date:20050311

Re: Single Sign On(SSO) problem

2005-03-11 Thread Guillaume Lederrey

On Friday 11 March 2005 06.36, xue daoming wrote:
 How to config Single Single Sign On(SSO) in Tomcat? I read Tomcat
 document, but I can't find information about it. Is something I miss?
 Anybody carried out that can help me?

  I just gt that one working yesterday !

  All the apps that need to be accessed from SSO have to use the same Realm, 
not the same class but the same instance. So if you want all apps in a 
specific host to be accessed with SSO, then put your Realm/ tag in the 
host/.

  Configure the security in every app in the usual web.xml.

  Add a valve to the same host like this one :
Valve className=org.apache.catalina.authenticator.SingleSignOn/

  More docs in 
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/config/valve.html

  That works for me, I hope it helps you !

 Guillaume

-- 


Guillaume Lederrey
Informaticien Développement
Tecost - Technology Consulting Studies
Fribourg (Switzerland)
http://www.tecost.ch/

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application can not reconnect when database restarts

2005-03-11 Thread Bhavesh Kumar

I am using Apache Tomcat/4.1.27.

Problem: when datbase restarts connection is not established.

Connection pool is done by Tomcat using DBCP.

Context congiguration under server.xml file  is as


Context path=/MyWebApp docBase=MyWebApp debug=0 reloadable=true 
Logger className=org.apache.catalina.logger.FileLogger
prefix=localhost_MyWebApp_log. suffix=.txt timestamp=true/

Resource name=jdbc/rmsDataSource type=javax.sql.DataSource
auth=Container description=Database resource for MyWebApp /
ResourceParams name=jdbc/rmsDataSource

parameternamefactory/namevalueorg.apache.commons.dbcp.BasicDataSource
Factory/value/parameter parameter  name maxActive/namevalue

 20/value /parameter

parameter  name maxIdle/namevalue 25/value /parameter
parameter  name maxWait/namevalue 10/value /parameter
parameter nameremoveAbandoned/name valuetrue/value /parameter
parameter nameremoveAbandonedTimeout/name value1/value
/parameter
parameter namelogAbandoned/name valuetrue/value /parameter
parameternameusername/namevaluetest_app/value/parameter
parameternamepassword/namevaluetest_app/value/parameter
parameternamedriverClassName/namevalueoracle.jdbc.driver.OracleDriver
/value/parameter
 
parameternameurl/namevaluejdbc:oracle:thin:@test.com:1521:testDB/va
lue/parameter /ResourceParams
/Context


web.xml this is configured as

?xml version=1.0 encoding=ISO-8859-1?

!DOCTYPE web-app
PUBLIC -//Sun Microsystems, Inc.//DTD Web Application 2.3//EN
http://java.sun.com/dtd/web-app_2_3.dtd;

web-app
display-nameWelcome to Tomcat/display-name
descriptionWelcome to Tomcat/description
welcome-file-list
welcome-file/jsp/login.jsp/welcome-file
/welcome-file-list
resource-ref
  descriptionDB Connection/description
  res-ref-namejdbc/rmsDataSource/res-ref-name
  res-typejavax.sql.DataSource/res-type
  res-authContainer/res-auth
  /resource-ref
/web-app

Is there any tag which takes care that application is automatically
connected whenever datbase goes up.

It would be really  great if there is some feedback on this problem.

I know for My SQL we can append autoRecconnect=true in database url ..
Is there any equivalent  for jdbc:oracle:thin driver like 
oracle.jdbc.driver.OracleDriver

Going through Tomcat DBCP configuration somewhere it is mention use 
validationQuery as a parameter in context tag.
But I am not really surebecause it is not clear what is the purpose of 
this parameter.

Any ideas ? ?


Thank you,
Bhavesh Kumar




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JNDIrealm Mbean

2005-03-11 Thread jean charles jabouille

Hi,


I use Tomcat 5.5 and I created a JNDIRealm in the server.xml file. I d'like to 
accede to the JNDIMean mbean but I can't find informations about source code 
exemple. I saw this page that contains all Tomcat Mbean 
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/catalina/funcspecs/mbean-names.html
 

Is there a mbean-descriptor.xml to add to my application ? I do think because I 
think that Tomcat Mbean are loaded automatically.

Here is an exemple of my tentative to access to the Tomcat JNDIRealm mbean and 
to access to the connectionUrl of my realm. This code is not working :-(

try {
   
  ObjectName timer = new 
ObjectName(Catalina:type=org.apache.catalina.realm.JNDIRealm,name=JNDIRealm);
 List list = MBeanServerFactory.findMBeanServer(null);
 MBeanServer server = (MBeanServer) list.iterator().next();
   
String connectionUrl; 
connectionUrl=(String)server.invoke(timer,connectionURL,new Object[] {  },new 
String[] { .getClass().getName()});
  }
 catch(Exception e){
  
 }


Do you have an code exemple or a solution ?

Thanks for your answers,

Jabouille Jean Charles

Re: Access Threads informations/state

2005-03-11 Thread David Causse

QM wrote:
On Thu, Mar 10, 2005 at 08:47:25PM +0100, David Causse wrote:
: I store my jdbc connections inside the user session, and I create thanks
: to a Filter one connection per thread (cause we encountered multithread
: issues with the oracle JDBC driver, and we use frames).

Is there a way to refactor your app, to move the thread-safety outside
of the Connection objects? Put another way, it sounds as though you
could insert a data layer between the Filter / Session objects and the
Connection objects.

I hope my boss didn't heard you :)
We have about 2000jsp + 700 servlets and deployment is expected to be in
june.
After some reflexion, I will use the third solution (never close
connections) and try to hunt
processes that never give back the connection to the pool.
But it's strange because the connection.close() is done in the Filter in
a finally{} block. Maybe
it could happen in some exceptionnal condition like OutOfMemory or
hidden jsp that are
not processed by Filter.

Just another question:
when a session is invalidated (manually, or by timeout)
javax.servlet.http.HttpSessionListener#sessionDestroyed(javax.servlet.http.HttpSessionEvent)
is always raised, is there some special case this method is avoided?
I maintain my own count of session and it never shows the same count as
the tomcat manager...
Here is an idea of what I'm doing in my session listeners :

sessionDidActivate:
cnt++
sessionCreated:
cnt++
sessionDestroyed:
cnt--
sessionWillPassivate:
cnt--
Maybe I misunderstood something.
Thank you.
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