[dubbo] branch 3.0 updated: Fix NPE in MetadataInfo (#8131)

[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 33e46df  Fix NPE in MetadataInfo (#8131)
33e46df is described below

commit 33e46df33069e5f103a8f919c9b9824647150a4e
Author: Albumen Kevin <jhq0...@gmail.com>
AuthorDate: Thu Jun 24 15:23:20 2021 +0800

    Fix NPE in MetadataInfo (#8131)
---
 .../src/main/java/org/apache/dubbo/metadata/MetadataInfo.java         | 1 +
 .../main/java/org/apache/dubbo/metadata/report/MetadataReport.java    | 4 ++++
 2 files changed, 5 insertions(+)

diff --git 
a/dubbo-metadata/dubbo-metadata-api/src/main/java/org/apache/dubbo/metadata/MetadataInfo.java
 
b/dubbo-metadata/dubbo-metadata-api/src/main/java/org/apache/dubbo/metadata/MetadataInfo.java
index 2410dc0..a3b34c2 100644
--- 
a/dubbo-metadata/dubbo-metadata-api/src/main/java/org/apache/dubbo/metadata/MetadataInfo.java
+++ 
b/dubbo-metadata/dubbo-metadata-api/src/main/java/org/apache/dubbo/metadata/MetadataInfo.java
@@ -62,6 +62,7 @@ public class MetadataInfo implements Serializable {
     private transient AtomicBoolean reported = new AtomicBoolean(false);
 
     public MetadataInfo() {
+        this(null);
     }
 
     public MetadataInfo(String app) {
diff --git 
a/dubbo-metadata/dubbo-metadata-api/src/main/java/org/apache/dubbo/metadata/report/MetadataReport.java
 
b/dubbo-metadata/dubbo-metadata-api/src/main/java/org/apache/dubbo/metadata/report/MetadataReport.java
index 38f1ded..3dc659e 100644
--- 
a/dubbo-metadata/dubbo-metadata-api/src/main/java/org/apache/dubbo/metadata/report/MetadataReport.java
+++ 
b/dubbo-metadata/dubbo-metadata-api/src/main/java/org/apache/dubbo/metadata/report/MetadataReport.java
@@ -74,6 +74,10 @@ public interface MetadataReport {
         return false;
     }
 
+    default boolean registerServiceAppMapping(String serviceKey, String 
application, URL url) {
+        return false;
+    }
+
     /**
      * Service<-->Application Mapping -- START
      **/