[dubbo] branch master updated: fix 4160 (#4163)

[iluo]

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


The following commit(s) were added to refs/heads/master by this push:
     new 897709b  fix 4160 (#4163)
897709b is described below

commit 897709b57c0a5edae3b3a1439d42116ea63df5b9
Author: kexianjun <kexianjun1...@hotmail.com>
AuthorDate: Mon Aug 12 15:10:45 2019 +0800

    fix 4160 (#4163)
---
 .../factory/annotation/ReferenceAnnotationBeanPostProcessor.java      | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git 
a/dubbo-config/dubbo-config-spring/src/main/java/org/apache/dubbo/config/spring/beans/factory/annotation/ReferenceAnnotationBeanPostProcessor.java
 
b/dubbo-config/dubbo-config-spring/src/main/java/org/apache/dubbo/config/spring/beans/factory/annotation/ReferenceAnnotationBeanPostProcessor.java
index 834939a..7feea26 100644
--- 
a/dubbo-config/dubbo-config-spring/src/main/java/org/apache/dubbo/config/spring/beans/factory/annotation/ReferenceAnnotationBeanPostProcessor.java
+++ 
b/dubbo-config/dubbo-config-spring/src/main/java/org/apache/dubbo/config/spring/beans/factory/annotation/ReferenceAnnotationBeanPostProcessor.java
@@ -298,8 +298,10 @@ public class ReferenceAnnotationBeanPostProcessor extends 
AnnotationInjectedBean
                     .interfaceClass(referencedType);
             referenceBean = beanBuilder.build();
             referenceBeanCache.put(referencedBeanName, referenceBean);
+        } else if 
(!referencedType.isAssignableFrom(referenceBean.getInterfaceClass())) {
+            throw new IllegalArgumentException("reference bean name " + 
referencedBeanName + " has been duplicated, but interfaceClass " +
+                    referenceBean.getInterfaceClass().getName() + " cannot be 
assigned to " + referencedType.getName());
         }
-
         return referenceBean;
     }