Thanks Otis. I thought it was a classpath issue as well, but it actually appears to be a permissions issue. At least, turning off the SecurityManager fixes the problem. This seems pretty sub-optimal to me, but I have yet to figure out what permission I need to grant in order to leave the SecurityManager on while having it work.
Best, John On Mon, Jun 16, 2008 at 8:28 PM, Otis Gospodnetic <[EMAIL PROTECTED]> wrote: > Yes, this is a pure CLASSPATH issue. I haven't built a Nutch war in a > while, so I don't recall what is in it, but most likely it has WEB-INF/lib > directory with some jar files. One of these .... ah, let's just see. Here: > > [EMAIL PROTECTED] trunk]$ unzip -l build/nutch-1.0-dev.war | grep jar | grep > -v plugin > 125955 08-03-06 22:55 WEB-INF/lib/commons-cli-2.0-SNAPSHOT.jar > 207723 09-10-05 11:34 WEB-INF/lib/commons-lang-2.1.jar > 34242 03-28-07 00:02 WEB-INF/lib/commons-logging-1.0.4.jar > 26202 07-16-05 13:59 WEB-INF/lib/commons-logging-api-1.0.4.jar > 1707358 02-18-08 00:55 WEB-INF/lib/hadoop-0.16.0-core.jar > 358180 06-27-06 11:55 WEB-INF/lib/log4j-1.2.13.jar > 664675 02-18-08 00:55 WEB-INF/lib/lucene-core-2.3.0.jar > 48567 02-18-08 00:55 WEB-INF/lib/lucene-misc-2.3.0.jar > 29558 07-16-05 13:59 WEB-INF/lib/taglibs-i18n.jar > 113156 02-18-08 00:55 WEB-INF/lib/tika-0.1-incubating.jar > 124724 07-16-05 13:59 WEB-INF/lib/xerces-2_6_2-apis.jar > 1010675 07-16-05 13:59 WEB-INF/lib/xerces-2_6_2.jar > 550411 06-16-08 22:17 WEB-INF/lib/nutch-1.0-dev.jar > > > Note this last jar. That's what you'll want to have, because that has > CommonGrams: > > [EMAIL PROTECTED] trunk]$ unzip build/nutch-1.0-dev.jar | grep Common > inflating: org/apache/nutch/analysis/CommonGrams$ArrayTokens.class > inflating: org/apache/nutch/analysis/CommonGrams$Filter.class > inflating: org/apache/nutch/analysis/CommonGrams.class > inflating: org/apache/nutch/metadata/CreativeCommons.class > > I built my Nutch war with "ant war". > > > Otis > -- > Sematext -- http://sematext.com/ -- Lucene - Solr - Nutch > > > ----- Original Message ---- > > From: John Thompson <[EMAIL PROTECTED]> > > To: [email protected] > > Sent: Monday, June 16, 2008 3:48:56 PM > > Subject: ClassNotFoundException: org.apache.nutch.analysis.CommonGrams > > > > Hi, > > > > I've been trying to debug this problem for the past few days in my > recently > > set up Nutch installation. Essentially, the main page, about page, and > help > > page are fine, but as soon as I try to submit a search query, I get the > > following stack trace (sorry for the length): > > > > *exception* > > > > org.apache.jasper.JasperException: org/apache/nutch/analysis/CommonGrams > > > > > org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:460) > > > > > org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:355) > > > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329) > > org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265) > > javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > > sun.reflect.GeneratedMethodAccessor48.invoke(Unknown Source) > > > > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > > java.lang.reflect.Method.invoke(Method.java:597) > > > org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:244) > > java.security.AccessController.doPrivileged(Native Method) > > javax.security.auth.Subject.doAsPrivileged(Subject.java:517) > > > org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:276) > > > > > org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:162) > > > > *root cause* > > > > javax.servlet.ServletException: org/apache/nutch/analysis/CommonGrams > > > > > org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:841) > > > > > org.apache.jasper.runtime.PageContextImpl.access$11(PageContextImpl.java:779) > > > org.apache.jasper.runtime.PageContextImpl$12.run(PageContextImpl.java:761) > > java.security.AccessController.doPrivileged(Native Method) > > > > > org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:759) > > org.apache.jsp.search_jsp._jspService(search_jsp.java:777) > > org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98) > > javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > > > > > org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331) > > > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329) > > org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265) > > javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > > sun.reflect.GeneratedMethodAccessor48.invoke(Unknown Source) > > > > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > > java.lang.reflect.Method.invoke(Method.java:597) > > > org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:244) > > java.security.AccessController.doPrivileged(Native Method) > > javax.security.auth.Subject.doAsPrivileged(Subject.java:517) > > > org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:276) > > > > > org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:162) > > > > *root cause* > > > > java.lang.NoClassDefFoundError: org/apache/nutch/analysis/CommonGrams > > > > > org.apache.nutch.searcher.FieldQueryFilter.setConf(FieldQueryFilter.java:108) > > > org.apache.nutch.searcher.url.URLQueryFilter.setConf(URLQueryFilter.java:34) > > > org.apache.nutch.plugin.Extension.getExtensionInstance(Extension.java:162) > > org.apache.nutch.searcher.QueryFilters.(QueryFilters.java:76) > > org.apache.nutch.searcher.IndexSearcher.init(IndexSearcher.java:79) > > org.apache.nutch.searcher.IndexSearcher.(IndexSearcher.java:63) > > org.apache.nutch.searcher.NutchBean.init(NutchBean.java:140) > > org.apache.nutch.searcher.NutchBean.(NutchBean.java:106) > > org.apache.nutch.searcher.NutchBean.(NutchBean.java:84) > > org.apache.nutch.searcher.NutchBean.get(NutchBean.java:71) > > org.apache.jsp.search_jsp._jspService(search_jsp.java:106) > > org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98) > > javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > > > > > org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331) > > > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329) > > org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265) > > javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > > sun.reflect.GeneratedMethodAccessor48.invoke(Unknown Source) > > > > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > > java.lang.reflect.Method.invoke(Method.java:597) > > > org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:244) > > java.security.AccessController.doPrivileged(Native Method) > > javax.security.auth.Subject.doAsPrivileged(Subject.java:517) > > > org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:276) > > > > > org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:162) > > > > Could this be a classpath problem? My setup may be a little peculiar. > My > > site information is located at: > > > > /usr/share/tomcat5.5-webapps/site_name > > > > But I've appropriately specified that as the docBase at: > > > > /usr/share/tomcat5.5/conf/Catalina/localhost/site_name.xml > > > > so that shouldn't be a problem. > > > > Inside > > > > /usr/share/tomcat5.5-webapps/site_name > > > > I've just unpacked nutch-0.9.war, which I got from the tarball at the > Nutch > > site. The only modifications I've made there are related to doctype > issues > > because a few of the xml files were apparently incompatible with Java 6. > > That should be irrelevant to the current problem. > > > > So I guess the question is where is Nutch expecting to find > > CommonGrams.class? > > > > Best, > > John > >
