Re: about singletons (ot)

2003-01-29 Thread Tobias Dittrich
The reason why you don't want to use synchronized methods is that a synchronized block can only be executed by one thread at a time. Every other thread wanting to access this method will be blocked during this time (well, basically). So you want to try to keep the synchonized blocks as small as

Re: about singletons (ot)

2003-01-29 Thread Tobias Dittrich
an entire method synchronized? I understand that synchronization implies a performance penalty, but I wasn't sure what the advantage to using synchronized blocks over synchronized methods was. Erik Tobias Dittrich wrote: The reason why you don't want to use synchronized methods

Re: ServletContextListener started 2 times

2003-01-10 Thread Tobias Dittrich
, but not both. There have been issues with this in the past: searching the list archives may yield more information. Yoav Shapira Millennium ChemInformatics -Original Message- From: Tobias Dittrich [mailto:[EMAIL PROTECTED]] Sent: Friday, January 10, 2003 2:35 AM To: Tomcat Users List Subject

ServletContextListener started 2 times

2003-01-09 Thread Tobias Dittrich
Hi, I have the following problem on tomcat 4.1.18: I defined a ServletContextListener in the web.xml for my webapp so I can do some initializing stuff when my webapp is startet. Now when I start tomcat everything is just fine, the Listener gets notified and starts my config. But after a few

Web app specific Listener (was Re: Listener Element in Context: class not found Exception)

2002-12-23 Thread Tobias Dittrich
Hi, thanks for the answer, now I think I know where I got wrong. Listener elements are tomcat server extensions rather than web app elements. But this leads to my next question: how can I define web app sepcific listeners? My goal is to have some application wide global jobs like reading

Listener Element in Context: class not found Exception

2002-12-20 Thread tobias . dittrich
Hello there, I have a problem with the Listener element inside a Context element in the server.xml configuration file. I always get a ClassNotFound Exception for the class I specify in the attribute className when I try to start catalina. I defined a Listener like this: Host name=localhost

Re: Listener Element in Context: class not found Exception

2002-12-20 Thread Tobias Dittrich
Yes the class is in the right directory corresponding to it's package. The whole thing just works abolutely fine if I link the webapps/myapp/WEB-INF/classes/com directory into commons/classes, so chances are the problem is not locatet in my app. I already dived a bit deeper into the subject but I