From 0fecc5fda56733b60a99b530895ceb62c516ac54 Mon Sep 17 00:00:00 2001
From: Rafael Bey <24432403+rafaelbey@users.noreply.github.com>
Date: Wed, 13 Mar 2024 20:47:00 -0400
Subject: [PATCH] use port zero to allow OS to determine best free port to use
 (#2698)

---
 .../plan/execution/stores/relational/H2LocalServer.java    | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/legend-engine-xts-relationalStore/legend-engine-xt-relationalStore-execution/legend-engine-xt-relationalStore-executionPlan-connection/src/main/java/org/finos/legend/engine/plan/execution/stores/relational/H2LocalServer.java b/legend-engine-xts-relationalStore/legend-engine-xt-relationalStore-execution/legend-engine-xt-relationalStore-executionPlan-connection/src/main/java/org/finos/legend/engine/plan/execution/stores/relational/H2LocalServer.java
index f3ad63d4fde..808e6500ff9 100644
--- a/legend-engine-xts-relationalStore/legend-engine-xt-relationalStore-execution/legend-engine-xt-relationalStore-executionPlan-connection/src/main/java/org/finos/legend/engine/plan/execution/stores/relational/H2LocalServer.java
+++ b/legend-engine-xts-relationalStore/legend-engine-xt-relationalStore-execution/legend-engine-xt-relationalStore-executionPlan-connection/src/main/java/org/finos/legend/engine/plan/execution/stores/relational/H2LocalServer.java
@@ -20,18 +20,17 @@
 
 public class H2LocalServer
 {
-    private static final H2LocalServer INSTANCE = new H2LocalServer(DynamicPortGenerator.generatePort());
+    private static final H2LocalServer INSTANCE = new H2LocalServer();
     private final int port;
 
-    private H2LocalServer(int port)
+    private H2LocalServer()
     {
-        this.port = port;
         try
         {
             // We can create only one instance of the server as the databases are anyway shared in the process (VM)
             // The important part is to have an empty name in 'this.buildDataSource("127.0.0.1", localH2Port, "", null)'
             // It ensure the database creation is 'private' to the connection.
-            AlloyH2Server.startServer(port);
+            this.port = AlloyH2Server.startServer(0).getPort();
         }
         catch (SQLException e)
         {