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From "Guido (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SOLR-6167) SolrDocumentList cannot be cast to ResultContext on Solr 4.8.0
Date Fri, 13 Jun 2014 21:57:01 GMT

     [ https://issues.apache.org/jira/browse/SOLR-6167?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Guido updated SOLR-6167:
------------------------

    Fix Version/s:     (was: 4.8)

> SolrDocumentList cannot be cast to ResultContext on Solr 4.8.0
> --------------------------------------------------------------
>
>                 Key: SOLR-6167
>                 URL: https://issues.apache.org/jira/browse/SOLR-6167
>             Project: Solr
>          Issue Type: Bug
>          Components: clients - php
>    Affects Versions: 4.8
>         Environment: Linux
>            Reporter: Guido
>              Labels: ResultContext, SolrSolrDocumentList, solrcloud
>
> Hello,
> I have a running instance of Solr 4.2.1 (I will refer to it as 'instance A') and I am
trying to pass to Solr 4.8.0. For this purpose, I created a copy of the machine which hosts
'instance A' (I will refer to the copy as 'instance B') and, on this new machine, I have installed
Solr 4.8.0 and I have created a collection with 4 shards. Then, on the new machine, I have
iterated over a copy of the index built on instance A and I have re-indexed all the documents
and inserted them inside the new collection of Solr 4.8.0. I have completed this process,
the two index seem to contain the same documents and I am successfully able to query properly
both the indexes.
> When I try to run the following query on 'instance A':
> http://instance_A_ip:23332/solr/myindex/query?q=id%3Amyid&fl=html&wt=html
> I get a well formatted html response. Unfortunately, when I try the same query on the
'instance B'
> http://instance_A_ip:23332/solr/mycollection/query?q=id%3Amyid&fl=html&wt=html
> I receive the following error code:
> HTTP Status 500 - {msg=org.apache.solr.common.SolrDocumentList cannot be cast to org.apache.solr.response.ResultContext,trace=java.lang.ClassCastException:
org.apache.solr.common.SolrDocumentList cannot be cast to org.apache.solr.response.ResultContext
at my.library.solr.HtmlResponseWriter.write(HtmlResponseWriter.java:33) at org.apache.solr.servlet.SolrDispatchFilter.writeResponse(SolrDispatchFilter.java:762)
at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:431) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:207)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Thread.java:744)
,code=500}
> This is the error that I grep from the solr log file:
>  org.apache.solr.common.SolrException; null:java.lang.ClassCastException: org.apache.solr.common.SolrDocumentList
cannot be cast to org.apache.solr.response.ResultContext
>         at my.library.solr.HtmlResponseWriter.write(HtmlResponseWriter.java:33)
>         at org.apache.solr.servlet.SolrDispatchFilter.writeResponse(SolrDispatchFilter.java:762)
>         at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:431)
>         at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:207)
>         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
>         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
>         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
>         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
>         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
>         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
>         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
>         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
>         at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
>         at java.lang.Thread.run(Thread.java:744)
> 		
> This is the error that I grep from the tomcat log file:		
> 		
> org.apache.solr.servlet.SolrDispatchFilter  – null:java.lang.ClassCastException: org.apache.solr.common.SolrDocumentList
cannot be cast to org.apache.solr.response.ResultContext
>         at my.library.solr.HtmlResponseWriter.write(HtmlResponseWriter.java:33)
>         at org.apache.solr.servlet.SolrDispatchFilter.writeResponse(SolrDispatchFilter.java:762)
>         at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:431)
>         at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:207)
>         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
>         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
>         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
>         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
>         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
>         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
>         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
>         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
>         at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
>         at java.lang.Thread.run(Thread.java:744)
> The differences between instance A and instance B are:
> - the Solr versions
> - on instance A, I am using a single Solr instance (without Solr Cloud)
> - on instance B, I am using Solr Cloud and I created a collection with 4 shards
> - I removed a couple of not necessary fields inside the schema of the instance B when
I created the collection (before to load documents) and I loaded documents according to the
new schema (I have not loaded the removed fields)
> The instance B is installed on a clone of the machine on which instance A is running,
so the software stack as well as the hardware are the same. On both the machines I have installed
Apache Tomcat 6.0.37.
> If I try to run the same query on instance B by specifying wt=csv I obtain the right
field value, but unfortunately it's not a well formatted html reply.
> Inside the schema on instance A, these are the information related to the html field:
> Field: html
> Flags:    Stored
> Properties  yes	
> Schema      yes
> Field-Type: org.apache.solr.schema.StrField
> Index Analyzer: org.apache.solr.schema.FieldType$DefaultAnalyzer
> Query Analyzer: org.apache.solr.schema.FieldType$DefaultAnalyzer
> Inside the schema on instance B, these are the information related to the html field:
> Field: html
> Flags:    Stored  Sort Missing Last
> Properties  yes     yes	
> Schema      yes     yes
> Field-Type: org.apache.solr.schema.StrField
> Index Analyzer: org.apache.solr.schema.FieldType$DefaultAnalyzer
> Query Analyzer: org.apache.solr.schema.FieldType$DefaultAnalyzer
> Do you know if there is a way to execute on a Solr cloud collection with Solr 4.8.0 this
same query that I am successfully able to execute on my single instance of Solr 4.2.1?
> I would really appreciate every suggestion about it. Please, let me know if you need
any further information.
> Thank you.
> Best Regards,
> Guido



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