[GitHub] [skywalking] zhengcan opened a new issue #3908: skywalking-ui reports error as the result of query endpoints

[GitBox <gi...@apache.org>]

zhengcan opened a new issue #3908: skywalking-ui reports error as the result of query endpoints
URL: https://github.com/apache/skywalking/issues/3908
 
 
   Please answer these questions before submitting your issue.
   
   - Why do you submit this issue?
   - [ ] Question or discussion
   - [x] Bug
   - [ ] Requirement
   - [ ] Feature or performance improvement
   
   ___
   ### Bug
   - Which version of SkyWalking, OS and JRE?
   6.5.0
   
   - Which company or project?
   Demo
   
   - What happen?
   I've installed a new skywalking instance, includes oap-server and ui.
   
   The ui throws error when I try to list all endpoints.
   The browser send the following request:
   ```
   {"query":"query queryEndpoints($serviceId: ID!, $keyword: String!) {
       getEndpoints: searchEndpoint(serviceId: $serviceId, keyword: $keyword, limit: 100) {
         key: id
         label: name
       }
   }","variables":{"keyword":""}}
   ```
   And server responses:
   ```
   {"errors":[{"message":"Variable 'serviceId' has coerced Null value for NonNull type 'ID!'"}]}
   ```
   
   The log of ui are:
   ```
   ...
   2019-11-20 13:18:34.181 INFO 1 --- [nio-8080-exec-7] c.n.l.DynamicServerListLoadBalancer : DynamicServerListLoadBalancer for client collector initialized: DynamicServerListLoadBalancer:{NFLoadBalancer:name=collector,current list of Servers=[localhost:12800],Load balancer stats=Zone stats: {unknown=[Zone:unknown; Instance count:1; Active connections count: 0; Circuit breaker tripped count: 0; Active connections per server: 0.0;]
   },Server stats: [[Server:localhost:12800; Zone:UNKNOWN; Total Requests:0; Successive connection failure:0; Total blackout seconds:0; Last connection made:Thu Jan 01 00:00:00 GMT 1970; First connection made: Thu Jan 01 00:00:00 GMT 1970; Active Connections:0; total failure count in last (1000) msecs:0; average resp time:0.0; 90 percentile resp time:0.0; 95 percentile resp time:0.0; min resp time:0.0; max resp time:0.0; stddev resp time:0.0]
   ]}ServerList:com.netflix.loadbalancer.ConfigurationBasedServerList@36743aa4
   ...
   ```
   
   I've check the data in database, which is mysql, and it has the following data:
   ```
   select * from service_inventory;
   +----------------+------------+------------+------------+-----------+--------------------+------------+----------+---------------+----------------+------------------+
   | id             | name       | is_address | address_id | node_type | mapping_service_id | properties | sequence | register_time | heartbeat_time | last_update_time |
   +----------------+------------+------------+------------+-----------+--------------------+------------+----------+---------------+----------------+------------------+
   | SkyWalking_0_0 | SkyWalking |          0 |          0 |         0 |                  0 | {}         |        2 | 1574255785986 |  1574256185983 |    1574255785986 |
   +----------------+------------+------------+------------+-----------+--------------------+------------+----------+---------------+----------------+------------------+
   
   select * from service_instance_inventory;
   +------------------+---------------+------------+------------+------------+------------+------------+----------+---------------+----------------+------------------+
   | id               | instance_uuid | name       | service_id | is_address | address_id | properties | sequence | register_time | heartbeat_time | last_update_time |
   +------------------+---------------+------------+------------+------------+------------+------------+----------+---------------+----------------+------------------+
   | 2_standalone_0_0 | standalone    | standalone |          2 |          0 |          0 | NULL       |        2 | 1574255790988 |  1574257095983 |                0 |
   +------------------+---------------+------------+------------+------------+------------+------------+----------+---------------+----------------+------------------+
   
   select * from endpoint_inventory;
   Empty set (0.00 sec)
   
   select * from network_address_inventory;
   Empty set (0.00 sec)
   ```

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