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我正在尝试通过SOLR和Lucene为文档中的文件建立索引。

[英]I'm trying to index files in a document through SOLR and lucene..

原文 2012-11-06 05:55:33 9 2 java/ solr/ lucene

as i said in the title: i am using Java, but when I run the code on Eclipse, i get the following error.. 正如我在标题中所说：我正在使用Java，但是当我在Eclipse上运行代码时，出现以下错误。

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/lucene/analysis/util/ResourceLoader at Indexer.getIndexWriter(Indexer.java:38) at Indexer.rebuildIndexes(Indexer.java:73) at SolrIndexer.main(SolrIndexer.java:23) Caused by: java.lang.ClassNotFoundException: org.apache.lucene.analysis.util.ResourceLoader at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) ... 3 more 线程“ main”中的异常java.lang.NoClassDefFoundError：索引为Indexer.getIndexWriter（Indexer.java:38）的org / apache / lucene / analysis / util / ResourceLoader索引为SolrIndexer.main（）的Indexer.rebuildIndexes（Indexer.java:73） SolrIndexer.java:23）原因：java.lang.ClassNotFoundException：org.apache.lucene.analysis.util.ResourceLoader at java.net.URLClassLoader $ 1.run（URLClassLoader.java:202）at java.security.AccessController.doPrivileged （本机方法）在java.net.URLClassLoader.findClass（URLClassLoader.java:190）在java.lang.ClassLoader.loadClass（ClassLoader.java:306）在sun.misc.Launcher $ AppClassLoader.loadClass（Launcher.java:301））at java.lang.ClassLoader.loadClass（ClassLoader.java:247）...还有3个

The SAD PART: the class org.apache.lucene.analysis.util.ResourceLoader is not available in Lucene 4.0/3.6/4.0-ALPHA . SAD部分： Lucene 4.0/3.6/4.0-ALPHA没有org.apache.lucene.analysis.util.ResourceLoader类。 although, there are a few webpages where people are talking about the resourceloader class. 但是，在一些网页上人们正在谈论resourceloader类。

can anyone help me out here? 有人可以帮我从这里出去吗？ Any help would be appreciated.. 任何帮助，将不胜感激..

2 个解决方案

The common analysers have been move lucene-analyzers-common-XXXjar as a result of LUCENE-2510 由于LUCENE-2510 ，常见的分析仪已移至lucene-analyzers-common-XXXjar
Ensure that you have it in your classpath. 确保在类路径中有它。

Looks like this class: org.apache.lucene.analysis.util.ResourceLoader cannot be found. 看起来像此类：找不到org.apache.lucene.analysis.util.ResourceLoader 。 Are you sure that all your required 3rd party libraries are on your class path? 您确定所有必需的第三方库都在您的课堂上吗？

According to this API URL, it seems that the interface is available 4.0.0-Alpha. 根据此 API URL，该接口似乎在4.0.0-Alpha中可用。 Maybe you could try to revert to this version and see if it works? 也许您可以尝试还原到该版本，然后查看它是否有效？