kangkaisen opened a new issue #992: unknown node id error for stream load after decommission BE URL: https://github.com/apache/incubator-doris/issues/992 **Describe the bug** After we decommission BE, there will be a "unknown node id, id=xxx" error for stream load. ``` { "Status": "Fail", "Message": "unknown node id, id=10003", "NumberLoadedRows": 0, "NumberFilteredRows": 0, "LoadBytes": 0, "LoadTimeMs": 0, "Label": "43fb601a-2025-4f3d-89c9-07382aac0d54" } ``` **To Reproduce** Steps to reproduce the behavior: 1 create a table ``` CREATE TABLE `stream_test` ( `id` bigint, `id2` bigint ) ENGINE=OLAP DUPLICATE KEY(`id`) DISTRIBUTED BY HASH(`id`) BUCKETS 20; ``` 2 load some data ``` seq 1 10000 | awk '{OFS="\t"}{print $1, $1 * 10}' | curl --location-trusted -u xxx:xxx -T - http://xxx.com:8410/api/test/stream_test/_stream_load ``` 3 decommission a BE ``` ALTER SYSTEM DECOMMISSION BACKEND "xxx:9050"; ``` 4 wait the decommission join finish 5 load some data again ``` seq 1 10000 | awk '{OFS="\t"}{print $1, $1 * 10}' | curl --location-trusted -u xxx:xxx -T - http://xxx.com:8410/api/test/stream_test/_stream_load ``` 6 the error will happen. The reason is the TTabletLocation contains the decommissioned BE: The 411221 is the decommissioned BE. ``` tablets:[TTabletLocation(tablet_id:411224, node_ids:[10002, 411221, 411121, 383436]), TTabletLocation(tablet_id:411228, node_ids:[10002, 411221, 411121, 383436]), TTabletLocation(tablet_id:4 11232, node_ids:[10002, 411221, 411121, 383436]), TTabletLocation(tablet_id:411236, node_ids:[10002, 411221, 411121, 383436]), TTa bletLocation(tablet_id:411240, node_ids:[10002, 411221, 411121, 383436]), TTabletLocation(tablet_id:411244, node_ids:[10002, 41122 1, 411121, 383436]), TTabletLocation(tablet_id:411248, node_ids:[10002, 411221, 411121, 383436]), TTabletLocation(tablet_id:411252 , node_ids:[10002, 411221, 411121, 383436]), TTabletLocation(tablet_id:411256, node_ids:[10002, 411121, 383436]), TTabletLocation( tablet_id:411260, node_ids:[10002, 411221, 411121, 383436]), TTabletLocation(tablet_id:411264, node_ids:[10002, 411221, 411121, 38 3436]), TTabletLocation(tablet_id:411268, node_ids:[10002, 411221, 411121, 383436]), TTabletLocation(tablet_id:411272, node_ids:[1 0002, 411221, 411121, 383436]), TTabletLocation(tablet_id:411276, node_ids:[10002, 411221, 411121, 383436]), TTabletLocation(table t_id:411280, node_ids:[10002, 411221, 411121, 383436]), TTabletLocation(tablet_id:411284, node_ids:[10002, 411221, 411121, 383436] ), TTabletLocation(tablet_id:411288, node_ids:[10002, 411121, 383436]), TTabletLocation(tablet_id:411292, node_ids:[10002, 411221, 411121, 383436]), TTabletLocation(tablet_id:411296, node_ids:[10002, 411221, 411121, 383436]), TTabletLocation(tablet_id:411300, node_ids:[10002, 411221, 411121, 383436])]), ``` I think when we `getBackendIdsList` we should ensure the replica backend is available.
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