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From: bugzilla@apache.org
To: tomcat-dev@jakarta.apache.org
Subject: DO NOT REPLY [Bug 37327]  New:  -
    AttributeNotFoundException:  Cannot find attribute className
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http://issues.apache.org/bugzilla/show_bug.cgi?id=37327

           Summary: AttributeNotFoundException:  Cannot find attribute
                    className
           Product: Tomcat 5
           Version: 5.5.12
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Webapps:Administration
        AssignedTo: tomcat-dev@jakarta.apache.org
        ReportedBy: ericworking@gmail.com


I am getting "AttributeNotFoundException:  Cannot find attribute className" when
I try using the admin webapp to manage a clustered Tomcat (5.5.12). 
* This ONLY happens in clustered configuration.
* The stack trace & server.xml are below.
* When you launch into the admin page, you see only one context entry in Host
(localhost) and the Realm entry below that is missing. However, the resources
tree and users tree are normal.
* All contexts appear in the manager webapp.
* This also happened in 5.5.9, which I upgraded from to try to resolve this error.

Here is my server.xml:
<Server port="8005" shutdown="SHUTDOWN">

  <Listener className="org.apache.catalina.core.AprLifecycleListener" />
  <Listener className="org.apache.catalina.mbeans.ServerLifecycleListener" />
  <Listener
className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
  <Listener
className="org.apache.catalina.storeconfig.StoreConfigLifecycleListener"/>

  <GlobalNamingResources>

    <Resource name="UserDatabase" auth="Container"
              type="org.apache.catalina.UserDatabase"
       description="User database that can be updated and saved"
           factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
          pathname="conf/tomcat-users.xml" />

  </GlobalNamingResources>

  <Service name="Catalina">

    <Connector port="8080" maxHttpHeaderSize="8192"
               maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
               enableLookups="false" redirectPort="8443" acceptCount="100"
               connectionTimeout="20000" disableUploadTimeout="true" />
 
    <Connector port="8009"
               enableLookups="false" redirectPort="8443" protocol="AJP/1.3" />

    <Engine name="Catalina" defaultHost="localhost" jvmRoute="erictest1">

      <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
             resourceName="UserDatabase"/>

      <Host name="localhost" appBase="webapps"
       unpackWARs="true" autoDeploy="true"
       xmlValidation="false" xmlNamespaceAware="false">

            <DefaultContext>
                <Valve
className="org.apache.catalina.cluster.session.JvmRouteBinderValve" />
            </DefaultContext>

            <Listener
className="org.apache.catalina.cluster.session.JvmRouteSessionIDBinderLifecycleListener"
/>

            <Cluster className="org.apache.catalina.cluster.tcp.SimpleTcpCluster"
                
manager.className="org.apache.catalina.cluster.session.DeltaManager"
                 expireSessionsOnShutdown="false"
                 useDirtyFlag="true"
                 notifyListenersOnReplication="true">

            <Membership
                className="org.apache.catalina.cluster.mcast.McastService"
                name="erictest1"
                mcastAddr="228.0.0.1"
                mcastTTL="1"
                mcastPort="45564"
                mcastFrequency="500"
                mcastDropTime="3000"/>

            <Receiver
                className="org.apache.catalina.cluster.tcp.ReplicationListener"
                tcpListenAddress="172.16.166.9"
                tcpListenPort="8001"
                tcpSelectorTimeout="100"
                tcpThreadCount="1"/>

            <Sender
                className="org.apache.catalina.cluster.tcp.ReplicationTransmitter"
                replicationMode="pooled"
                ackTimeout="15000"/>

            <Valve className="org.apache.catalina.cluster.tcp.ReplicationValve"
                  
filter=".*\.gif;.*\.js;.*\.jpg;.*\.png;.*\.htm;.*\.html;.*\.css;.*\.txt;"
                   primaryIndicator="true"/>

            <Deployer className="org.apache.catalina.cluster.deploy.FarmWarDeployer"
                      tempDir="deploy/temp/"
                      deployDir="webapps/"
                      watchDir="deploy/watch/"
                      watchEnabled="true"/>
        </Cluster>

      </Host>

    </Engine>

  </Service>

</Server>


Here is the stack trace:

javax.management.AttributeNotFoundException:  Cannot find attribute className
        at
org.apache.commons.modeler.BaseModelMBean.getAttribute(BaseModelMBean.java:306)
        at
com.sun.jmx.mbeanserver.DynamicMetaDataImpl.getAttribute(DynamicMetaDataImpl.java:96)
        at com.sun.jmx.mbeanserver.MetaDataImpl.getAttribute(MetaDataImpl.java:181)
        at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:638)
        at
com.sun.jmx.mbeanserver.JmxMBeanServer.getAttribute(JmxMBeanServer.java:659)
        at org.apache.webapp.admin.Lists.getValves(Lists.java:401)
        at org.apache.webapp.admin.Lists.getValves(Lists.java:452)
        at
org.apache.webapp.admin.TomcatTreeBuilder.getValves(TomcatTreeBuilder.java:462)
        at
org.apache.webapp.admin.TomcatTreeBuilder.getContexts(TomcatTreeBuilder.java:310)
        at
org.apache.webapp.admin.TomcatTreeBuilder.getHosts(TomcatTreeBuilder.java:263)
        at
org.apache.webapp.admin.TomcatTreeBuilder.getServices(TomcatTreeBuilder.java:185)
        at
org.apache.webapp.admin.TomcatTreeBuilder.getServers(TomcatTreeBuilder.java:144)
        at
org.apache.webapp.admin.TomcatTreeBuilder.buildTree(TomcatTreeBuilder.java:101)
        at org.apache.webapp.admin.SetUpTreeAction.execute(SetUpTreeAction.java:125)
        at
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)
        at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
        at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1192)
        at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:412)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at
org.apache.webapp.admin.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:123)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
        at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at
org.apache.catalina.cluster.tcp.ReplicationValve.invoke(ReplicationValve.java:145)
        at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
        at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
        at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
        at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
        at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
        at java.lang.Thread.run(Thread.java:595)

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