[dubbo] branch 3.0 updated: fix optional NPE

[liujun]

This is an automated email from the ASF dual-hosted git repository.

liujun 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 f8f752a  fix optional NPE
f8f752a is described below

commit f8f752a9242fbd5b6fd2ea4174894a4bb47af06c
Author: ken.lj <ken.lj...@gmail.com>
AuthorDate: Mon Nov 23 12:05:57 2020 +0800

    fix optional NPE
---
 .../apache/dubbo/registry/client/migration/MigrationRuleListener.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git 
a/dubbo-registry/dubbo-registry-api/src/main/java/org/apache/dubbo/registry/client/migration/MigrationRuleListener.java
 
b/dubbo-registry/dubbo-registry-api/src/main/java/org/apache/dubbo/registry/client/migration/MigrationRuleListener.java
index 6c00944..da604c9 100644
--- 
a/dubbo-registry/dubbo-registry-api/src/main/java/org/apache/dubbo/registry/client/migration/MigrationRuleListener.java
+++ 
b/dubbo-registry/dubbo-registry-api/src/main/java/org/apache/dubbo/registry/client/migration/MigrationRuleListener.java
@@ -48,7 +48,7 @@ public class MigrationRuleListener implements 
RegistryProtocolListener, Configur
     private volatile String rawRule;
 
     public MigrationRuleListener() {
-        this.configuration = 
ApplicationModel.getEnvironment().getDynamicConfiguration().orElseGet(null);
+        this.configuration = 
ApplicationModel.getEnvironment().getDynamicConfiguration().orElse(null);
 
         logger.info("Listening for migration rules on dataId-" + RULE_KEY + " 
group-" + DUBBO_SERVICEDISCOVERY_MIGRATION);
         configuration.addListener(RULE_KEY, DUBBO_SERVICEDISCOVERY_MIGRATION, 
this);