[dubbo] branch 3.0 updated: Add volatile modifier to some variables (#8443)

[albumenj]

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albumenj pushed a commit to branch 3.0
in repository https://gitbox.apache.org/repos/asf/dubbo.git


The following commit(s) were added to refs/heads/3.0 by this push:
     new 3d49cc1  Add volatile modifier to some variables (#8443)
3d49cc1 is described below

commit 3d49cc1d22c3e789f6876790b63a2eac925d52bc
Author: 灼华 <43363120+burnin...@users.noreply.github.com>
AuthorDate: Sun Aug 8 22:22:13 2021 +0800

    Add volatile modifier to some variables (#8443)
---
 .../apache/dubbo/rpc/cluster/router/mesh/route/MeshAppRuleListener.java | 2 +-
 .../org/apache/dubbo/rpc/cluster/router/mesh/route/MeshRuleRouter.java  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git 
a/dubbo-cluster/src/main/java/org/apache/dubbo/rpc/cluster/router/mesh/route/MeshAppRuleListener.java
 
b/dubbo-cluster/src/main/java/org/apache/dubbo/rpc/cluster/router/mesh/route/MeshAppRuleListener.java
index 5fa7618..387ec4c 100644
--- 
a/dubbo-cluster/src/main/java/org/apache/dubbo/rpc/cluster/router/mesh/route/MeshAppRuleListener.java
+++ 
b/dubbo-cluster/src/main/java/org/apache/dubbo/rpc/cluster/router/mesh/route/MeshAppRuleListener.java
@@ -44,7 +44,7 @@ public class MeshAppRuleListener implements 
ConfigurationListener {
 
     private final String appName;
 
-    private VsDestinationGroup vsDestinationGroupHolder;
+    private volatile VsDestinationGroup vsDestinationGroupHolder;
 
     public MeshAppRuleListener(String appName) {
         this.appName = appName;
diff --git 
a/dubbo-cluster/src/main/java/org/apache/dubbo/rpc/cluster/router/mesh/route/MeshRuleRouter.java
 
b/dubbo-cluster/src/main/java/org/apache/dubbo/rpc/cluster/router/mesh/route/MeshRuleRouter.java
index 2395d9d..d916385 100644
--- 
a/dubbo-cluster/src/main/java/org/apache/dubbo/rpc/cluster/router/mesh/route/MeshRuleRouter.java
+++ 
b/dubbo-cluster/src/main/java/org/apache/dubbo/rpc/cluster/router/mesh/route/MeshRuleRouter.java
@@ -59,7 +59,7 @@ public class MeshRuleRouter implements Router, 
VsDestinationGroupRuleListener {
 
     private volatile Map<String, List<Invoker<?>>> subsetMap;
 
-    private String remoteAppName;
+    private volatile String remoteAppName;
 
     public MeshRuleRouter(URL url) {
         this.url = url;