MarcusSorealheis commented on pull request #42:
URL: https://github.com/apache/solr/pull/42#issuecomment-853507516
Schema Designer should not simply throw generic errors that do no help the
user. For instance, when a user tries to create a field that already exists,
there is just an error processing banner. Ideally, you could grab the important
detail in the response body and show it to the user. Consider
`data["error"]["details"][0]["errorMessages"][0]` as seen below to populate the
banner with something helpful to the user:
```
Possibly unhandled rejection:
{"data":{"responseHeader":{"status":400,"QTime":1},"error":{"metadata":["error-class","org.apache.solr.api.ApiBag$ExceptionWithErrObject","root-error-class","org.apache.solr.api.ApiBag$ExceptionWithErrObject"],"details":[{"add-field":{"stored":"true","indexed":"true","uninvertible":"true","name":"name","type":"string"},"errorMessages":["Field
'name' already exists.\n"]}],"msg":"error processing
commands","code":400}},"status":400,"config":{"method":"POST","transformRequest":[null],"transformResponse":[null],"jsonpCallbackParam":"callback","data":{"add-field":{"stored":"true","indexed":"true","uninvertible":"true","name":"name","type":"string"}},"url":"techproducts/schema","params":{"wt":"json","_":1622686070279},"headers":{"Accept":"application/json,
text/plain,
*/*","X-Requested-With":"XMLHttpRequest","Content-Type":"application/json;charset=utf-8"},"timeout":10000},"statusText":"Bad
Request","xhrStatus":"complete","resource":{"add-field":"..."}}```
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