I've installed

        rpm -qa | grep -i ^tomcat-7
                tomcat-7.0.27-7.1.noarch

with

        update-alternatives --query java | grep Value
                Value: /usr/lib64/jvm/jre-1.7.0-openjdk/bin/java

on
        GNU/Linux
        x86_64
        kernel 3.1.10

Tomcat is started & listening @ 127.0.0.1

        netstat -pan --tcp | grep 8080
                tcp        0      0 127.0.0.1:8080          0.0.0.0:*   
                           LISTEN      29513/java

@

        http://localhost:8080/

I see

        Apache Tomcat/7.0.27
        If you're seeing this, you've successfully installed Tomcat.
        Congratulations!
        ...

Deploying SOLR 3.6.1

        cd /usr/local/apache-solr-3.6.1
        /bin/cp -Rf ./example/solr/*               /srv/www/solr/home
        /bin/cp -f  ./dist/apache-solr-3.6.1.war  
        /srv/www/solr/home/solr.war
        /bin/cp -f  ./example/solr/conf/schema.xml
        /srv/www/solr/home/conf/

then, define solr/home

        cat /etc/tomcat/Catalina/localhost/solr.xml
                <Context docBase="/srv/www/solr/home/solr.war" debug="0"
                privileged="true" allowLinking="true"
                crossContext="true" >
                  <Environment name="solr/home" type="java.lang.String"
                  value="/srv/www/solr/home" override="true" />
                </Context>

and reference it,

        grep dataDir /srv/www/solr/home/conf/solrconfig.xml
                  <dataDir>${solr.data.dir:/srv/www/solr/home/data}</dataDir>

restart tomcat, then @:

        http://localhost:8080/manager/html

lists the deployed "/solr" app as NOT running,

        Path           Version         Display Name                   
        Running Sessions
        /              None specified  Welcome to Tomcat              
        true    0
        /docs          None specified  Tomcat Documentation           
        true    0
        /examples      None specified  Servlet and JSP Examples       
        true    0
        /host-manager  None specified  Tomcat Host Manager Application
        true    1
        /manager       None specified  Tomcat Manager Application     
        true    1
        /sample        None specified  Hello, World Application       
        true    0
        /solr          None specified                                 
        false   0

clicking "start" @ the "/solr" app path link returns,

@ browser,

        HTTP Status 404 - /solr
        type Status report
        message /solr
        description The requested resource (/solr) is not available.
        Apache Tomcat/7.0.27

& @ logs:


        ==> /var/log/tomcat/manager.2012-07-22.log <==
        Jul 22, 2012 12:03:14 PM
        org.apache.catalina.core.ApplicationContext log
        INFO: HTMLManager: start: Starting web application '/solr'

        ==> /var/log/tomcat/catalina.2012-07-22.log <==
        Jul 22, 2012 12:03:14 PM
        org.apache.catalina.core.StandardContext resourcesStart
        SEVERE: Error starting static Resources
        java.lang.IllegalArgumentException: Invalid or unreadable WAR
        file : /srv/www/solr/home/solr.war
                at
                
org.apache.naming.resources.WARDirContext.setDocBase(WARDirContext.java:136)
                at
                
org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4894)
                at
                
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5074)
                at
                
org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
                at
                
org.apache.catalina.manager.ManagerServlet.start(ManagerServlet.java:1247)
                at
                
org.apache.catalina.manager.HTMLManagerServlet.start(HTMLManagerServlet.java:747)
                at
                
org.apache.catalina.manager.HTMLManagerServlet.doPost(HTMLManagerServlet.java:222)
                at
                javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
                at
                javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
                at
                
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
                at
                
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
                at
                
org.apache.catalina.filters.CsrfPreventionFilter.doFilter(CsrfPreventionFilter.java:186)
                at
                
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
                at
                
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
                at
                
org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:108)
                at
                
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
                at
                
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
                at
                
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
                at
                
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
                at
                
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:581)
                at
                
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
                at
                
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
                at
                
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
                at
                
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
                at
                
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
                at
                
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:999)
                at
                
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565)
                at
                
org.apache.tomcat.util.net.AprEndpoint$SocketWithOptionsProcessor.run(AprEndpoint.java:1770)
                at
                
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
                at
                
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
                at java.lang.Thread.run(Thread.java:722)


        ==> /var/log/tomcat/catalina.out <==
        Jul 22, 2012 12:03:14 PM
        org.apache.catalina.core.StandardContext resourcesStart
        SEVERE: Error starting static Resources
        java.lang.IllegalArgumentException: Invalid or unreadable WAR
        file : /srv/www/solr/home/solr.war
                at
                
org.apache.naming.resources.WARDirContext.setDocBase(WARDirContext.java:136)
                at
                
org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4894)
                at
                
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5074)
                at
                
org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
                at
                
org.apache.catalina.manager.ManagerServlet.start(ManagerServlet.java:1247)
                at
                
org.apache.catalina.manager.HTMLManagerServlet.start(HTMLManagerServlet.java:747)
                at
                
org.apache.catalina.manager.HTMLManagerServlet.doPost(HTMLManagerServlet.java:222)
                at
                javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
                at
                javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
                at
                
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
                at
                
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
                at
                
org.apache.catalina.filters.CsrfPreventionFilter.doFilter(CsrfPreventionFilter.java:186)
                at
                
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
                at
                
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
                at
                
org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:108)
                at
                
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
                at
                
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
                at
                
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
                at
                
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
                at
                
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:581)
                at
                
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
                at
                
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
                at
                
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
                at
                
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
                at
                
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
                at
                
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:999)
                at
                
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565)
                at
                
org.apache.tomcat.util.net.AprEndpoint$SocketWithOptionsProcessor.run(AprEndpoint.java:1770)
                at
                
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
                at
                
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
                at java.lang.Thread.run(Thread.java:722)


        ==> /var/log/tomcat/catalina.2012-07-22.log <==
        Jul 22, 2012 12:03:14 PM
        org.apache.catalina.core.StandardContext startInternal
        SEVERE: Error in resourceStart()

        ==> /var/log/tomcat/catalina.out <==
        Jul 22, 2012 12:03:14 PM
        org.apache.catalina.core.StandardContext startInternal
        SEVERE: Error in resourceStart()

        ==> /var/log/tomcat/catalina.2012-07-22.log <==
        Jul 22, 2012 12:03:14 PM
        org.apache.catalina.core.StandardContext startInternal
        SEVERE: Error getConfigured

        ==> /var/log/tomcat/catalina.out <==
        Jul 22, 2012 12:03:14 PM
        org.apache.catalina.core.StandardContext startInternal
        SEVERE: Error getConfigured

        ==> /var/log/tomcat/catalina.2012-07-22.log <==
        Jul 22, 2012 12:03:14 PM
        org.apache.catalina.core.StandardContext startInternal
        SEVERE: Context [/solr] startup failed due to previous errors

        ==> /var/log/tomcat/catalina.out <==
        Jul 22, 2012 12:03:14 PM
        org.apache.catalina.core.StandardContext startInternal
        SEVERE: Context [/solr] startup failed due to previous errors

        ==> /var/log/tomcat/catalina.2012-07-22.log <==
        Jul 22, 2012 12:03:14 PM org.apache.catalina.util.LifecycleBase
        stop
        INFO: The stop() method was called on component
        [WebappLoader[/solr]] after stop() had already been called. The
        second call will be ignored.

        ==> /var/log/tomcat/catalina.out <==
        Jul 22, 2012 12:03:14 PM org.apache.catalina.util.LifecycleBase
        stop
        INFO: The stop() method was called on component
        [WebappLoader[/solr]] after stop() had already been called. The
        second call will be ignored.

        ==> /var/log/tomcat/manager.2012-07-22.log <==
        Jul 22, 2012 12:03:15 PM
        org.apache.catalina.core.ApplicationContext log
        INFO: HTMLManager: list: Listing contexts for virtual host
        'localhost'

        ==> /var/log/tomcat/localhost_access_log.2012-07-22.txt <==
        127.0.0.1 - pgnet-tomcat [22/Jul/2012:12:03:15 -0700] "POST
        
/manager/html/start?path=/solr&org.apache.catalina.filters.CSRF_NONCE=F05BCE9F429E2E1984969CA29A4684D4
        HTTP/1.1" 200 18774

Re: the "Invalid or unreadable WAR file : /srv/www/solr/home/solr.war",

checking, the deployed war appears identical to the source,

        diff -ur /usr/local/apache-solr-3.6.1/dist/apache-solr-3.6.1.war
        /srv/www/solr/home/solr.war
                (empty)

        file /usr/local/apache-solr-3.6.1/dist/apache-solr-3.6.1.war
        /srv/www/solr/home/solr.war
                /usr/local/apache-solr-3.6.1/dist/apache-solr-3.6.1.war:
                Zip archive data, at least v1.0 to extract Zip archive
                data, at least v1.0 to extract
                /srv/www/solr/home/solr.war:                        Zip
                archive data, at least v1.0 to extract Zip archive data,
                at least v1.0 to extract

I've attempted to follow,

        
https://wiki.apache.org/solr/SolrTomcat#Installing_Solr_instances_under_Tomcat

Thought I did it correctly, but am re-re-reading to see if I've missed
something.

Have I deployed incorrectly? Bad config?

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