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From Alan Woodward <a...@flax.co.uk>
Subject Re: ArrayIndexOutOfBoundsException trying to use tokenizer in Lucene 4.1
Date Tue, 26 Feb 2013 13:29:35 GMT
Hi Paul,

You need to call tokenizer.reset() before you call incrementToken()

Alan Woodward
www.flax.co.uk


On 26 Feb 2013, at 12:26, Paul Taylor wrote:

> This works in 3.6, but in 4.1 fails whats wrong with the code
> 
> public void testTokenization() throws IOException
>    {
>        StringBuffer sb = new StringBuffer();
> 
> 
>        for(char i=0;i<100;i++)
>        {
>            Character c = new Character(i);
>            if(!Character.isWhitespace(c)) {
>                sb.append(new Character(i).toString() + ' ');
>            }
>        }
>        System.out.println(sb.toString());
>        Tokenizer tokenizer = new WhitespaceTokenizer(LuceneVersion.LUCENE_VERSION,new
StringReader(sb.toString()));
>        while(tokenizer.incrementToken())
>        {
>            System.out.println("inctoken");
> 
>        }
>    }
> 
> throwing exception
> 
> java.lang.ArrayIndexOutOfBoundsException: -1
>    at java.lang.Character.codePointAtImpl(Character.java:2405)
>    at java.lang.Character.codePointAt(Character.java:2369)
>    at org.apache.lucene.analysis.util.CharacterUtils$Java5CharacterUtils.codePointAt(CharacterUtils.java:164)
>    at org.apache.lucene.analysis.util.CharTokenizer.incrementToken(CharTokenizer.java:166)
>    at org.musicbrainz.search.analysis.CompareNormalizationFiltersTest.testTokenization(CompareNormalizationFiltersTest.java:36)
>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>    at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
>    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
>    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
>    at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
>    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
>    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
>    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
>    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
>    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
>    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
>    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
>    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
>    at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
>    at org.junit.runner.JUnitCore.run(JUnitCore.java:157)
>    at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:76)
>    at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:195)
>    at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:63)
>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>    at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)
> 
> 
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