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Only prepend hostname if it has text

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This commit is contained in:
Spencer Gibb
2016-05-23 12:17:06 -06:00
parent 69fd8e7eed
commit 2ff2ce4de4
1 changed files with 2 additions and 1 deletions
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spring-cloud-netflix-eureka-server/src/main/java/org/springframework/cloud/netflix/eureka/server/CloudJacksonJson.java
+2 -1
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@@ -7,6 +7,7 @@ import java.lang.reflect.Field;
import java.util.HashMap;
import org.springframework.util.ReflectionUtils;
import org.springframework.util.StringUtils;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.core.JsonGenerator;
@@ -133,7 +134,7 @@ public class CloudJacksonJson extends LegacyJacksonJson {
private String calculateInstanceId(InstanceInfo info) {
String instanceId = info.getMetadata().get("instanceId");
String hostName = info.getHostName();
if (instanceId != null && !instanceId.startsWith(hostName)) {
if (instanceId != null && StringUtils.hasText(hostName) && !instanceId.startsWith(hostName)) {
instanceId = hostName + ":" + instanceId;
}
return instanceId == null ? hostName : instanceId;