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From Jan Høydahl (JIRA) <j...@apache.org>
Subject [jira] [Commented] (SOLR-7084) FreeTextSuggester Nullpointer when building dictionary
Date Mon, 09 Feb 2015 11:15:34 GMT

    [ https://issues.apache.org/jira/browse/SOLR-7084?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14312110#comment-14312110
] 

Jan Høydahl commented on SOLR-7084:
-----------------------------------

This may not be as severe as I first thought, as the JSON response is well formed, containing
an {{error}} element and no {{msg}} node explaining why. A more direct handling of the situation
where fst==null with a proper msg code would be good. Perhaps also {{SERVICE_NOT_AVAILABLE}}
is better than the current 500 server error.

> FreeTextSuggester Nullpointer when building dictionary
> ------------------------------------------------------
>
>                 Key: SOLR-7084
>                 URL: https://issues.apache.org/jira/browse/SOLR-7084
>             Project: Solr
>          Issue Type: Bug
>          Components: Suggester
>    Affects Versions: 4.10.2
>            Reporter: Jan Høydahl
>            Assignee: Jan Høydahl
>             Fix For: 4.10.4, Trunk, 5.1
>
>
> Using {{FreeTextSuggester}}. When starting Solr or reloading core, all suggest requests
will fail due to a {{Nullpointer}}. There is a {{HTTP 500}} response code with the following
body. Note that the error returned does not have a {{msg}} section but only a trace:
> {code}
> {
>   "error":{
>     "trace":"java.lang.NullPointerException\n\tat org.apache.lucene.search.suggest.analyzing.FreeTextSuggester.lookup(FreeTextSuggester.java:542)\n\tat
org.apache.lucene.search.suggest.analyzing.FreeTextSuggester.lookup(FreeTextSuggester.java:440)\n\tat
org.apache.lucene.search.suggest.analyzing.FreeTextSuggester.lookup(FreeTextSuggester.java:429)\n\tat
org.apache.solr.spelling.suggest.SolrSuggester.getSuggestions(SolrSuggester.java:199)\n\tat

> ...
> {code}
> Offending line:
> {code}
>       BytesReader bytesReader = fst.getBytesReader();
> {code}
> The fst is null at this time.



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