From dcbd94f73ae8ca7a17734306113462a4c94152c7 Mon Sep 17 00:00:00 2001
From: pihme <pihme@users.noreply.github.com>
Date: Thu, 16 Jun 2022 09:51:26 +0200
Subject: [PATCH] chore: use ephemeral free port

---
 .../zeebe/process/test/engine/EngineFactory.java   | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/engine/src/main/java/io/camunda/zeebe/process/test/engine/EngineFactory.java b/engine/src/main/java/io/camunda/zeebe/process/test/engine/EngineFactory.java
index 83d9feb38..65ecb5d46 100644
--- a/engine/src/main/java/io/camunda/zeebe/process/test/engine/EngineFactory.java
+++ b/engine/src/main/java/io/camunda/zeebe/process/test/engine/EngineFactory.java
@@ -26,12 +26,24 @@
 import io.camunda.zeebe.util.sched.clock.ControlledActorClock;
 import io.grpc.Server;
 import io.grpc.ServerBuilder;
+import java.io.IOException;
+import java.net.ServerSocket;
 import java.util.concurrent.CompletableFuture;
 
 public class EngineFactory {
 
   public static ZeebeTestEngine create() {
-    return create(26499);
+    return create(findFreePort());
+  }
+
+  private static int findFreePort() {
+    final int freePort;
+    try (final var serverSocket = new ServerSocket(0)) {
+      freePort = serverSocket.getLocalPort();
+    } catch (final IOException e) {
+      throw new RuntimeException(e);
+    }
+    return freePort;
   }
 
   public static ZeebeTestEngine create(final int port) {