Thanks for the feedback. Yes, please create the ticket. I believe all that needs to be done is to check for null and then throw a better exception.
Joel Bernstein http://joelsolr.blogspot.com/ On Wed, Dec 23, 2015 at 9:15 AM, Jason Gerlowski <gerlowsk...@gmail.com> wrote: > Thanks for the heads up Joel. Glad this was just user error, and not an > actual problem. > > Though it is interesting that Solr's response didn't contain any > information about what was wrong. I probably would've expected a message > to the effect of: "the required parameter 'expr' was not found". > > Also, it was a little disappointing that when the thrown exception has no > message, ExceptionStream puts 'null' in the EXCEPTION Tuple (i.e. > {"EXCEPTION":null,"EOF":true}). It might be nice if the name/type of the > exception was used when no message can be found. > > I'd be happy to create JIRAs and push up a patch for one/both of those > behaviors if people agree that this would make the API a little nicer. > > Thanks again Joel. > > Best, > > Jason > > On Tue, Dec 22, 2015 at 10:06 PM, Joel Bernstein <joels...@gmail.com> > wrote: > > > The http parameter "stream" was recently changed to "expr" in SOLR-8443. > > > > Joel Bernstein > > http://joelsolr.blogspot.com/ > > > > On Tue, Dec 22, 2015 at 8:45 PM, Jason Gerlowski <gerlowsk...@gmail.com> > > wrote: > > > > > I'll preface this email by saying that I wasn't sure which mailing list > > it > > > belonged on. It might fit on the dev list (since it involves a > potential > > > Solr bug), but maybe the solr-users list is a better choice (since I'm > > > probably just misusing Solr). I settled on the solr-users list. Sorry > > if > > > I chose incorrectly. > > > > > > Moving on... > > > > > > I've run into a NullPointerException when trying to use the /stream > > > handler. I'm not sure whether I'm doing something wrong with the > > commands > > > I'm sending to Solr via curl, or if there's an underlying bug causing > > this > > > behavior. > > > > > > I'm making the stream request: > > > > > > curl --data-urlencode 'stream=search(gettingstarted, q="*:*", > > > fl="title,url", sort="_version_ asc", rows="10")' > > > "localhost:8983/solr/gettingstarted/stream" > > > > > > Solr responds with: > > > > > > {"result-set":{"docs":[ > > > {"EXCEPTION":null,"EOF":true}]}} > > > > > > At this point, I assumed that something was wrong with my command, so I > > > checked the solr-logs for a hint at the problem. I found: > > > > > > ERROR - 2015-12-23 01:32:32.535; [c:gettingstarted s:shard2 > r:core_node2 > > > x:gettingstarted_shard2_replica2] org.apache.solr.common.SolrException; > > > java.lang.NullPointerException > > > at > > > > > > > > > org.apache.solr.client.solrj.io.stream.expr.StreamExpressionParser.generateStreamExpression(StreamExpressionParser.java:47) > > > at > > > > > > > > > org.apache.solr.client.solrj.io.stream.expr.StreamExpressionParser.parse(StreamExpressionParser.java:38) > > > at > > > > > > > > > org.apache.solr.client.solrj.io.stream.expr.StreamFactory.constructStream(StreamFactory.java:168) > > > at > > > > > > > > > org.apache.solr.handler.StreamHandler.handleRequestBody(StreamHandler.java:155) > > > at > > > > > > > > > org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:156) > > > > > > Has anyone seen this behavior before? Is Solr reacting to something > > amiss > > > in my request, or is there maybe a bug here? I'll admit this is my > first > > > attempt at using the /stream API, so I might be getting something wrong > > > here. I consulted the reference guide's examples on using the > streaming > > > API ( > > > https://cwiki.apache.org/confluence/display/solr/Streaming+Expressions > ) > > > when coming up with my curl command, but I might've missed something. > > > > > > Anyways, I'd appreciate any insight that anyone can offer on this. If > it > > > helps, I've included reproduction steps below. > > > > > > 1.) Download and compile Solr trunk. > > > 2.) Start Solr using one of the examples (bin/solr start -e cloud). > > Accept > > > default values. > > > 3.) Index some docs (bin/post -c gettingstarted > > > http://lucene.apache.org/solr -recursive 1 -delay 1) > > > 4.) Do a search to sanity check the ingestion (curl > > > "localhost:8983/solr/gettingstarted/select?q=*:*&wt=json") > > > 5.) Make a /stream request for some docs (curl --data-urlencode > > > 'stream=search(gettingstarted, q="*:*", fl="title,url", sort="_version_ > > > asc", rows="10")' "localhost:8983/solr/gettingstarted/stream") > > > > > > Thanks again for any ideas/help anyone can give. > > > > > > Best, > > > > > > Jason > > > > > >
