[SCB-2056]print a verbose log when no registration is configured

apache · Jul 31, 2020 · 8e721bd · 8e721bd
1 parent 823ad39
commit 8e721bd
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/...oundation-registry/src/main/java/org/apache/servicecomb/registry/RegistrationManager.java b/...oundation-registry/src/main/java/org/apache/servicecomb/registry/RegistrationManager.java
@@ -85,10 +85,19 @@ public MicroserviceInstance getMicroserviceInstance() {
   }
 
   public Microservice getMicroservice() {
+    assertPrimaryNotNull();
     return primary.getMicroservice();
   }
 
+  private void assertPrimaryNotNull() {
+    if (primary == null) {
+      throw new NullPointerException("At least one Registration implementation configured. Missed"
+          + " to include dependency ? e.g. <artifactId>registry-service-center</artifactId>");
+    }
+  }
+
   public String getAppId() {
+    assertPrimaryNotNull();
     return primary.getAppId();
   }