是什么导致错误'一个 SPI 类型的 lucene.codecs.Codec 名称'Lucene42' [英] What causes err ' A SPI class of type lucene.codecs.Codec name 'Lucene42'

问题描述

无法弄清楚是什么原因导致不存在名称为Lucene42"的 org.apache.lucene.codecs.Codec 类型的 SPI 类.您需要将支持此 SPI 的相应 JAR 文件添加到您的类路径中'

Can't figure out what is causing ' A SPI class of type org.apache.lucene.codecs.Codec with name 'Lucene42' does not exist. You need to add the corresponding JAR file supporting this SPI to your classpath'

任何帮助将不胜感激

java.lang.IllegalArgumentException: A SPI class of type org.apache.lucene.codecs.Codec with name 'Lucene42' does not exist. You need to add the corresponding JAR file supporting this SPI to your classpath.The current classpath supports the following names: []
org.apache.lucene.util.NamedSPILoader.lookup(NamedSPILoader.java:104)
org.apache.lucene.codecs.Codec.forName(Codec.java:95)
org.apache.lucene.codecs.Codec.<clinit>(Codec.java:122)
org.apache.lucene.index.LiveIndexWriterConfig.<init>(LiveIndexWriterConfig.java:118)
org.apache.lucene.index.IndexWriterConfig.<init>(IndexWriterConfig.java:145)
com.damn.fr.rr.rent.getResukt(Man.java:404)
com.damn.fr.rr.handler.pg.setResult(pg.java:103)
com.damn.fr.rr.cmd.del.execute(del.java:19)
com.damn.fr.rr.servlet.PublicController.doPost(controller.java:199)
javax.servlet.http.HttpServlet.service(HttpServlet.java:754)
javax.servlet.http.HttpServlet.service(HttpServlet.java:847)

Jboss 部署文件夹路径 'C:JBASmodulesorgapachelucenemain' 和目录内容

Jboss deployment folder path 'C:JBASmodulesorgapachelucenemain' and directory contents

jboss-deployment-structure.xml

jboss-deployment-structure.xml

    <sub-deployment name="damn.jar">
    <dependencies>
        <module name="org.apache.commons.fileupload" />
        <module name="org.apache.commons.io" />
        <module name="org.apache.commons.lang3" />
        <module name="org.apache.commons.validator" />
        <module name="org.apache.lucene" />
        <module name="net.sf.jasperreports" />
        <module name="com.google.gson" />

    </dependencies>
</sub-deployment>

模块.xml

<module xmlns="urn:jboss:module:1.0" name="org.apache.lucene">
<resources>
<resource-root path="lucene-analyzers-common-4.2.0.jar"/>
<resource-root path="lucene-core-4.2.0.jar"/>
<resource-root path="lucene-queryparser-4.2.0.jar"/>
<resource-root path="lucene-codecs-4.2.0.jar"/>
</resources>

<dependencies>
</dependencies>

ant 构建文件段

<pathelement path="${thirdPartyDir}/lucene-analyzers-common-4.2.0.jar" />
<pathelement path="${thirdPartyDir}/lucene-codecs-4.2.0.jar" />
<pathelement path="${thirdPartyDir}/lucene-queryparser-  4.2.0.jar" />
<pathelement path="${thirdPartyDir}/lucene-core-4.2-SNAPSHOT.jar" />

推荐答案

请添加以下文件

文件夹:META-INF/services/

文件:org.apache.lucene.codecs.Codec

文本:org.apache.lucene.codecs.lucene54.Lucene54Codec

请在 https://anwaarlabs.wordpress.com/2017/02/25/lucene-an-spi-class-of-type-org-apache-lucene-codecs-codec-with-name-does-not-exist/

此解决方案是为 Lucene5.4 定义的，它也适用于 Lucene 4.2.谢谢

This solution is defined for Lucene5.4 it also works for Lucene 4.2. Thanks

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