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https://issues.apache.org/jira/browse/SOLR-2726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13102375#comment-13102375
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Robert Muir commented on SOLR-2726:
-----------------------------------
In my opinion, since the base class SolrSpellChecker has this 'analyzer' field
(that it wants to be non-null),
it should at least take care of it in its init() method, and we should make
sure subclasses call super.init(args) in their init() methods.
When i had this bug in directspellchecker i copied-pasted the below code from
AbstractLuceneSpellChecker to fix it, but i think its dumb
to put this in every spellchecker subclass, and its trappy for someone trying
to implement their own spellchecker:
{noformat}
if (field != null && core.getSchema().getFieldTypeNoEx(field) != null) {
analyzer = core.getSchema().getFieldType(field).getQueryAnalyzer();
}
fieldTypeName = (String) config.get(FIELD_TYPE);
if (core.getSchema().getFieldTypes().containsKey(fieldTypeName)) {
FieldType fieldType = core.getSchema().getFieldTypes().get(fieldTypeName);
analyzer = fieldType.getQueryAnalyzer();
}
if (analyzer == null) {
LOG.info("Using WhitespaceAnalyzer for dictionary: " + name);
analyzer = new
WhitespaceAnalyzer(core.getSolrConfig().luceneMatchVersion);
}
{noformat}
> NullPointerException when using spellcheck.q
> --------------------------------------------
>
> Key: SOLR-2726
> URL: https://issues.apache.org/jira/browse/SOLR-2726
> Project: Solr
> Issue Type: Bug
> Components: spellchecker
> Affects Versions: 3.3, 4.0
> Environment: ubuntu
> Reporter: valentin
> Labels: nullpointerexception, spellcheck
> Attachments: SOLR-2726.patch
>
>
> When I use spellcheck.q in my query to define what will be "spellchecked", I
> always have this error, for every configuration I try :
> java.lang.NullPointerException
> at
> org.apache.solr.handler.component.SpellCheckComponent.getTokens(SpellCheckComponent.java:476)
> at
> org.apache.solr.handler.component.SpellCheckComponent.process(SpellCheckComponent.java:131)
> at
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:202)
> at
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:129)
> at org.apache.solr.core.SolrCore.execute(SolrCore.java:1368)
> at
> org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:356)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:252)
> at
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
> at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)
> at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
> at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
> at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
> at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
> at
> org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
> at
> org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
> at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
> at org.mortbay.jetty.Server.handle(Server.java:326)
> at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
> at
> org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928)
> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
> at
> org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228)
> at
> org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
> All my other functions works great, this is the only thing which doesn't work
> at all, just when i add "&spellcheck.q=my%20sentence" in the query...
> Example of a query :
> http://localhost:8983/solr/db/suggest_full?q=american%20israel&spellcheck.q=american%20israel
> In solrconfig.xml :
> <searchComponent name="suggest_full" class="solr.SpellCheckComponent">
> <str name="queryAnalyzerFieldType">suggestTextFull</str>
> <lst name="spellchecker">
> <str name="name">suggest_full</str>
> <str name="classname">org.apache.solr.spelling.suggest.Suggester</str>
> <str
> name="lookupImpl">org.apache.solr.spelling.suggest.tst.TSTLookup</str>
> <str name="field">text_suggest_full</str>
> <str name="fieldType">suggestTextFull</str>
> </lst>
> </searchComponent>
> <requestHandler name="/suggest_full"
> class="org.apache.solr.handler.component.SearchHandler">
> <lst name="defaults">
> <str name="spellcheck">true</str>
> <str name="spellcheck.dictionary">suggest_full</str>
> <str name="spellcheck.count">10</str>
> <str name="spellcheck.onlyMorePopular">true</str>
> </lst>
> <arr name="components">
> <str>suggest_full</str>
> </arr>
> </requestHandler>
> I'm using SolR 3.3, and I tried it too on SolR 4.0
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