use localhost instead of 127.0.0.1

Author: turboFei

.github/workflows/master.yml

@@ -39,7 +39,7 @@ jobs:
           - '-Pspark-3.1 -Dhadoop.binary.version=3.2'
           - '-Pspark-3.2-snapshot -pl :kyuubi-spark-sql-engine,:kyuubi-common,:kyuubi-ha,:kyuubi-zookeeper -Dmaven.plugin.scalatest.exclude.tags=org.apache.kyuubi.tags.DataLakeTest'
     env:
-      SPARK_LOCAL_IP: 127.0.0.1
+      SPARK_LOCAL_IP: localhost
     steps:
       - uses: actions/checkout@v2
       - name: Setup JDK 1.8

kyuubi-main/src/test/scala/org/apache/kyuubi/operation/WithKyuubiServer.scala

@@ -74,5 +74,5 @@ trait WithKyuubiServer extends KyuubiFunSuite {
 
   // TODO: KYUUBI-504: forbid setting FRONTEND_BIND_HOST by connection string in engine side
   protected def getJdbcUrl: String =
-    s"jdbc:hive2://${server.connectionUrl}/;#${KyuubiConf.FRONTEND_BIND_HOST.key}=127.0.0.1"
+    s"jdbc:hive2://${server.connectionUrl}/;#${KyuubiConf.FRONTEND_BIND_HOST.key}=localhost"
 }

pom.xml

@@ -1169,7 +1169,7 @@
                             <java.io.tmpdir>${project.build.directory}/tmp</java.io.tmpdir>
                             <spark.driver.memory>2g</spark.driver.memory>
                             <kyuubi.metrics.json.report.location>${project.build.directory}/metrics</kyuubi.metrics.json.report.location>
-                            <kyuubi.frontend.bind.host>127.0.0.1</kyuubi.frontend.bind.host>
+                            <kyuubi.frontend.bind.host>localhost</kyuubi.frontend.bind.host>
                         </systemProperties>
                         <tagsToExclude>${maven.plugin.scalatest.exclude.tags}</tagsToExclude>
                     </configuration>