执行 solr 时出现异常 - 为以下内容构建建议者索引时出现异常： suggest

Question

org.apache.solr.handler.component.SuggestComponent  – Building suggester index for: suggest
org.apache.solr.spelling.suggest.SolrSuggester  – build()
ERROR org.apache.solr.core.SolrCore  – Exception in building suggester index for: suggest
java.lang.IllegalArgumentException: need at least one suggestion
at org.apache.lucene.search.suggest.analyzing.FreeTextSuggester.build(FreeTextSuggester.java:338)
at org.apache.lucene.search.suggest.analyzing.FreeTextSuggester.build(FreeTextSuggester.java:278)
at org.apache.lucene.search.suggest.Lookup.build(Lookup.java:165)
at org.apache.solr.spelling.suggest.SolrSuggester.build(SolrSuggester.java:142)
at org.apache.solr.handler.component.SuggestComponent$SuggesterListener.buildSuggesterIndex(SuggestComponent.java:488)
at org.apache.solr.handler.component.SuggestComponent$SuggesterListener.newSearcher(SuggestComponent.java:472)
at org.apache.solr.core.SolrCore$6.call(SolrCore.java:1716)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

我正在尝试使用 SOLR 组件和 solrconfig.xml、schema.xml 和 db-data-config.xml 文件导入数据，我认为数据源配置也很完美。当我执行 solr 时，显示上述错误。

您能否帮助解决这个问题并让我们知道问题是什么......

Answer 1

如果您的建议字段中有空值，则可能会发生这种情况。