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Re: Tomcat Admin application



M A Young wrote:
On Wed, 14 Jan 2009, Seann Clark wrote:

I don't know where I am missing something, and since this is a rather crash course in solving a problem with tomcat itself in my deployment (it rather likes to make everything go to http://localhost/ instead of http://www.tsukinoakge.net like it should) which I am looking for better insight into the server that is a little less cryptic than xml files scattered everywhere in the distribution, and me not having a clue where to look.

Do you have the tomcat5-admin-webapps package installed? I believe that is the one that provides the admin package, so is the first thing to check if you haven't already done so.

    Michael Young

found some things that were missing:

in the /usr/share/tomcat5/server/webapps/admin/WEB-INF/lib directory:

symbolic links for these three included files (in the tar for the admin utility) weren't there:
commons-beanutils.jar
commons-digester-1.8.jar
commons-collections.jar

After going to the admin app once, I get a white page. After that is refreshed, I get this:


 HTTP Status 503 - Servlet admin.login_jsp is currently unavailable

------------------------------------------------------------------------

*type* Status report

*message* _Servlet admin.login_jsp is currently unavailable_

*description* _The requested service (Servlet admin.login_jsp is currently unavailable) is not currently available._

------------------------------------------------------------------------


     Apache Tomcat/5.5.27




in the log files I see this:

Jan 15, 2009 10:15:55 AM org.apache.commons.digester.Digester endElement
SEVERE: End event threw error
java.lang.NoClassDefFoundError: org/apache/commons/modeler/Registry
       at java.lang.Class.getDeclaredMethods0(Native Method)
       at java.lang.Class.privateGetDeclaredMethods(Class.java:2444)
       at java.lang.Class.getMethod0(Class.java:2687)
       at java.lang.Class.getMethod(Class.java:1620)
at org.apache.commons.beanutils.MethodUtils.getMatchingAccessibleMethod(MethodUtils.java:535) at org.apache.commons.beanutils.MethodUtils.invokeMethod(MethodUtils.java:209) at org.apache.commons.digester.CallMethodRule.end(CallMethodRule.java:626)
       at org.apache.commons.digester.Rule.end(Rule.java:253)
at org.apache.commons.digester.Digester.endElement(Digester.java:1222) at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source) at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown Source) at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source) at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source) at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
       at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
       at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
       at org.apache.commons.digester.Digester.parse(Digester.java:1765)
at org.apache.struts.action.ActionServlet.initServlet(ActionServlet.java:1144) at org.apache.struts.action.ActionServlet.init(ActionServlet.java:328) at org.apache.webapp.admin.ApplicationServlet.init(ApplicationServlet.java:101)
       at javax.servlet.GenericServlet.init(GenericServlet.java:212)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1139) at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:791) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:648) at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:548) at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:497)
       at admin.login_jsp._jspService(login_jsp.java:66)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
       at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:679) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:461) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:399) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) at org.apache.catalina.authenticator.FormAuthenticator.forwardToLoginPage(FormAuthenticator.java:316) at org.apache.catalina.authenticator.FormAuthenticator.authenticate(FormAuthenticator.java:244) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:491) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:835) at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:640) at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1286)
       at java.lang.Thread.run(Thread.java:636)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.modeler.Registry at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1386) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1232)
       at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:336)
       ... 48 more
Jan 15, 2009 10:15:55 AM org.apache.struts.action.ActionServlet init
SEVERE: Unable to initialize Struts ActionServlet due to an unexpected exception or error thrown, so marking the servlet as unavailable. Most likely, this is due to an incorrect or missing library dependency.
java.lang.NoClassDefFoundError: org/apache/commons/modeler/Registry
       at java.lang.Class.getDeclaredMethods0(Native Method)
       at java.lang.Class.privateGetDeclaredMethods(Class.java:2444)
       at java.lang.Class.getMethod0(Class.java:2687)
       at java.lang.Class.getMethod(Class.java:1620)
at org.apache.commons.beanutils.MethodUtils.getMatchingAccessibleMethod(MethodUtils.java:535) at org.apache.commons.beanutils.MethodUtils.invokeMethod(MethodUtils.java:209) at org.apache.commons.digester.CallMethodRule.end(CallMethodRule.java:626)
       at org.apache.commons.digester.Rule.end(Rule.java:253)
at org.apache.commons.digester.Digester.endElement(Digester.java:1222) at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source) at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown Source) at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source) at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source) at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
       at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
       at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
       at org.apache.commons.digester.Digester.parse(Digester.java:1765)
at org.apache.struts.action.ActionServlet.initServlet(ActionServlet.java:1144) at org.apache.struts.action.ActionServlet.init(ActionServlet.java:328) at org.apache.webapp.admin.ApplicationServlet.init(ApplicationServlet.java:101)
       at javax.servlet.GenericServlet.init(GenericServlet.java:212)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1139) at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:791) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:648) at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:548) at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:497)
       at admin.login_jsp._jspService(login_jsp.java:66)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
       at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:679) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:461) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:399) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) at org.apache.catalina.authenticator.FormAuthenticator.forwardToLoginPage(FormAuthenticator.java:316) at org.apache.catalina.authenticator.FormAuthenticator.authenticate(FormAuthenticator.java:244) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:491) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:835) at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:640) at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1286)
       at java.lang.Thread.run(Thread.java:636)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.modeler.Registry at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1386) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1232)
       at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:336)
       ... 48 more
Jan 15, 2009 10:15:55 AM org.apache.catalina.core.ApplicationContext log
INFO: Marking servlet action as unavailable
Jan 15, 2009 10:15:55 AM org.apache.catalina.core.ApplicationDispatcher invoke
SEVERE: Allocate exception for servlet action
javax.servlet.UnavailableException: org/apache/commons/modeler/Registry
at org.apache.struts.action.ActionServlet.init(ActionServlet.java:368) at org.apache.webapp.admin.ApplicationServlet.init(ApplicationServlet.java:101)
       at javax.servlet.GenericServlet.init(GenericServlet.java:212)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1139) at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:791) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:648) at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:548) at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:497)
       at admin.login_jsp._jspService(login_jsp.java:66)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
       at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:679) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:461) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:399) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) at org.apache.catalina.authenticator.FormAuthenticator.forwardToLoginPage(FormAuthenticator.java:316) at org.apache.catalina.authenticator.FormAuthenticator.authenticate(FormAuthenticator.java:244) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:491) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:835) at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:640) at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1286)
       at java.lang.Thread.run(Thread.java:636)
Jan 15, 2009 10:15:55 AM org.apache.catalina.core.ApplicationDispatcher invoke
SEVERE: Servlet.service() for servlet admin.login_jsp threw exception
javax.servlet.UnavailableException: org/apache/commons/modeler/Registry
at org.apache.struts.action.ActionServlet.init(ActionServlet.java:368) at org.apache.webapp.admin.ApplicationServlet.init(ApplicationServlet.java:101)
       at javax.servlet.GenericServlet.init(GenericServlet.java:212)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1139) at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:791) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:648) at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:548) at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:497)
       at admin.login_jsp._jspService(login_jsp.java:66)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
       at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:679) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:461) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:399) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) at org.apache.catalina.authenticator.FormAuthenticator.forwardToLoginPage(FormAuthenticator.java:316) at org.apache.catalina.authenticator.FormAuthenticator.authenticate(FormAuthenticator.java:244) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:491) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:835) at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:640) at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1286)
       at java.lang.Thread.run(Thread.java:636)
Jan 15, 2009 10:15:55 AM org.apache.catalina.core.ApplicationContext log
INFO: Marking servlet admin.login_jsp as unavailable
Jan 15, 2009 10:15:55 AM org.apache.catalina.authenticator.FormAuthenticator forwardToLoginPage
WARNING: Unexpected error forwarding to login page
javax.servlet.UnavailableException: org/apache/commons/modeler/Registry
at org.apache.struts.action.ActionServlet.init(ActionServlet.java:368) at org.apache.webapp.admin.ApplicationServlet.init(ApplicationServlet.java:101)
       at javax.servlet.GenericServlet.init(GenericServlet.java:212)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1139) at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:791) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:648) at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:548) at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:497)
       at admin.login_jsp._jspService(login_jsp.java:66)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
       at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:679) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:461) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:399) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) at org.apache.catalina.authenticator.FormAuthenticator.forwardToLoginPage(FormAuthenticator.java:316) at org.apache.catalina.authenticator.FormAuthenticator.authenticate(FormAuthenticator.java:244) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:491) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:835) at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:640) at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1286)
       at java.lang.Thread.run(Thread.java:636)





It would appear that the admin application rpm is a little borked, at least for the last 5 times (Fedora 5-9) that I have tried to get it running, each attempt on a clean machine.


~Seann

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