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From Christopher Schultz <ch...@christopherschultz.net>
Subject Re: can't connect to manager application
Date Sun, 20 Oct 2013 18:44:50 GMT
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Edoardo,

On 10/18/13 6:03 PM, Edoardo Panfili wrote:
> Il 17/10/13 18:45, Edoardo Panfili ha scritto:
>> My Tomcat (7.0.42) is listening on port 7080 and I have this 
>> conf/tomcat-users.xml in (production server)
>> 
>> ------- <tomcat-users> <role rolename="manager-script"/> <user
>> username="myname" password="pwd" 
>> roles="manager-script,manager-gui,manager-jmx"/> </tomcat-users> 
>> ---------- if I use
>> 
>> curl -u myname:pwd 
>> http://localhost:7080/manager/text/reload?path=/myApplication
>> 
>> the response is-------------------------- <h1>404 Not found</h1> 
>> <p> The page you tried to access (/manager/text/reload) does not
>> exist. </p> <p> The Manager application has been re-structured
>> for Tomcat 7 onwards and some of URLs have changed. All URLs used
>> to access the Manager application should now start with one of
>> the following options: </p> <ul> <li>/manager/html for the HTML
>> GUI</li> <li>/manager/text for the text interface</li> 
>> <li>/manager/jmxproxy for the JMX proxy</li> <li>/manager/status
>> for the status pages</li> </ul> <p> Note that the URL for the
>> text interface has changed from &quot;/manager&quot; to 
>> &quot;/manager/text&quot;. </p> <p> You probably need to adjust
>> the URL you are using to access the Manager application. However,
>> there is always a chance you have found a bug in the Manager
>> application. If you are sure you have found a bug, and that the
>> bug has not already been reported, please report it to the
>> Apache Tomcat team. </p> 
>> ---------------------------------------------------------
> 
> 
> Installation step by step:
> 
> Unpack new download from tomcat.apache.org
> 
> 1- set users <tomcat-users> <user username="edoardo"
> password="pwd" 
> roles="manager-script,manager-gui,manager-jmx,other"/> 
> </tomcat-users>
> 
> then reload tomcat $curl -u edoardo:pwd 
> http://localhost:8080/manager/text/reload?path=/examples OK -
> Reloaded application at context path /examples
> 
> 
> 2- copy myApplication from production server copy configuration
> file ($tomcat/Catalina/localhost/myApplication.xml) from production
> server stop & start tomcat
> 
> $curl -u edoardo:pwd 
> http://localhost:8080/manager/text/reload?path=/myApplication OK -
> Reloaded application at context path /myApplication
> 
> 
> 3- first modify to server.xml shutdown tomcat modify server.xml 
> <Connector port="8080" protocol="HTTP/1.1" becomes <Connector
> port="9080" protocol="HTTP/1.1"
> 
> start then curl again all well
> 
> 
> 4- second modify to server.xml <Host name="localhost"
> appBase="webapps" unpackWARs="true" autoDeploy="true"> becomes 
> <Host name="localhost"  appBase="webapps" unpackWARs="true"
> autoDeploy="true" deployXML="false">
> 
> stop-start
> 
> $curl -u edoardo:pwd 
> http://localhost:9080/manager/text/reload?path=/myApplication 
> javax.servlet.ServletException: Error instantiating servlet class 
> org.apache.catalina.manager.ManagerServlet [...]
> 
> $curl -u edoardo:pwd 
> http://localhost:9080/manager/text/reload?path=/myApplication the
> same error reported in the initial post (above)
> 
> 
> 
> deployXML="false" is recommended at 
> http://tomcat.apache.org/tomcat-7.0-doc/config/host.html and useful
> for me.

I'll bet the problem is that Tomcat doesn't like applications
declaring themselves to be privileged="true". The first time Tomcat is
started, META-INF/context.xml from the Manager is copied into
conf/Catalina/localhost/manager.xml where the privileged="true" is
preserved. With deployXML="false", this file is not copied and so
META-INF/context.xml is used instead. Tomcat maybe doesn't allow
META-INF/context.xml to contain privileged="true".

(Of course, Tomcat seems perfectly happy to copy META-INF/context.xml
into conf/Catalina/localhost/manager.xml and *then* permit
privileged="true" so my premise is a bit shaky).

- -chris
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