Here after the detail of the issue i got => any idea ? 1/ Context of the issue : - K8S cluster OK on localhost:2480 , installed on local Docker Desktop - version 25.1.1 - Studio OK with commands working fine on the DB i created with name "pocdb" - client side : java 17 console client with RemoreDatabase connection strategie - log : default.svc.cluster.local:2424) successfully connected 2 / Server logs : 2025-02-05 16:05:33.698 INFO [HAServer] <arcadedb-0> NEW CLUSTER CONFIGURATION +----------+--------------------------------------------------+-------+-------+---------+-------+-----------+-------+ |SERVER |HOST:PORT |ROLE |STATUS |JOINED ON|LEFT ON|THROUGHPUT |LATENCY| +----------+--------------------------------------------------+-------+-------+---------+-------+-----------+-------+ |arcadedb-0|arcadedb-0.arcadedb.default.svc.cluster.local:2424|Leader |ONLINE |16:05:32 | | | | |arcadedb-1|arcadedb-1.arcadedb.default.svc.cluster.local:2424|Replica|JOINING| | |111b (0b/s)| | +----------+--------------------------------------------------+-------+-------+---------+-------+-----------+-------+ 2025-02-05 16:05:33.728 INFO [Leader2ReplicaNetworkExecutor$4] <arcadedb-0> Replica server 'arcadedb-1' is ONLINE 2025-02-05 16:05:33.730 INFO [HAServer] <arcadedb-0> NEW CLUSTER CONFIGURATION +----------+--------------------------------------------------+-------+------+---------+-------+-----------------+-------+ |SERVER |HOST:PORT |ROLE |STATUS|JOINED ON|LEFT ON|THROUGHPUT |LATENCY| +----------+--------------------------------------------------+-------+------+---------+-------+-----------------+-------+ |arcadedb-0|arcadedb-0.arcadedb.default.svc.cluster.local:2424|Leader |ONLINE|16:05:32 | | | | |arcadedb-1|arcadedb-1.arcadedb.default.svc.cluster.local:2424|Replica|ONLINE|16:05:33 | |111b (108.40KB/s)| | +----------+--------------------------------------------------+-------+------+---------+-------+-----------------+-------+ 2025-02-05 16:05:33.731 INFO [HAServer] <arcadedb-0> Change election status from LEADER_WAITING_FOR_QUORUM to DONE 2025-02-05 16:05:34.755 INFO [Leader2ReplicaNetworkExecutor] <arcadedb-0> Remote Replica server 'arcadedb-2' (arcadedb-2.arcadedb.default.svc.cluster.local:2424) successfully connected 3/ here after the code snipped of my java client** package com.hypervolume; import java.util.ArrayList; import java.util.List; import com.arcadedb.remote.RemoteDatabase; import com.arcadedb.remote.RemoteServer; /** * Hello world! * */ public class App { public static void main( String[] args ) { System.out.println( "Starting HypervolumeDB POC" ); RemoteServer server = new RemoteServer("localhost", 2480, "root", "selfcockpit"); var leader = server.getLeaderAddress(); // =======> OK if (!server.exists("pocdb")) // ======> OK server.create("pocdb"); ====> Not var replicates = server.getReplicaAddresses(); //====> OK List<String> databases= new ArrayList<>(); databases.add("pocdb"); String[] roles = {"reader", "writer"}; try { server.createUser("selfcockpit", "selfcockpit",databases); // ====> OK the first Time } catch (Exception e) { e.printStackTrace(); } RemoteDatabase db = new RemoteDatabase("localhost", 2480, "pocdb", "selfcockpit", "selfcockpit"); // =====> OK var classp = db.getClass(); //=====> OK var dbn = db.getName(); // ====> OK List<String> dbs = server.databases(); // =====> KO with com.arcadedb.remote.RemoteException: Error on executing remote operation server, no server available db.isOpen(); if (!db.isOpen()) { System.out.println( "!!!!!!!!!!! db pocdb not opened !!!!!!!!!!" ); } else { System.out.println( "db universe opened " ); // =====> OK } String schema = """ create vertex type Customer if not exists; create property Customer.name if not exists string; create property Customer.surname if not exists string; create index if not exists on Customer (name, surname) unique; """; db.command("sqlscript", schema); // =====> KO with no server available exeption db.close(); } } 4/ The stack trace logs Starting HypervolumeDB POC Exception in thread "main" com.arcadedb.remote.RemoteException: Error on executing remote operation server, no server available at com.arcadedb.remote.RemoteHttpComponent.httpCommand(RemoteHttpComponent.java:196) at com.arcadedb.remote.RemoteServer.serverCommand(RemoteServer.java:131) at com.arcadedb.remote.RemoteServer.databases(RemoteServer.java:48) at com.hypervolume.App.main(App.java:53) Caused by: java.net.UnknownHostException: arcadedb-0.arcadedb.default.svc.cluster.local at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:572) at java.base/java.net.Socket.connect(Socket.java:633) at java.base/sun.net.NetworkClient.doConnect(NetworkClient.java:178) at java.base/sun.net.www.http.HttpClient.openServer(HttpClient.java:533) at java.base/sun.net.www.http.HttpClient.openServer(HttpClient.java:638) at java.base/sun.net.www.http.HttpClient.<init>(HttpClient.java:281) at java.base/sun.net.www.http.HttpClient.New(HttpClient.java:386) at java.base/sun.net.www.http.HttpClient.New(HttpClient.java:408) at java.base/sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1324) at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1257) at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1143) at java.base/sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:1072) at java.base/sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1466) at java.base/sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1437) at com.arcadedb.remote.RemoteHttpComponent.setRequestPayload(RemoteHttpComponent.java:381) at com.arcadedb.remote.RemoteHttpComponent.httpCommand(RemoteHttpComponent.java:165) ... 3 more