Can you check the logfiles of Solr? It could be that after the upgrade some filesystem permissions do not work anymore
> Am 08.09.2020 um 09:27 schrieb "jeanc...@gmail.com" <jeanc...@gmail.com>: > > Hey guys, good morning. > > As I didn't get any reply for this one, is it ok then that I create the > Jira ticket? > > Best Regards, > > *Jean Silva* > > > https://github.com/jeancsil > > https://linkedin.com/in/jeancsil > > > >> On Fri, Aug 28, 2020 at 11:10 AM jeanc...@gmail.com <jeanc...@gmail.com> >> wrote: >> >> Hey everybody, >> >> First of all, I wanted to say that this is my first time writing here. I >> hope I don't do anything wrong. >> I went to create the "bug" ticket and saw it would be a good idea to first >> talk to some of you via IRC (didn't work for me or I did something wrong >> after 20 years of not using it..) >> >> I'm currently using Solr 8.1.1 in production and I use the Schema API to >> create the necessary fields before starting to index my new data. (Reason, >> the managed-schema would be big for me to take care of and I decided to >> automate this process by using the REST API). >> >> I started trying to upgrade* from 8.1.1* directly to *8.6.1* and the >> python script I use to add some fields and analyzers started to *kill >> solr after some successful processes to finish* without issues. >> >> *Let's put it simply that I have to make sure the fields that contain the >> word "blablabla" in it need to be deleted and then recreated. I have ~33 of >> them.* >> >> The script works as expected but after some successful creations it kills >> Solr! >> >> This script was implemented in python and I thought that I might have done >> something that doesn't work with Solr 8.6.1 anymore and decided to test it >> with the *proper implementation of the library in Java*, SolrJ 8.6.1 as >> well. The same error occurred. I also didn't see any change in the >> documentation with regards to the request I was making. >> >> Unfortunately I don't have any stacktrace from Solr as there were no >> errors popping up in the console for me. The only thing I see was the >> output of my script, saying that the *Remote closed connection without >> response*: >> ... >> Traceback (most recent call last): >> File "/usr/local/lib/python3.7/dist-packages/urllib3/connectionpool.py", >> line 677, in urlopen >> chunked=chunked, >> File "/usr/local/lib/python3.7/dist-packages/urllib3/connectionpool.py", >> line 426, in _make_request >> six.raise_from(e, None) >> File "<string>", line 3, in raise_from >> File "/usr/local/lib/python3.7/dist-packages/urllib3/connectionpool.py", >> line 421, in _make_request >> httplib_response = conn.getresponse() >> File "/usr/lib/python3.7/http/client.py", line 1336, in getresponse >> response.begin() >> File "/usr/lib/python3.7/http/client.py", line 306, in begin >> version, status, reason = self._read_status() >> File "/usr/lib/python3.7/http/client.py", line 275, in _read_status >> raise RemoteDisconnected("Remote end closed connection without" >> http.client.RemoteDisconnected: Remote end closed connection without >> response >> >> >> With *Java and SolrJ* matching the Solr version I was using, I got this: >> >> Deleting field field_name_1 >> {responseHeader={status=0,QTime=2187}} >> >> Deleting field field_name_2 >> {responseHeader={status=0,QTime=1571}} >> >> Deleting field field_name_3 >> {responseHeader={status=0,QTime=1587}} >> >> Deleting field field_name_4 >> Exception while deleting the field field_name_4:* IOException occured >> when talking to server at: http://localhost:32783/solr/my_core_name >> <http://localhost:32783/solr/my_core_name>* >> >> Deleting field field_name_5 >> Exception while deleting the field field_name_5:* IOException occured >> when talking to server at: http://localhost:32783/solr/my_core_name >> <http://localhost:32783/solr/my_core_name>* >> // THIS REPEATES FOR + 30 TIMES AND THEN THE MESSAGE CHANGES A BIT >> >> Exception while deleting the field field_name_6:* Server refused >> connection at: >> http://localhost:32783/solr/my_core_name/schema?wt=javabin&version=2 >> <http://localhost:32783/solr/my_core_name/schema?wt=javabin&version=2>* >> Deleting field field_name_6 >> // REPEATS ALSO MANY TIMES >> >> Maybe I need to run the same thing again with some different configuration >> to help give you guys a hint on what the problem is? >> >> To finalize, I started to go "back in time" to see when this happened and >> realized that *I can only upgrade from 8.1.1. to 8.2.1* without this >> error to happen. (I'm using the docker images in here btw: >> https://github.com/docker-solr/docker-solr) >> >> Thank you very much and I hope I can also help with this if it's really a >> bug. >> >> Best Regards, >> >> *Jean Silva* >> >> >> https://github.com/jeancsil >> >> https://linkedin.com/in/jeancsil >> >>