From c8c4d7d2e88f7fbd9640c21c76b71482d97b477d Mon Sep 17 00:00:00 2001
From: tangyoupeng <tommy@juicedata.io>
Date: Thu, 29 Jun 2023 11:01:13 +0800
Subject: [PATCH] add static field for gc when sdk runs in multiple classloader

---
 sdk/java/src/main/java/io/juicefs/utils/BgTaskUtil.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sdk/java/src/main/java/io/juicefs/utils/BgTaskUtil.java b/sdk/java/src/main/java/io/juicefs/utils/BgTaskUtil.java
index 6430fff5cd86..654033ba2aff 100644
--- a/sdk/java/src/main/java/io/juicefs/utils/BgTaskUtil.java
+++ b/sdk/java/src/main/java/io/juicefs/utils/BgTaskUtil.java
@@ -27,6 +27,8 @@
 
 public class BgTaskUtil {
   private static final Logger LOG = LoggerFactory.getLogger(BgTaskUtil.class);
+
+  private static BgTaskUtil staticFieldForGc = new BgTaskUtil();
   private static final ScheduledExecutorService threadPool = Executors.newScheduledThreadPool(2, r -> {
     Thread thread = new Thread(r, "Background Task");
     thread.setDaemon(true);