Lucene分词报错：”TokenStream contract violation: close() call missing”

Lucene使用IKAnalyzer分词时报错：”TokenStream contract violation: close() call missing” 解决办法是每次完成后必须调用关闭方法。

如果报错：java.lang.illegalstateexception: tokenstream contract violation: reset()/close() call missing,则要在tokenStream.incrementToken()，原因是lucene从4.6.0开始tokenstream使用方法更改的问题，在使用incrementtoken方法前必须调用reset方法，详见api http://lucene.apache.org/core/4_6_0/core/index.html 。

以下正确示例代码(第10行和22行调用reset()和close()方法)：

public Set<String> slicing(String text){Set<String> result = new HashSet<>();StringReader reader = null;TokenStream tokenStream = null;try {reader = new StringReader(text);tokenStream = analyzer.tokenStream("", reader);  CharTermAttribute charTermAttribute  = tokenStream.getAttribute(CharTermAttribute.class); OffsetAttribute offsetAttribute = tokenStream.addAttribute(OffsetAttribute.class);  tokenStream.reset();while (tokenStream.incrementToken()) {  int startOffset = offsetAttribute.startOffset();  int endOffset   = offsetAttribute.endOffset();if((endOffset - startOffset) > 1){String term = charTermAttribute.toString(); result.add(term);}}  } catch (IOException e) {e.printStackTrace();} finally{IOs.close(tokenStream, reader);}return result;
}

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org.wltea.analyzer.lucene.IKAnalyzer

Exception in thread "main" java.lang.IllegalStateException: 词典尚未初始化，请先调用initial方法
at org.wltea.analyzer.dic.Dictionary.getSingleton(Dictionary.java:137)
at org.wltea.analyzer.core.CJKSegmenter.analyze(CJKSegmenter.java:80)
at org.wltea.analyzer.core.IKSegmenter.next(IKSegmenter.java:116)
at org.wltea.analyzer.lucene.IKTokenizer.incrementToken(IKTokenizer.java:88)

转载于:https://www.cnblogs.com/softidea/p/6084043.html

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Lucene分词报错：”TokenStream contract violation: close() call missing”

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