[GitHub] Sunlitkid opened a new issue #1918: There is some problem in SkyWalking 6.0 with elasticsearch-5.6.8

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

Sunlitkid opened a new issue #1918: There is some problem in SkyWalking 6.0  with elasticsearch-5.6.8
URL: https://github.com/apache/incubator-skywalking/issues/1918
 
 
   Please answer these questions before submitting your issue.
   
   - Why do you submit this issue?
   - [x] Question or discussion
   - [x] Bug
   - [ ] Requirement
   - [ ] Feature or performance improvement
   
   ___
   ### Question
   - I know sw6.0 's default DataBase is H2 .
   sw6.0  works well with H2 ,but when I change H2 to ES  .
   There is some problem come out.
   
   Deploy step:
   1.clean es db 5.6.8 's data and start it      (skywalking 5.0 run with it  OK)
   2.open sky-walking‘s configration about es-db and close H2‘s configration
   3.click startup.bat 
   4. start my service and inject to sw ,then I called my service's HTTP-interface
   5.open sw-web and I saw some [Red ERROR]  at top right corner
   
   
   ERROR:
   【Dashboard  page】:  and this page can't show any data
   Exception while fetching data (/getTopNSlowEndpoint) : Elasticsearch exception [type=search_phase_execution_exception, reason=all shards failed]
   
   Exception while fetching data (/getTopNServiceThroughput) : Elasticsearch exception [type=search_phase_execution_exception, reason=all shards failed]
   
   【Service page】: and this page can't show any data
   Exception while fetching data (/getSlowEndpoint) : Elasticsearch exception [type=search_phase_execution_exception, reason=all shards failed]
   
   Exception while fetching data (/getServiceInstanceThroughput) : Elasticsearch exception [type=search_phase_execution_exception, reason=all shards failed]
   
   Exception while fetching data (/getServiceTopology) : Elasticsearch exception [type=search_phase_execution_exception, reason=all shards failed]
   
   
   And I saw some info in 【skywalking-oap-server.log】
   one of debug :
   -----start------
   Caused by: org.elasticsearch.client.ResponseException: method [POST], host [http://localhost:9200], URI [/service_relation_client_side/type/_search?typed_keys=true&ignore_unavailable=false&expand_wildcards=open&allow_no_indices=true&search_type=query_then_fetch&batched_reduce_size=512], status line [HTTP/1.1 500 Internal Server Error]
   {"error":{"root_cause":[{"type":"aggregation_execution_exception","reason":"Invalid term-aggregator order path [_key]. Unknown aggregation [_key]"}],"type":"search_phase_execution_exception","reason":"all shards failed","phase":"query","grouped":true,"failed_shards":[{"shard":0,"index":"service_relation_client_side","node":"YCskJjy9SCGioeF_KGqQcg","reason":{"type":"aggregation_execution_exception","reason":"Invalid term-aggregator order path [_key]. Unknown aggregation [_key]"}}]},"status":500}
   -----end------	
   
   and I called The url 
   
   localhost:9200/service_relation_client_side/type/_search?typed_keys=true&ignore_unavailable=false&expand_wildcards=open&allow_no_indices=true&search_type=query_then_fetch&batched_reduce_size=512
   
   And response is  empty data
   
   {
       "took": 1,
       "timed_out": false,
       "_shards": {
           "total": 2,
           "successful": 2,
           "skipped": 0,
           "failed": 0
       },
       "hits": {
           "total": 0,
           "max_score": null,
           "hits": []
       }
   }
   
   
   
   ___
   ### Bug
   
   I thought there are some bugs
   
   because : 
   Page 【Trace】 can saw all my traces .
   Page 【End Point】 can saw all my data such as cpm / sla / avg Response Time    and     They are all right.
   
   But Page 【dashboard \Topology \Service】 throws some error  
   
   I thought it is  a  query bug about ES db
   ___
   
   Thanks for your reading

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