If you can still see the same behavior in 7.5 (some things were rewritten), this could be a reasonable enhancement Jira with suggested patch attached.
Regards, Alex. On Sat, 29 Sep 2018 at 07:25, Ryan Qin <r...@opentext.com> wrote: > Hi there, > > > > I’m working on a project which uses solr as search engine. I found I > cannot get the root cause of error from SolrJ. > > > > *Case 1* > > I try to create a field with wrong field type > > > > Map<String, Object> fieldd = *new* LinkedHashMap<String, > Object>(); > > fieldd.put("name", "eeeee"); > > fieldd.put("type", "srting"); > > fieldd.put("stored", *true*); > > fieldd.put("indexed", *true*); > > > > SchemaRequest.AddField addFieldRequest = *new* > SchemaRequest.AddField(fieldd); > > addFieldRequest.process(*client*, "gettingstarted"); > > > > The exception I got is like: > > > > 1167 [main] ERROR org.apache.solr.client.solrj.impl.CloudSolrClient - > Request to collection [gettingstarted] failed due to (400) > *org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteExecutionException*: > Error from server at http://10.0.75.1:7574/solr/gettingstarted: error > processing commands, retry? 0 > > > > The root cause is wrapped very deep, like: > > > > > > *Case 2* > > > > I try to get an non-existence field. > > > > SchemaRequest.Field request = *new* SchemaRequest.Field( > "noexistfield"); > > FieldResponse *response* = request.process(*client*, > "gettingstarted"); > > > > The error message is like > > > > No live SolrServers available to handle this request:[ > http://10.0.75.1:7574/solr/gettingstarted, > http://10.0.75.1:8983/solr/gettingstarted] > > > > > > Many other errors have the same problems. I have to do a lot pre-checking > in code to get the actual reason, which is very inconvenient and affects > performance. Coud Solr provide a method to get the real cause easily, like > “getRootCause()” in SolrJ? Thanks! > > > > > Best Regards, > > Ryan >