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Date: Sat, 10 Nov 2007 22:37:09 +0800
To: "hadoop-user" <hadoop-user@lucene.apache.org>
Subject: java.io.IOException: Unknown format version:-3
Message-ID: <200711102237052031107@gmail.com>
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From: paradise <paradisehit@gmail.com>

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Hi
I build nutch from svn source: svn co http://svn.apache.org/repos/asf/lucene/nutch/trunk nutch
And the nutch-0.9.war is got from the http://apache.mirror.phpchina.com/lucene/nutch/nutch-0.9.tar.gz
After I configured the nutch followed by http://wiki.apache.org/nutch/NutchHadoopTutorial
when I start the tomcat I meet this problem as this: 
http://www.mail-archive.com/nutch-user@lucene.apache.org/msg09496.html, 
and I replace the ROOT with my nutch dictory by: 
rm -dfr ROOT
mv nutch-0.9 ROOT
But it still shows this error message:
org.apache.jasper.JasperException: java.io.IOException: Unknown format version:-3
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:541)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:423)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

root cause 
java.io.IOException: Unknown format version:-3
	org.apache.lucene.index.SegmentTermEnum.<init>(SegmentTermEnum.java:64)
	org.apache.lucene.index.TermInfosReader.<init>(TermInfosReader.java:49)
	org.apache.lucene.index.SegmentReader.initialize(SegmentReader.java:167)
	org.apache.lucene.index.SegmentReader.get(SegmentReader.java:140)
	org.apache.lucene.index.SegmentReader.get(SegmentReader.java:126)
	org.apache.lucene.index.IndexReader$1.doBody(IndexReader.java:155)
	org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:579)
	org.apache.lucene.index.IndexReader.open(IndexReader.java:147)
	org.apache.lucene.index.IndexReader.open(IndexReader.java:142)
	org.apache.nutch.searcher.IndexSearcher.<init>(IndexSearcher.java:71)
	org.apache.nutch.searcher.NutchBean.init(NutchBean.java:119)
	org.apache.nutch.searcher.NutchBean.<init>(NutchBean.java:106)
	org.apache.nutch.searcher.NutchBean.<init>(NutchBean.java:84)
	org.apache.nutch.searcher.NutchBean.get(NutchBean.java:71)
	org.apache.jsp.search_jsp._jspService(search_jsp.java:111)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

 Best wishes!

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