JForum - no such method error on Lucene

[Deepaks Deshpande]

Hi Guys,
I have integrated JForum into my application. But I am getting this error. Please somebody help me with this. I have used lucene in my search module. I think it's the cause for this. I am not sure about it.

SEVERE: StandardWrapper.Throwable
java.lang.NoSuchMethodError: org.apache.lucene.store.FSDirectory.getDirectory(Ljava/lang/String;)Lorg/apache/lucene/store/FSDirectory;
	at net.jforum.search.LuceneSettings.createIndexDirectory(LuceneSettings.java:89)
	at net.jforum.search.LuceneSettings.useFSDirectory(LuceneSettings.java:81)
	at net.jforum.search.LuceneManager.init(LuceneManager.java:77)
	at net.jforum.search.SearchFacade.init(SearchFacade.java:84)
	at net.jforum.ConfigLoader.startSearchIndexer(ConfigLoader.java:265)
	at net.jforum.JForumBaseServlet.startApplication(JForumBaseServlet.java:92)
	at net.jforum.JForum.init(JForum.java:92)
	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1173)
	at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:809)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:129)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
	at java.lang.Thread.run(Unknown Source)
Jun 30, 2011 3:29:26 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Allocate exception for servlet jforum
java.lang.NoSuchMethodError: org.apache.lucene.store.FSDirectory.getDirectory(Ljava/lang/String;)Lorg/apache/lucene/store/FSDirectory;
	at net.jforum.search.LuceneSettings.createIndexDirectory(LuceneSettings.java:89)
	at net.jforum.search.LuceneSettings.useFSDirectory(LuceneSettings.java:81)
	at net.jforum.search.LuceneManager.init(LuceneManager.java:77)
	at net.jforum.search.SearchFacade.init(SearchFacade.java:84)
	at net.jforum.ConfigLoader.startSearchIndexer(ConfigLoader.java:265)
	at net.jforum.JForumBaseServlet.startApplication(JForumBaseServlet.java:92)
	at net.jforum.JForum.init(JForum.java:92)
	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1173)
	at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:809)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:129)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
	at java.lang.Thread.run(Unknown Source)

[Joachim Rohde]

I would say that you have two different versions of Lucene in your classpath which are colliding.

[Deepaks Deshpande]

Exactly, But even after the removal of one of the versions i am encountering the same exception.

[Ernest Friedman-Hill]

This sort of problem usually comes from having one version of a library in your development environment, and a different version in deployment. The exception specifically means that the class net.jforum.search.LuceneSettings was compiled against a version of Lucene that had a method FSDirectory FSDirectory.getDirectory(String), and the runtime version does not.