-test/src/test/java/org/apache/pulsar/tests/integration/PulsarContainer.java
index c945fc369a9..365b4cca815 100644
--- 
a/tests/pulsar-client-shade-test/src/test/java/org/apache/pulsar/tests/integration/PulsarContainer.java
+++ 
b/tests/pulsar-client-shade-test/src/test/java/org/apache/pulsar/tests/integration/PulsarContainer.java
@@ -37,7 +37,7 @@ public class PulsarContainer extends 
GenericContainer<PulsarContainer> {
     public PulsarContainer(final String pulsarVersion) {
         super(pulsarVersion);
         withExposedPorts(BROKER_HTTP_PORT, PULSAR_PORT);
-        withCommand("/pulsar/bin/pulsar standalone --advertised-address 
localhost");
+        withCommand("/pulsar/bin/pulsar standalone");
         waitingFor(new HttpWaitStrategy()
                 .forPort(BROKER_HTTP_PORT)
                 .forStatusCode(200)

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