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From "Uwe Schindler" <...@thetaphi.de>
Subject RE: Cannot instantiate SPI class: org.apache.lucene.codecs.lucene42.Lucene42Codec
Date Tue, 09 Apr 2013 10:20:46 GMT
This may be fixed in 4.2.1, but this depends on your setup. Are you using Lucene directly inside
ANT or is it just for compiling code?

Uwe

-----
Uwe Schindler
H.-H.-Meier-Allee 63, D-28213 Bremen
http://www.thetaphi.de
eMail: uwe@thetaphi.de


> -----Original Message-----
> From: Manivannan Selvadurai [mailto:manivannan@unmetric.com]
> Sent: Tuesday, April 09, 2013 11:52 AM
> To: java-user@lucene.apache.org
> Subject: Cannot instantiate SPI class:
> org.apache.lucene.codecs.lucene42.Lucene42Codec
> 
> Hi All,
> 
>                I'm facing this problem.
>  When i build a jar out of my project and try to run the program that invokes
> lucene part of the code, it gives me this exception
> 
> Exception in thread "main" java.util.ServiceConfigurationError: Cannot
> instantiate SPI class: org.apache.lucene.codecs.lucene42.Lucene42Codec
>         at
> org.apache.lucene.util.NamedSPILoader.reload(NamedSPILoader.java:72)
>         at
> org.apache.lucene.util.NamedSPILoader.<init>(NamedSPILoader.java:42)
>         at
> org.apache.lucene.util.NamedSPILoader.<init>(NamedSPILoader.java:37)
>         at org.apache.lucene.codecs.Codec.<clinit>(Codec.java:41)
>         at
> org.apache.lucene.index.LiveIndexWriterConfig.<init>(LiveIndexWriterConfi
> g.java:118)
>         at
> org.apache.lucene.index.IndexWriterConfig.<init>(IndexWriterConfig.java:1
> 45)
>  Caused by: java.lang.IllegalArgumentException: A SPI class of type
> org.apache.lucene.codecs.DocValuesFormat 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: [Facet42]
>         at
> org.apache.lucene.util.NamedSPILoader.lookup(NamedSPILoader.java:104)
>         at
> org.apache.lucene.codecs.DocValuesFormat.forName(DocValuesFormat.jav
> a:97)
>         at
> org.apache.lucene.codecs.lucene42.Lucene42Codec.<init>(Lucene42Codec.j
> ava:130)
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
>         at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructor
> AccessorImpl.java:39)
>         at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingCon
> structorAccessorImpl.java:27)
>         at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
>         at java.lang.Class.newInstance0(Class.java:357)
>         at java.lang.Class.newInstance(Class.java:310)
>         at
> org.apache.lucene.util.NamedSPILoader.reload(NamedSPILoader.java:62)
>         ... 7 more
> 
> 
> 
> I have the entry in  build.xml like this
> 
> *<path id="LuceneV4.2.userclasspath">*
> *        <pathelement location="../libs/luceneV4.2/commons-codec-
> 1.7.jar"/>*
> *        <pathelement
> location="../libs/luceneV4.2/commons-compress-1.4.1.jar"/>*
> *        <pathelement location="../libs/luceneV4.2/icu4j-49.1.jar"/>*
> *        <pathelement location="../libs/luceneV4.2/jakarta-regexp-1.4.jar"/>
> *
> *        <pathelement
> location="../libs/luceneV4.2/lucene-analyzers-common-4.2.0.jar"/>*
> *        <pathelement
> location="../libs/luceneV4.2/lucene-analyzers-icu-4.2.0.jar"/>*
> *        <pathelement
> location="../libs/luceneV4.2/lucene-analyzers-kuromoji-4.2.0.jar"/>*
> *        <pathelement
> location="../libs/luceneV4.2/lucene-analyzers-morfologik-4.2.0.jar"/>*
> *        <pathelement
> location="../libs/luceneV4.2/lucene-analyzers-phonetic-4.2.0.jar"/>*
> *        <pathelement
> location="../libs/luceneV4.2/lucene-analyzers-smartcn-4.2.0.jar"/>*
> *        <pathelement
> location="../libs/luceneV4.2/lucene-analyzers-stempel-4.2.0.jar"/>*
> *        <pathelement
> location="../libs/luceneV4.2/lucene-analyzers-uima-4.2.0.jar"/>*
> *        <pathelement
> location="../libs/luceneV4.2/lucene-benchmark-4.2.0.jar"/>*
> *        <pathelement
> location="../libs/luceneV4.2/lucene-classification-4.2.0.jar"/>*
> *        <pathelement
> location="../libs/luceneV4.2/lucene-codecs-4.2.0.jar"/>*
> *        <pathelement location="../libs/luceneV4.2/lucene-core-4.2.0.jar"/>*
> *        <pathelement location="../libs/luceneV4.2/lucene-facet-4.2.0.jar"/>
> *
> *        <pathelement
> location="../libs/luceneV4.2/lucene-grouping-4.2.0.jar"/>*
> *        <pathelement
> location="../libs/luceneV4.2/lucene-highlighter-4.2.0.jar"/>*
> *        <pathelement location="../libs/luceneV4.2/lucene-join-4.2.0.jar"/>*
> *        <pathelement
> location="../libs/luceneV4.2/lucene-memory-4.2.0.jar"/>*
> *        <pathelement location="../libs/luceneV4.2/lucene-misc-4.2.0.jar"/>*
> *        <pathelement
> location="../libs/luceneV4.2/lucene-queries-4.2.0.jar"/>*
> *        <pathelement
> location="../libs/luceneV4.2/lucene-queryparser-4.2.0.jar"/>*
> *        <pathelement
> location="../libs/luceneV4.2/lucene-sandbox-4.2.0.jar"/>*
> *        <pathelement
> location="../libs/luceneV4.2/lucene-spatial-4.2.0.jar"/>*
> *        <pathelement
> location="../libs/luceneV4.2/lucene-suggest-4.2.0.jar"/>*
> *        <pathelement
> location="../libs/luceneV4.2/morfologik-fsa-1.5.5.jar"/>*
> *        <pathelement
> location="../libs/luceneV4.2/morfologik-polish-1.5.5.jar"/>*
> *        <pathelement
> location="../libs/luceneV4.2/morfologik-stemming-1.5.5.jar"/>*
> *        <pathelement location="../libs/luceneV4.2/nekohtml-1.9.17.jar"/>*
> *        <pathelement location="../libs/luceneV4.2/spatial4j-0.3.jar"/>*
> *        <pathelement location="../libs/luceneV4.2/Tagger-2.3.1.jar"/>*
> *        <pathelement location="../libs/luceneV4.2/uimaj-core-2.3.1.jar"/>*
> *        <pathelement
> location="../libs/luceneV4.2/WhitespaceTokenizer-2.3.1.jar"/>*
> *        <pathelement location="../libs/luceneV4.2/xercesImpl-2.9.1.jar"/>*
> *    </path>*
> 
> 
> Please Help.
> 
> --
> *With Best Regards,*
> *Manivannan *


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