Glad you got it working, Steve. If you have a chance to file JIRAs where you ran into issues, that'd be much appreciated.
Lukás - your Python Query Server support would be a welcome addition to Phoenix or Avatica. Send us a pull request for a new module if you're interested. James On Friday, February 5, 2016, Steve Terrell <sterr...@oculus360.us <javascript:_e(%7B%7D,'cvml','sterr...@oculus360.us');>> wrote: > Success! > > I had to fix another trivial bug in queryserver.py to allow the > *-Dphoenix.queryserver.**serialization=JSON* to get passed to the Java > command. > > Then I ran into a pythondb error very much like the one described at > https://bitbucket.org/lalinsky/python-phoenixdb/issues/1/error-on-avatica-150 > . So, I looked at the committed bug fix > <https://bitbucket.org/lalinsky/python-phoenixdb/commits/65ed3c64d830> > and guess that I needed to wrap everything up in a openConnection > / closeConnection pair. > > Also, the verbose log from shell.py --debug , when compared to the above > verbose log, looked like the JSON was still being sent in the header > instead of the body. I'm guessing the format is > > DEBUG:phoenixdb.avatica:POST / *<body> <header>* > > > These two incidents leads me to guess that root cause of my issue with > pythondb is that it was not correctly recognizing the Avatica version. > > Anyway, I got upserts working remotely with curl, with the request JSON in > the body. I hope that having the request in the body will now allow me to > make these calls in Javascript. (See my other email topic for details on > *that*.) > > Thanks again, Lukas. You can email me directly if you want me to help > troubleshoot pythondb for > https://dist.apache.org/repos/dist/dev/phoenix/phoenix-4.7.0-HBase-0.98-rc1/ > . > > Bye, > Steve > > On Fri, Feb 5, 2016 at 3:07 PM, Steve Terrell <sterr...@oculus360.us> > wrote: > >> Thanks, Lukas. Half the battle is won, now. With your help I was able >> to see the JSON used to perform the upsert. Looks like my problem was that >> I was not doing any "connectionSync" calls. I had played around with the >> "createStatement" before my upsert SQL, but I may not have stumbled across >> the proper sequence. >> >> It would have been nice if somewhere there were Avatica docs to let >> people know what the sequence of calls must be. For example: first you do >> connectionSync, second you do createStatement, then you >> do prepareAndExecute, etc. >> >> I'll try your tip for starting the 4.7 server in JSON mode sometime soon. >> >> On Fri, Feb 5, 2016 at 1:59 PM, Lukáš Lalinský <lalin...@gmail.com> >> wrote: >> >>> On Fri, Feb 5, 2016 at 8:46 PM, Steve Terrell <sterr...@oculus360.us> >>> wrote: >>>> >>>> When I tried to send a "createStatement" via curl and via Lukas's >>>> phoenixdb, I got these error's respectively: >>>> >>>> <h2>HTTP ERROR: 500</h2> >>>> <p>Problem accessing /. Reason: >>>> <pre> Cannot find parser for </pre></p> >>>> >>>> >>>> File "/usr/local/lib/python2.7/site-packages/phoenixdb/avatica.py", >>>> line 100, in parse_error_page >>>> raise errors.InternalError(message) >>>> phoenixdb.errors.InternalError: ('Cannot find parser for', None, None, >>>> None) >>>> >>>> >>>> Too bad - I think I need 4.7 to pass JSON in the HTTP request body. >>>> >>> >>> 4.7 uses Protobuf3 serialization by default, but you can still make it >>> use JSON: >>> >>> ./bin/queryserver.py start -Dphoenix.queryserver.serialization=JSON >>> >>> >>>> However, I *was* able to get phoenixdb working with my Phoenix 4.6, >>>> both selects and upserts, both locally and remotely. So, I'd like to take >>>> Lukas's advice and log what is being sent so I can replicate it outside of >>>> Python. >>>> >>>> Does anyone know: >>>> >>>> - How to log the headers and body of all requests >>>> >>>> You should be able to run this and see the request/response details. >>> >>> ./examples/shell.py --debug http://localhost:8765/ >>>> >>>> >>>> - Where the Avatica documentation is for how to make queries for >>>> different versions? As I linked in my original email, all I could find >>>> was >>>> syntax of the latest JSON, bit no docs on headers, post body, how to >>>> form >>>> the HTTP request, etc. >>>> >>>> There is no documentation for the older versions of the protocol, as >>> far as I know. I based my library on the Java code in calcite. >>> >>> Lukas >>> >>> >> >