Hi Joel, Thanks for your help. The problem is with the solrconfig.xml.
I got the latest Solr 6.4.2 sample solrconfig.xml, and added in my custom handler, and it works now. Regards, Edwin On 15 March 2017 at 09:35, Zheng Lin Edwin Yeo <edwinye...@gmail.com> wrote: > Ok, thanks for the heads up. > > I'll review on the solrconfig.xml first. > > Regards, > Edwin > > > On 15 March 2017 at 00:23, Joel Bernstein <joels...@gmail.com> wrote: > >> Yeah, there has been a lot of changes to configs in Solr 6. All the >> streaming request handlers have now been made implicit so the >> solrconfig.xml doesn't include them. Something seems to be stepping on the >> implicit configs. >> >> Joel Bernstein >> http://joelsolr.blogspot.com/ >> >> On Tue, Mar 14, 2017 at 12:20 PM, Zheng Lin Edwin Yeo < >> edwinye...@gmail.com> >> wrote: >> >> > Could it be because the solrconfig.xml was created in Solr 5.x, and was >> > upgraded to Solr 6.x, and there is something which I have missed out >> during >> > the upgrading? >> > >> > So far for this server, only the schema.xml and solrconfig.xml was >> carried >> > forward and modified from Solr 5.x. The files for Solr 6.4.1 were >> > downloaded directly from the Solr website, and the index were indexed >> > directly in Solr 6.4.1. >> > >> > Regards, >> > Edwin >> > >> > >> > On 14 March 2017 at 23:53, Joel Bernstein <joels...@gmail.com> wrote: >> > >> > > Yeah, something is wrong with the configuration, because /export only >> > > should be returning json. Have you changed the configurations? >> > > >> > > What were the exact steps you used in setting up the server? >> > > >> > > Joel Bernstein >> > > http://joelsolr.blogspot.com/ >> > > >> > > On Tue, Mar 14, 2017 at 11:50 AM, Zheng Lin Edwin Yeo < >> > > edwinye...@gmail.com> >> > > wrote: >> > > >> > > > Hi Joel, >> > > > >> > > > This is what get from query: >> > > > >> > > > <response> >> > > > <lst name="responseHeader"> >> > > > <bool name="zkConnected">true</bool> >> > > > <int name="status">0</int> >> > > > <int name="QTime">0</int> >> > > > </lst> >> > > > <result name="response" numFound="0" start="0"/> >> > > > </response> >> > > > >> > > > Regards, >> > > > Edwin >> > > > >> > > > >> > > > On 14 March 2017 at 22:33, Joel Bernstein <joels...@gmail.com> >> wrote: >> > > > >> > > > > try running the following query: >> > > > > >> > > > > http://localhost:8983/solr/email/export?{!terms+f%3Dfrom} >> <http://localhost:8983/solr/email/export?%7B!terms+f%3Dfrom%7D> >> > > ed...@mail.com >> > > > > &distrib=false&fl=from,to&sort=to+asc,from+asc&wt=json&versi >> on=2.2 >> > > > > >> > > > > Let's see what comes back from this. >> > > > > >> > > > > Joel Bernstein >> > > > > http://joelsolr.blogspot.com/ >> > > > > >> > > > > On Tue, Mar 14, 2017 at 10:20 AM, Zheng Lin Edwin Yeo < >> > > > > edwinye...@gmail.com> >> > > > > wrote: >> > > > > >> > > > > > Hi Joel, >> > > > > > >> > > > > > I have only managed to find these above the stack trace. >> > > > > > >> > > > > > 2017-03-14 14:08:42.819 INFO (qtp1543727556-2635) [ ] >> > > > > > o.a.s.s.HttpSolrCall [admin] webapp=null >> path=/admin/info/logging >> > > > > > params={wt=json&_=1489500479108&since=0} status=0 QTime=0 >> > > > > > 2017-03-14 14:08:43.085 INFO (qtp1543727556-2397) [c:email >> > s:shard1 >> > > > > > r:core_node1 x:email] o.a.s.c.S.Request [email] webapp=/solr >> > > > > path=/stream >> > > > > > params={indent=true&expr=gatherNodes(email,+walk%3D"edwin@mail- >> > > > > > >from",+gather%3D"to")} >> > > > > > status=0 QTime=0 >> > > > > > 2017-03-14 14:08:43.116 INFO (qtp1543727556-8207) [c:email >> > s:shard1 >> > > > > > r:core_node1 x:email] o.a.s.c.S.Request [email] webapp=/solr >> > > > > path=/export >> > > > > > params={q={!terms+f%3Dfrom}ed...@mail.com&distrib=false& >> > > > > > fl=from,to&sort=to+asc,from+asc&wt=json&version=2.2} >> > > > > > hits=2471 status=0 QTime=19 >> > > > > > 2017-03-14 14:08:43.163 ERROR (qtp1543727556-2397) [c:email >> > s:shard1 >> > > > > > r:core_node1 x:email] o.a.s.c.s.i.s.ExceptionStream >> > > > > > java.lang.RuntimeException: java.util.concurrent. >> > ExecutionException: >> > > > > > java.lang.RuntimeException: java.io.IOException: >> > > > > > java.util.concurrent.ExecutionException: java.io.IOException: >> --> >> > > > > > http://localhost:8983/solr/email/: An exception has occurred on >> > the >> > > > > > server, >> > > > > > refer to server log for details. >> > > > > > >> > > > > > I am getting these logs from {solrHome}/server/log. Is this the >> > > correct >> > > > > > folder to get the log, or is there another folder which may >> contain >> > > the >> > > > > > error? >> > > > > > >> > > > > > Regards, >> > > > > > Edwin >> > > > > > >> > > > > > >> > > > > > On 14 March 2017 at 21:47, Joel Bernstein <joels...@gmail.com> >> > > wrote: >> > > > > > >> > > > > > > You're getting json parse errors, that look like your getting >> an >> > > XML >> > > > > > > response. Do you see any errors in the logs other then the >> stack >> > > > > trace. I >> > > > > > > suspect there might be another error above the stack trace >> which >> > > > shows >> > > > > > the >> > > > > > > error from the server that causing it to respond with XML. >> > > > > > > >> > > > > > > >> > > > > > > >> > > > > > > Joel Bernstein >> > > > > > > http://joelsolr.blogspot.com/ >> > > > > > > >> > > > > > > On Mon, Mar 13, 2017 at 11:01 PM, Zheng Lin Edwin Yeo < >> > > > > > > edwinye...@gmail.com> >> > > > > > > wrote: >> > > > > > > >> > > > > > > > Hi Joel, >> > > > > > > > >> > > > > > > > >One thing it could be is that gatherNodes will only work on >> > > single >> > > > > > value >> > > > > > > > >fields currently. >> > > > > > > > >> > > > > > > > Regarding this, the fields which I am using in the query is >> > > > already a >> > > > > > > > single value field, not multi-value field. >> > > > > > > > >> > > > > > > > Regards, >> > > > > > > > Edwin >> > > > > > > > >> > > > > > > > >> > > > > > > > On 14 March 2017 at 10:04, Zheng Lin Edwin Yeo < >> > > > edwinye...@gmail.com >> > > > > > >> > > > > > > > wrote: >> > > > > > > > >> > > > > > > > > Hi Joel, >> > > > > > > > > >> > > > > > > > > This is the details which I get form the logs. >> > > > > > > > > >> > > > > > > > > java.lang.RuntimeException: java.util.concurrent. >> > > > > ExecutionException: >> > > > > > > > > java.lang.RuntimeException: java.io.IOException: >> > > > > > java.util.concurrent. >> > > > > > > > ExecutionException: >> > > > > > > > > java.io.IOException: --> http://localhost:8984/solr/ema >> il/: >> > An >> > > > > > > exception >> > > > > > > > > has occurred on the server, refer to server log for >> details. >> > > > > > > > > at org.apache.solr.client.solrj.i >> o.graph.GatherNodesStream. >> > > > > > > > > read(GatherNodesStream.java:600) >> > > > > > > > > at org.apache.solr.client.solrj.i >> o.stream.ExceptionStream. >> > > > > > > > > read(ExceptionStream.java:68) >> > > > > > > > > at org.apache.solr.handler.StreamHandler$TimerStream. >> > > > > > > > > read(StreamHandler.java:479) >> > > > > > > > > at org.apache.solr.client.solrj. >> > io.stream.TupleStream.lambda$ >> > > > > > > > > writeMap$0(TupleStream.java:67) >> > > > > > > > > at org.apache.solr.response.JSONWriter.writeIterator( >> > > > > > > > > JSONResponseWriter.java:523) >> > > > > > > > > at org.apache.solr.response.TextResponseWriter.writeVal( >> > > > > > > > > TextResponseWriter.java:175) >> > > > > > > > > at org.apache.solr.response.JSONWriter$2.put( >> > > > > > > > JSONResponseWriter.java:559) >> > > > > > > > > at org.apache.solr.client.solrj.io.stream.TupleStream. >> > > > > > > > > writeMap(TupleStream.java:64) >> > > > > > > > > at org.apache.solr.response.JSONWriter.writeMap( >> > > > > > > > > JSONResponseWriter.java:547) >> > > > > > > > > at org.apache.solr.response.TextResponseWriter.writeVal( >> > > > > > > > > TextResponseWriter.java:193) >> > > > > > > > > at org.apache.solr.response.JSONWriter. >> > > > > writeNamedListAsMapWithDups( >> > > > > > > > > JSONResponseWriter.java:209) >> > > > > > > > > at org.apache.solr.response.JSONWriter.writeNamedList( >> > > > > > > > > JSONResponseWriter.java:325) >> > > > > > > > > at org.apache.solr.response.JSONWriter.writeResponse( >> > > > > > > > > JSONResponseWriter.java:120) >> > > > > > > > > at org.apache.solr.response.JSONResponseWriter.write( >> > > > > > > > > JSONResponseWriter.java:71) >> > > > > > > > > at org.apache.solr.response.QueryResponseWriterUtil. >> > > > > > > writeQueryResponse( >> > > > > > > > > QueryResponseWriterUtil.java:65) >> > > > > > > > > at org.apache.solr.servlet.HttpSolrCall.writeResponse( >> > > > > > > > > HttpSolrCall.java:732) >> > > > > > > > > at org.apache.solr.servlet.HttpSolrCall.call( >> > > > > HttpSolrCall.java:473) >> > > > > > > > > at org.apache.solr.servlet.SolrDispatchFilter.doFilter( >> > > > > > > > > SolrDispatchFilter.java:345) >> > > > > > > > > at org.apache.solr.servlet.SolrDispatchFilter.doFilter( >> > > > > > > > > SolrDispatchFilter.java:296) >> > > > > > > > > at org.eclipse.jetty.servlet.ServletHandler$CachedChain. >> > > > > > > > > doFilter(ServletHandler.java:1691) >> > > > > > > > > at org.eclipse.jetty.servlet.ServletHandler.doHandle( >> > > > > > > > > ServletHandler.java:582) >> > > > > > > > > at org.eclipse.jetty.server.handler.ScopedHandler.handle( >> > > > > > > > > ScopedHandler.java:143) >> > > > > > > > > at org.eclipse.jetty.security.SecurityHandler.handle( >> > > > > > > > > SecurityHandler.java:548) >> > > > > > > > > at org.eclipse.jetty.server.session.SessionHandler. >> > > > > > > > > doHandle(SessionHandler.java:226) >> > > > > > > > > at org.eclipse.jetty.server.handler.ContextHandler. >> > > > > > > > > doHandle(ContextHandler.java:1180) >> > > > > > > > > at org.eclipse.jetty.servlet.ServletHandler.doScope( >> > > > > > > > > ServletHandler.java:512) >> > > > > > > > > at org.eclipse.jetty.server.session.SessionHandler. >> > > > > > > > > doScope(SessionHandler.java:185) >> > > > > > > > > at org.eclipse.jetty.server.handler.ContextHandler. >> > > > > > > > > doScope(ContextHandler.java:1112) >> > > > > > > > > at org.eclipse.jetty.server.handler.ScopedHandler.handle( >> > > > > > > > > ScopedHandler.java:141) >> > > > > > > > > at org.eclipse.jetty.server.handler. >> > ContextHandlerCollection. >> > > > > handle( >> > > > > > > > > ContextHandlerCollection.java:213) >> > > > > > > > > at org.eclipse.jetty.server.handler.HandlerCollection. >> > > > > > > > > handle(HandlerCollection.java:119) >> > > > > > > > > at org.eclipse.jetty.server.handl >> er.HandlerWrapper.handle( >> > > > > > > > > HandlerWrapper.java:134) >> > > > > > > > > at org.eclipse.jetty.server.Serve >> r.handle(Server.java:534) >> > > > > > > > > at org.eclipse.jetty.server.HttpChannel.handle( >> > > > > HttpChannel.java:320) >> > > > > > > > > at org.eclipse.jetty.server.HttpConnection.onFillable( >> > > > > > > > > HttpConnection.java:251) >> > > > > > > > > at org.eclipse.jetty.io.AbstractConnection$ >> > > > ReadCallback.succeeded( >> > > > > > > > > AbstractConnection.java:273) >> > > > > > > > > at org.eclipse.jetty.io.FillInterest.fillable( >> > > > > FillInterest.java:95) >> > > > > > > > > at org.eclipse.jetty.io.SelectChannelEndPoint$2.run( >> > > > > > > > > SelectChannelEndPoint.java:93) >> > > > > > > > > at org.eclipse.jetty.util.thread.strategy. >> > > ExecuteProduceConsume. >> > > > > > > > > executeProduceConsume(ExecuteProduceConsume.java:303) >> > > > > > > > > at org.eclipse.jetty.util.thread.strategy. >> > > ExecuteProduceConsume. >> > > > > > > > > produceConsume(ExecuteProduceConsume.java:148) >> > > > > > > > > at org.eclipse.jetty.util.thread.strategy. >> > > > > ExecuteProduceConsume.run( >> > > > > > > > > ExecuteProduceConsume.java:136) >> > > > > > > > > at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob( >> > > > > > > > > QueuedThreadPool.java:671) >> > > > > > > > > at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run( >> > > > > > > > > QueuedThreadPool.java:589) >> > > > > > > > > at java.lang.Thread.run(Thread.java:745) >> > > > > > > > > Caused by: java.util.concurrent.ExecutionException: >> > > > > > > > > java.lang.RuntimeException: java.io.IOException: >> > > > > > java.util.concurrent. >> > > > > > > > ExecutionException: >> > > > > > > > > java.io.IOException: --> http://localhost:8984/solr/ema >> il/: >> > An >> > > > > > > exception >> > > > > > > > > has occurred on the server, refer to server log for >> details. >> > > > > > > > > at java.util.concurrent.FutureTask.report(FutureTask. >> > java:122) >> > > > > > > > > at java.util.concurrent.FutureTas >> k.get(FutureTask.java:192) >> > > > > > > > > at org.apache.solr.client.solrj.i >> o.graph.GatherNodesStream. >> > > > > > > > > read(GatherNodesStream.java:572) >> > > > > > > > > ... 43 more >> > > > > > > > > Caused by: java.lang.RuntimeException: >> java.io.IOException: >> > > > > > > > > java.util.concurrent.ExecutionException: >> > java.io.IOException: >> > > > --> >> > > > > > > > > http://localhost.:8984/solr/email/: An exception has >> > occurred >> > > on >> > > > > the >> > > > > > > > > server, refer to server log for details. >> > > > > > > > > at org.apache.solr.client.solrj.i >> o.graph.GatherNodesStream$ >> > > > > > > > > JoinRunner.call(GatherNodesStream.java:487) >> > > > > > > > > at org.apache.solr.client.solrj.i >> o.graph.GatherNodesStream$ >> > > > > > > > > JoinRunner.call(GatherNodesStream.java:406) >> > > > > > > > > at java.util.concurrent.FutureTas >> k.run(FutureTask.java:266) >> > > > > > > > > at org.apache.solr.common.util.ExecutorUtil$ >> > > > > > > MDCAwareThreadPoolExecutor. >> > > > > > > > > lambda$execute$0(ExecutorUtil.java:229) >> > > > > > > > > at java.util.concurrent.ThreadPoolExecutor.runWorker( >> > > > > > > > > ThreadPoolExecutor.java:1142) >> > > > > > > > > at java.util.concurrent.ThreadPoolExecutor$Worker.run( >> > > > > > > > > ThreadPoolExecutor.java:617) >> > > > > > > > > ... 1 more >> > > > > > > > > Caused by: java.io.IOException: java.util.concurrent. >> > > > > > > ExecutionException: >> > > > > > > > > java.io.IOException: --> http://localhost:8984/solr/ema >> il/: >> > An >> > > > > > > exception >> > > > > > > > > has occurred on the server, refer to server log for >> details. >> > > > > > > > > at org.apache.solr.client.solrj.i >> o.stream.CloudSolrStream. >> > > > > > > > > openStreams(CloudSolrStream.java:451) >> > > > > > > > > at org.apache.solr.client.solrj.i >> o.stream.CloudSolrStream. >> > > > > > > > > open(CloudSolrStream.java:308) >> > > > > > > > > at org.apache.solr.client.solrj. >> > io.stream.PushBackStream.open( >> > > > > > > > > PushBackStream.java:70) >> > > > > > > > > at org.apache.solr.client.solrj. >> > io.stream.ReducerStream.open( >> > > > > > > > > ReducerStream.java:199) >> > > > > > > > > at org.apache.solr.client.solrj.i >> o.stream.UniqueStream.open( >> > > > > > > > > UniqueStream.java:150) >> > > > > > > > > at org.apache.solr.client.solrj.i >> o.graph.GatherNodesStream$ >> > > > > > > > > JoinRunner.call(GatherNodesStream.java:476) >> > > > > > > > > ... 6 more >> > > > > > > > > Caused by: java.util.concurrent.ExecutionException: >> > > > > > > java.io.IOException: >> > > > > > > > > --> http://localhost:8984/solr/email/: An exception has >> > > occurred >> > > > > on >> > > > > > > the >> > > > > > > > > server, refer to server log for details. >> > > > > > > > > at java.util.concurrent.FutureTask.report(FutureTask. >> > java:122) >> > > > > > > > > at java.util.concurrent.FutureTas >> k.get(FutureTask.java:192) >> > > > > > > > > at org.apache.solr.client.solrj.i >> o.stream.CloudSolrStream. >> > > > > > > > > openStreams(CloudSolrStream.java:445) >> > > > > > > > > ... 11 more >> > > > > > > > > Caused by: java.io.IOException: --> >> > > http://localhost:8984/solr/ >> > > > > > email/: >> > > > > > > > An >> > > > > > > > > exception has occurred on the server, refer to server log >> for >> > > > > > details. >> > > > > > > > > at org.apache.solr.client.solrj.i >> o.stream.SolrStream.read( >> > > > > > > > > SolrStream.java:238) >> > > > > > > > > at org.apache.solr.client.solrj.i >> o.stream.CloudSolrStream$ >> > > > > > > > > TupleWrapper.next(CloudSolrStream.java:541) >> > > > > > > > > at org.apache.solr.client.solrj.i >> o.stream.CloudSolrStream$ >> > > > > > > > > StreamOpener.call(CloudSolrStream.java:564) >> > > > > > > > > at org.apache.solr.client.solrj.i >> o.stream.CloudSolrStream$ >> > > > > > > > > StreamOpener.call(CloudSolrStream.java:551) >> > > > > > > > > ... 5 more >> > > > > > > > > Caused by: org.noggit.JSONParser$ParseException: JSON >> Parse >> > > > Error: >> > > > > > > > > char=<,position=0 BEFORE='<' AFTER='?xml version="1.0" >> > > > > > > > encoding="UTF-8"?> <' >> > > > > > > > > at org.noggit.JSONParser.err(JSONParser.java:356) >> > > > > > > > > at org.noggit.JSONParser.handleNonDoubleQuoteString( >> > > > > > > JSONParser.java:712) >> > > > > > > > > at org.noggit.JSONParser.next(JSONParser.java:886) >> > > > > > > > > at org.noggit.JSONParser.nextEvent(JSONParser.java:930) >> > > > > > > > > at org.apache.solr.client.solrj.i >> o.stream.JSONTupleStream. >> > > > > > > > > expect(JSONTupleStream.java:97) >> > > > > > > > > at org.apache.solr.client.solrj.i >> o.stream.JSONTupleStream. >> > > > > > > > > advanceToDocs(JSONTupleStream.java:179) >> > > > > > > > > at org.apache.solr.client.solrj.i >> o.stream.JSONTupleStream. >> > > > > > > > > next(JSONTupleStream.java:77) >> > > > > > > > > at org.apache.solr.client.solrj.i >> o.stream.SolrStream.read( >> > > > > > > > > SolrStream.java:207) >> > > > > > > > > ... 8 more >> > > > > > > > > >> > > > > > > > > >> > > > > > > > > Regards, >> > > > > > > > > Edwin >> > > > > > > > > >> > > > > > > > > >> > > > > > > > > On 14 March 2017 at 00:26, Joel Bernstein < >> > joels...@gmail.com> >> > > > > > wrote: >> > > > > > > > > >> > > > > > > > >> Syntax looks ok. The logs should have a stack trace. >> > > > > > > > >> >> > > > > > > > >> One thing it could be is that gatherNodes will only work >> on >> > > > single >> > > > > > > value >> > > > > > > > >> fields currently. >> > > > > > > > >> >> > > > > > > > >> Joel Bernstein >> > > > > > > > >> http://joelsolr.blogspot.com/ >> > > > > > > > >> >> > > > > > > > >> On Mon, Mar 13, 2017 at 1:59 AM, Zheng Lin Edwin Yeo < >> > > > > > > > >> edwinye...@gmail.com> >> > > > > > > > >> wrote: >> > > > > > > > >> >> > > > > > > > >> > Hi, >> > > > > > > > >> > >> > > > > > > > >> > I am getting this error when I tried to run a query for >> > > Graph >> > > > > > > > Traversal >> > > > > > > > >> > using Streaming Expressions: >> > > > > > > > >> > >> > > > > > > > >> > { >> > > > > > > > >> > "result-set":{ >> > > > > > > > >> > "docs":[{ >> > > > > > > > >> > "EXCEPTION":"java.util. >> > > concurrent.ExecutionException: >> > > > > > > > >> > java.lang.RuntimeException: java.io.IOException: >> > > > > > > > >> > java.util.concurrent.ExecutionException: >> > > java.io.IOException: >> > > > > --> >> > > > > > > > >> > http://localhost:8983/solr/email/: An exception has >> > > occurred >> > > > on >> > > > > > the >> > > > > > > > >> > server, >> > > > > > > > >> > refer to server log for details.", >> > > > > > > > >> > "EOF":true, >> > > > > > > > >> > "RESPONSE_TIME":11}]}} >> > > > > > > > >> > >> > > > > > > > >> > >> > > > > > > > >> > Below is my query: >> > > > > > > > >> > >> > > > > > > > >> > http://locahost:8983/solr/emai >> l/stream?expr=gatherNodes( >> > > email >> > > > , >> > > > > > > > >> > walk="ed...@mail.com->from", >> > > > > > > > >> > gather="to")&indent=true >> > > > > > > > >> > >> > > > > > > > >> > What could be the reason? >> > > > > > > > >> > >> > > > > > > > >> > I'm using Solr 6.4.1 at the moment. >> > > > > > > > >> > >> > > > > > > > >> > Regards, >> > > > > > > > >> > Edwin >> > > > > > > > >> > >> > > > > > > > >> >> > > > > > > > > >> > > > > > > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > >> > > >> > >> > >
