Re: Search Query with editdistance - throws Null Pointer
What's the full stack trace in your server logs? Regards, Alex. Sign up for my Solr resources newsletter at http://www.solr-start.com/ On 17 December 2014 at 16:58, Trilok Prithvi trilok.prit...@gmail.com wrote: When I run the following query (Solr 4.10.2) with edit-distance, I'm getting a null pointer exception: *host/solr/select?q=fld:(Event ID)fl=strdist(eventid,fld_alphaonly,edit)* responselst name=errorstr name=tracejava.lang.NullPointerException /strint name=code500/int/lst/response It works if I remove the space between Event ID, like: *host/solr/select?q=fld:(EventID)fl=strdist(eventid,fld_alphaonly,edit)* Here is the schema details: field name=fld type=text indexed=true stored=true/ field name=fld_alphaonly type=alphaonly indexed=true stored=true/ copyField source=fld dest=fld_alphaonly / fieldType name=alphaonly class=solr.TextField sortMissingFirst=true omitNorms=true analyzer charFilter class= solr.HTMLStripCharFilterFactory/ filter class= solr.LowerCaseFilterFactory/ filter class= solr.PatternReplaceFilterFactory pattern=([^a-z]) replacement= replace =all/ tokenizer class=solr.KeywordTokenizerFactory/ /analyzer / fieldType fieldType name=text class=solr.TextField positionIncrementGap=100 analyzer tokenizer class= solr.StandardTokenizerFactory/ filter class=solr.StandardFilterFactory / filter class=solr.TrimFilterFactory/ filter class= solr.ICUFoldingFilterFactory/ /analyzer /fieldType Any suggestions would be appreciated. Thanks Trilok
Re: Search Query with editdistance - throws Null Pointer
: When I run the following query (Solr 4.10.2) with edit-distance, I'm : getting a null pointer exception: : : *host/solr/select?q=fld:(Event : ID)fl=strdist(eventid,fld_alphaonly,edit)* probably this bug: https://issues.apache.org/jira/browse/SOLR-6540 : responselst name=errorstr name=tracejava.lang.NullPointerException : /strint name=code500/int/lst/response : : It works if I remove the space between Event ID, like: : *host/solr/select?q=fld:(EventID)fl=strdist(eventid,fld_alphaonly,edit)* because that's a different query, so it matches different docs, so when you ask for the fl you get differnet things (evidently some docs have the fld_alphaonly field, and some docs don't) -Hoss http://www.lucidworks.com/
Re: Search Query with editdistance - throws Null Pointer
Here is the stack trace... java.lang.NullPointerException at org.apache.lucene.search.spell.LevensteinDistance.getDistance(LevensteinDistance.java:66) at org.apache.solr.search.function.distance.StringDistanceFunction$1.floatVal(StringDistanceFunction.java:54) at org.apache.lucene.queries.function.valuesource.ProductFloatFunction.func(ProductFloatFunction.java:40) at org.apache.lucene.queries.function.valuesource.MultiFloatFunction$1.floatVal(MultiFloatFunction.java:71) at org.apache.lucene.queries.function.docvalues.FloatDocValues.objectVal(FloatDocValues.java:71) at org.apache.solr.response.transform.ValueSourceAugmenter.transform(ValueSourceAugmenter.java:99) at org.apache.solr.response.TextResponseWriter.writeDocuments(TextResponseWriter.java:252) at org.apache.solr.response.TextResponseWriter.writeVal(TextResponseWriter.java:170) at org.apache.solr.response.XMLWriter.writeResponse(XMLWriter.java:112) at org.apache.solr.response.XMLResponseWriter.write(XMLResponseWriter.java:40) at org.apache.solr.servlet.SolrDispatchFilter.writeResponse(SolrDispatchFilter.java:765) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:426) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:207) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) at org.apache.coyote.ajp.AjpAprProcessor.process(AjpAprProcessor.java:190) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607) at org.apache.tomcat.util.net.AprEndpoint$SocketWithOptionsProcessor.run(AprEndpoint.java:2378) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) On Thu, Dec 18, 2014 at 3:06 PM, Chris Hostetter hossman_luc...@fucit.org wrote: : When I run the following query (Solr 4.10.2) with edit-distance, I'm : getting a null pointer exception: : : *host/solr/select?q=fld:(Event : ID)fl=strdist(eventid,fld_alphaonly,edit)* probably this bug: https://issues.apache.org/jira/browse/SOLR-6540 : responselst name=errorstr name=tracejava.lang.NullPointerException : /strint name=code500/int/lst/response : : It works if I remove the space between Event ID, like: : *host/solr/select?q=fld:(EventID)fl=strdist(eventid,fld_alphaonly,edit)* because that's a different query, so it matches different docs, so when you ask for the fl you get differnet things (evidently some docs have the fld_alphaonly field, and some docs don't) -Hoss http://www.lucidworks.com/
Re: Search Query with editdistance - throws Null Pointer
Thanks Hoss. But how do we avoid this error? Is there anyway to tweak the query and return empty result instead of null pointer exception? On Thu, Dec 18, 2014 at 4:31 PM, Trilok Prithvi trilok.prit...@gmail.com wrote: Here is the stack trace... java.lang.NullPointerException at org.apache.lucene.search.spell.LevensteinDistance.getDistance(LevensteinDistance.java:66) at org.apache.solr.search.function.distance.StringDistanceFunction$1.floatVal(StringDistanceFunction.java:54) at org.apache.lucene.queries.function.valuesource.ProductFloatFunction.func(ProductFloatFunction.java:40) at org.apache.lucene.queries.function.valuesource.MultiFloatFunction$1.floatVal(MultiFloatFunction.java:71) at org.apache.lucene.queries.function.docvalues.FloatDocValues.objectVal(FloatDocValues.java:71) at org.apache.solr.response.transform.ValueSourceAugmenter.transform(ValueSourceAugmenter.java:99) at org.apache.solr.response.TextResponseWriter.writeDocuments(TextResponseWriter.java:252) at org.apache.solr.response.TextResponseWriter.writeVal(TextResponseWriter.java:170) at org.apache.solr.response.XMLWriter.writeResponse(XMLWriter.java:112) at org.apache.solr.response.XMLResponseWriter.write(XMLResponseWriter.java:40) at org.apache.solr.servlet.SolrDispatchFilter.writeResponse(SolrDispatchFilter.java:765) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:426) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:207) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) at org.apache.coyote.ajp.AjpAprProcessor.process(AjpAprProcessor.java:190) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607) at org.apache.tomcat.util.net.AprEndpoint$SocketWithOptionsProcessor.run(AprEndpoint.java:2378) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) On Thu, Dec 18, 2014 at 3:06 PM, Chris Hostetter hossman_luc...@fucit.org wrote: : When I run the following query (Solr 4.10.2) with edit-distance, I'm : getting a null pointer exception: : : *host/solr/select?q=fld:(Event : ID)fl=strdist(eventid,fld_alphaonly,edit)* probably this bug: https://issues.apache.org/jira/browse/SOLR-6540 : responselst name=errorstr name=tracejava.lang.NullPointerException : /strint name=code500/int/lst/response : : It works if I remove the space between Event ID, like: : *host/solr/select?q=fld:(EventID)fl=strdist(eventid,fld_alphaonly,edit)* because that's a different query, so it matches different docs, so when you ask for the fl you get differnet things (evidently some docs have the fld_alphaonly field, and some docs don't) -Hoss http://www.lucidworks.com/
Re: Search Query with editdistance - throws Null Pointer
: But how do we avoid this error? : Is there anyway to tweak the query and return empty result instead of null : pointer exception? did you look at the issue i linked to? : probably this bug: https://issues.apache.org/jira/browse/SOLR-6540 A workarround in some contexts can be to wrap the strdist function in an if that checks exists(fieldname) and returns some suitable default if it's not found. THIS:if(exists(field_name_s),strdist(literal,field_name_s,edit),0) INSTEAD OF: strdist(literal,field_name_s,edit) -Hoss http://www.lucidworks.com/
