[fix][broker] Revert "[improve][broker] Enhance advertised address resolution with fallback to localhost (#25238)" (#25523)

Author: nodece

pulsar-broker/src/main/java/org/apache/pulsar/PulsarStandaloneStarter.java

@@ -29,7 +29,6 @@
 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 PulsarStandaloneStarter(String[] args) throws Exception {
             // 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
         }

tests/integration/src/test/java/org/apache/pulsar/tests/integration/containers/StandaloneContainer.java

@@ -52,7 +52,7 @@ public StandaloneContainer(String clusterName, String pulsarImageName) {
     @Override
     protected void configure() {
         super.configure();
-        setCommand("standalone --advertised-address localhost");
+        setCommand("standalone");
         addEnv("PULSAR_MEM", "-Xms128M -Xmx1g -XX:MaxDirectMemorySize=1g");
     }
 

tests/pulsar-client-admin-shade-test/src/test/java/org/apache/pulsar/tests/integration/PulsarContainer.java

@@ -37,7 +37,7 @@ public 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)

tests/pulsar-client-all-shade-test/src/test/java/org/apache/pulsar/tests/integration/PulsarContainer.java

@@ -37,7 +37,7 @@ public 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)

tests/pulsar-client-shade-test/src/test/java/org/apache/pulsar/tests/integration/PulsarContainer.java

@@ -37,7 +37,7 @@ public 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)