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From Joel Bernstein <joels...@gmail.com>
Subject Re: solr 7.x sql query returns null
Date Thu, 18 Apr 2019 14:17:26 GMT
I ask this because SQL/JDBC may return a similar error if you try to run it
on a non-Solr Cloud index.


Joel Bernstein
http://joelsolr.blogspot.com/


On Thu, Apr 18, 2019 at 10:16 AM Joel Bernstein <joelsolr@gmail.com> wrote:

> Was the original index a Solr Cloud index?
>
>
>
> Joel Bernstein
> http://joelsolr.blogspot.com/
>
>
> On Thu, Apr 18, 2019 at 7:48 AM David Barnett <dave.b@bahwancybertek.com>
> wrote:
>
>> I have a large solr 7.3 collection 400m + documents.
>>
>> I’m trying to use the Solr JDBC driver to query the data but I get a
>>
>>
>> java.io.IOException: Failed to execute sqlQuery 'select id from document
>> limit 10' against JDBC connection 'jdbc:calcitesolr:'.
>> Error while executing SQL "select id from document limit 10": null
>>
>>
>>
>>
>> If I export the documents to JSON and reimport (after a full delete it
>> works without issue but obviously this is not a fix or understanding the
>> issue)
>>
>>
>>
>> Several things I’ve tried try to eliminate the issue but with no success:
>>
>> I’ve tried upgrading to Solr 7.7
>>
>> I’ve run the UpgradeTool on the index
>>
>> I’ve tried replicating the collection to a new instance
>>
>>
>> I am unable to understand what it is within the collection causing the
>> issue, can you suggest a way for me to get more details about the fault
>>
>>
>> Here is the full stack trace from the Logging interface Admin UI:
>>
>>
>> java.io.IOException: Failed to execute sqlQuery 'select id from document
>> limit 10' against JDBC connection 'jdbc:calcitesolr:'.
>> Error while executing SQL "select id from document limit 10": null
>>         at
>> org.apache.solr.client.solrj.io.stream.JDBCStream.open(JDBCStream.java:271)
>>         at
>> org.apache.solr.client.solrj.io.stream.ExceptionStream.open(ExceptionStream.java:54)
>>         at
>> org.apache.solr.handler.StreamHandler$TimerStream.open(StreamHandler.java:394)
>>         at
>> org.apache.solr.client.solrj.io.stream.TupleStream.writeMap(TupleStream.java:78)
>>         at
>> org.apache.solr.common.util.JsonTextWriter.writeMap(JsonTextWriter.java:164)
>>         at
>> org.apache.solr.common.util.TextWriter.writeVal(TextWriter.java:69)
>>         at
>> org.apache.solr.response.TextResponseWriter.writeVal(TextResponseWriter.java:152)
>>         at
>> org.apache.solr.common.util.JsonTextWriter.writeNamedListAsMapWithDups(JsonTextWriter.java:386)
>>         at
>> org.apache.solr.common.util.JsonTextWriter.writeNamedList(JsonTextWriter.java:292)
>>         at
>> org.apache.solr.response.JSONWriter.writeResponse(JSONWriter.java:73)
>>         at
>> org.apache.solr.response.JSONResponseWriter.write(JSONResponseWriter.java:66)
>>         at
>> org.apache.solr.response.QueryResponseWriterUtil.writeQueryResponse(QueryResponseWriterUtil.java:65)
>>         at
>> org.apache.solr.servlet.HttpSolrCall.writeResponse(HttpSolrCall.java:788)
>>         at
>> org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:525)
>>         at
>> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:395)
>>         at
>> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:341)
>>         at
>> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1602)
>>         at
>> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540)
>>         at
>> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
>>         at
>> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
>>         at
>> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
>>         at
>> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
>>         at
>> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1588)
>>         at
>> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
>>         at
>> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)
>>         at
>> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
>>         at
>> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)
>>         at
>> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1557)
>>         at
>> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
>>         at
>> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)
>>         at
>> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
>>         at
>> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:220)
>>         at
>> org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126)
>>         at
>> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
>>         at
>> org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:335)
>>         at
>> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
>>         at org.eclipse.jetty.server.Server.handle(Server.java:502)
>>         at
>> org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364)
>>         at
>> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260)
>>         at org.eclipse.jetty.io
>> .AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305)
>>         at org.eclipse.jetty.io
>> .FillInterest.fillable(FillInterest.java:103)
>>         at org.eclipse.jetty.io
>> .ChannelEndPoint$2.run(ChannelEndPoint.java:118)
>>         at
>> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
>>         at
>> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
>>         at
>> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
>>         at
>> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
>>         at
>> org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
>>         at
>> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765)
>>         at
>> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683)
>>         at java.lang.Thread.run(Unknown Source)
>> Caused by: java.sql.SQLException: Error while executing SQL "select id
>> from document limit 10": null
>>         at
>> org.apache.calcite.avatica.Helper.createException(Helper.java:56)
>>         at
>> org.apache.calcite.avatica.Helper.createException(Helper.java:41)
>>         at
>> org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:156)
>>         at
>> org.apache.calcite.avatica.AvaticaStatement.executeQuery(AvaticaStatement.java:218)
>>         at
>> org.apache.solr.client.solrj.io.stream.JDBCStream.open(JDBCStream.java:269)
>>         ... 49 more
>> Caused by: java.lang.NullPointerException
>>         at
>> org.apache.calcite.plan.volcano.VolcanoPlanner.validate(VolcanoPlanner.java:891)
>>         at
>> org.apache.calcite.plan.volcano.VolcanoPlanner.register(VolcanoPlanner.java:866)
>>         at
>> org.apache.calcite.plan.volcano.VolcanoPlanner.ensureRegistered(VolcanoPlanner.java:883)
>>         at
>> org.apache.calcite.plan.volcano.VolcanoPlanner.ensureRegistered(VolcanoPlanner.java:101)
>>         at
>> org.apache.calcite.rel.AbstractRelNode.onRegister(AbstractRelNode.java:336)
>>         at
>> org.apache.calcite.plan.volcano.VolcanoPlanner.registerImpl(VolcanoPlanner.java:1496)
>>         at
>> org.apache.calcite.plan.volcano.VolcanoPlanner.register(VolcanoPlanner.java:863)
>>         at
>> org.apache.calcite.plan.volcano.VolcanoPlanner.ensureRegistered(VolcanoPlanner.java:883)
>>         at
>> org.apache.calcite.plan.volcano.VolcanoPlanner.ensureRegistered(VolcanoPlanner.java:101)
>>         at
>> org.apache.calcite.rel.AbstractRelNode.onRegister(AbstractRelNode.java:336)
>>         at
>> org.apache.calcite.plan.volcano.VolcanoPlanner.registerImpl(VolcanoPlanner.java:1496)
>>         at
>> org.apache.calcite.plan.volcano.VolcanoPlanner.setRoot(VolcanoPlanner.java:308)
>>         at org.apache.calcite.tools.Programs$5.run(Programs.java:309)
>>         at
>> org.apache.calcite.tools.Programs$SequenceProgram.run(Programs.java:387)
>>         at org.apache.calcite.prepare.Prepare.optimize(Prepare.java:186)
>>         at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:319)
>>         at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:228)
>>         at
>> org.apache.calcite.prepare.CalcitePrepareImpl.prepare2_(CalcitePrepareImpl.java:784)
>>         at
>> org.apache.calcite.prepare.CalcitePrepareImpl.prepare_(CalcitePrepareImpl.java:639)
>>         at
>> org.apache.calcite.prepare.CalcitePrepareImpl.prepareSql(CalcitePrepareImpl.java:609)
>>         at
>> org.apache.calcite.jdbc.CalciteConnectionImpl.parseQuery(CalciteConnectionImpl.java:214)
>>         at
>> org.apache.calcite.jdbc.CalciteMetaImpl.prepareAndExecute(CalciteMetaImpl.java:603)
>>         at
>> org.apache.calcite.avatica.AvaticaConnection.prepareAndExecuteInternal(AvaticaConnection.java:638)
>>         at
>> org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:149)
>>
>>
>>
>> Thanks Dave
>>
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>

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