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[WebConsole] Cannot show error list for tables with . in table name. #5915

@ryzhyk

Description

@ryzhyk

Program:

create table "foo.bar" (x int) with (
  'connectors' = '[{
    "transport": {
      "name": "file_input",
      "config": {
        "path": "/path/to/file.csv"
      }
    },
    "format": {
        "name": "csv",
        "config": {}
    }
  }]'
)

where file.csv contains some lines that cause parser errors, e.g.,

foo
bar

Start the pipeline. The webconsole reports two parser errors, however clicking on the error counter causes the following error in the log:

[dot] 2026-03-24T22:32:12.408375Z ERROR dbsp_adapters::server::error:  [HTTP error response] UnknownInputEndpoint: unknown input endpoint name 'foo.bar.bar.unnamed-0'
[dot] 2026-03-24T22:32:12.408590Z ERROR dbsp_adapters::server:  Response: 404 Not Found (size: Sized(153)) to request GET /input_endpoints/foo.bar.bar.unnamed-0/stats

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Web ConsoleRelated to the browser based UIhigh priorityTask should be tackled first, added in the current sprint if necessary

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