From 2926102025ed31185d2afa3f2531aa65b258aec9 Mon Sep 17 00:00:00 2001
From: Anqi <anqi.wang@vesoft.com>
Date: Fri, 21 Jan 2022 11:51:16 +0800
Subject: [PATCH] add check for pool init (#431)

---
 .../com/vesoft/nebula/examples/GraphClientExample.java     | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/examples/src/main/java/com/vesoft/nebula/examples/GraphClientExample.java b/examples/src/main/java/com/vesoft/nebula/examples/GraphClientExample.java
index 761994f69..e1bf026ac 100644
--- a/examples/src/main/java/com/vesoft/nebula/examples/GraphClientExample.java
+++ b/examples/src/main/java/com/vesoft/nebula/examples/GraphClientExample.java
@@ -91,7 +91,12 @@ public static void main(String[] args) {
             NebulaPoolConfig nebulaPoolConfig = new NebulaPoolConfig();
             nebulaPoolConfig.setMaxConnSize(100);
             List<HostAddress> addresses = Arrays.asList(new HostAddress("127.0.0.1", 9669));
-            pool.init(addresses, nebulaPoolConfig);
+            Boolean initResult = pool.init(addresses, nebulaPoolConfig);
+            if (!initResult) {
+                log.error("pool init failed.");
+                return;
+            }
+
             session = pool.getSession("root", "nebula", false);
             {
                 String createSchema = "CREATE SPACE IF NOT EXISTS test(vid_type=fixed_string(20)); "