}
直接就报空指针了
java.lang.NullPointerException: null
at java.util.HashMap.putMapEntries(HashMap.java:500) ~[na:1.8.0_111]
at java.util.HashMap.putAll(HashMap.java:784) ~[na:1.8.0_111]
at com.alibaba.cloud.nacos.discovery.NacosServiceDiscovery.hostToServiceInstance(NacosServiceDiscovery.java:95) ~[spring-cloud-alibaba-nacos-discovery-2.2.0.RELEASE.jar:2.2.0.RELEASE]
这是什么原因啊?
python的注册代码 SERVER_ADDRESSES = "127.0.0.1:8848" NAMESPACE = "public" def func():
no auth mode
java的获取代码 @RestController public class TestController {
} 直接就报空指针了 java.lang.NullPointerException: null at java.util.HashMap.putMapEntries(HashMap.java:500) ~[na:1.8.0_111] at java.util.HashMap.putAll(HashMap.java:784) ~[na:1.8.0_111] at com.alibaba.cloud.nacos.discovery.NacosServiceDiscovery.hostToServiceInstance(NacosServiceDiscovery.java:95) ~[spring-cloud-alibaba-nacos-discovery-2.2.0.RELEASE.jar:2.2.0.RELEASE] 这是什么原因啊?