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fix potential NullPointerException

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pull/1536/head
guerlab 5 years ago committed by GitHub
parent 7b42a9a31e
commit 3af1b5c51c
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1 changed files with 2 additions and 1 deletions
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spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-discovery/src/main/java/com/alibaba/cloud/nacos/discovery/NacosServiceDiscovery.java
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@ -17,6 +17,7 @@
package com.alibaba.cloud.nacos.discovery;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@ -92,7 +93,7 @@ public class NacosServiceDiscovery {
metadata.put("nacos.weight", instance.getWeight() + "");
metadata.put("nacos.healthy", instance.isHealthy() + "");
metadata.put("nacos.cluster", instance.getClusterName() + "");
metadata.putAll(instance.getMetadata());
metadata.putAll(instance.getMetadata() != null ? instance.getMetadata() : Collections.emptyMap());
nacosServiceInstance.setMetadata(metadata);
if (metadata.containsKey("secure")) {

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