startup « Development « JSP-Servlet Q&A





1. What does the servlet value of 0 (zero) signify    stackoverflow.com

I am getting a bit confused here. In our application we are having a few servlets defined. Here is the excerpt from the web.xml for one of the servlets:

<servlet>
   ...

2. How can I use the J2EE Timer Service API in the Servlet startup code?    stackoverflow.com

For a background job which I would like to run in a J2EE container, I found the suggestion to create a startup servlet and use the Timer Service API to create ...

3. What are the possible values of load_on_startup in a servlet entry on web.xml?    stackoverflow.com

Obviously, load_on_startup value of 0 means don't, and 1 means do. But what does a value of 2 mean? EDIT: Obviously, I shouldn't assume things before I check them. A value of ...

4. How to invoke a Servlet (doGet) in a web application on startup?    stackoverflow.com

I need to invoke a Servlet on application startup since it contains some application initialization logic. I know I can set load-on-startup configuration, but this will only invoke Servlet’s init method. I ...

5. RESTlet startup initialization deprecated?    stackoverflow.com

I'm trying to use the restlet.org library to build a RESTful web interface, and I've noticed that unlike it's servlet counterpart, it has no complement to GenericServlet.init(). Short of building ...

6. Guice Servlet project fails with IllegalAccessException on startup    stackoverflow.com

I'm using the Guice servlet module and trying to get just the basic filter and listener running. When I start my servlet container I get a java.lang.IllegalAccessException wrapped in an ...

7. Startup Servlet for WAR File    stackoverflow.com

I am deploying a .WAR file on Tomcat v5.5. I want to run a thread on the startup of the war file. So I am thinking of using Startup Servlet for ...

8. Right way for handling a java web application startup error    stackoverflow.com

I'm currently writing a java web application that performs specific checks at startup. Example, checking that the configuration file exists and defines all the required setting variables. I placed the checking code ...

9. Upgrade from JBoss 4.2.3GA to JBossAS 5.1.0: startup error during loadServlet custom ActionServlet.init    stackoverflow.com

We are migrating a legacy Struts 1.2.4 app from JBoss 4.2.3GA to JBossAS 5.1.0 (if you've seen some of my other questions about migrating from JBoss 4.2.3GA, we gave up on ...





10. avoid load of javascript onchange function on startup of jsp    stackoverflow.com

My <script></script> loads on startup with the onchange function ( onchangeFunction() ) with it. That means without the onchange event (selecting from drop down form) actually took place. This means the function accessing ...

11. web.xml load class on startup into context    stackoverflow.com

I have a class that I want to instantiate at startup. It does concurrent stuff and has to be visible for all incoming requests. Placing it in the ServletContext should be ...

12. how to initialize a servlet on sever startup    stackoverflow.com

I have written a simple servlet with init() and doGet(), doPost() method. I have a requirement, that I have an API which i need to invoke an server startup. Is it ...

13. Java Web Application - LoadLibrary at Application Startup    stackoverflow.com

I have developed an WebApplication with Java-Servlets. It is running in a GlassFish-Server (on a Windows-Plattform). Now I need to load a DLL with JNI. I use System.loadLibrary(dll) to do this. ...

14. how to load servlet on startup?    bytes.com

15. Alternative to Startup servlet    forum.springsource.org

Hi, I am writing an application that was initially planned for working with servlet, Now we are using groovy, we can use templates to install servlets but, I dont know how ...

16. Servlet being loaded twice on startup with debug    forums.netbeans.org

megaskins Joined: 03 Dec 2009 Posts: 5 Posted: Thu Dec 03, 2009 4:26 pm Post subject: Servlet being loaded twice on startup with debug A coworker is having ...





17. JBPM Context in Startup servlet    seamframework.org

Hi all, I have a requirement where I want a backgroung running service using quartz to perform all jbpm state operations. i.e. in which the system would be interacting with an external system. Now my question is this if i run this service manually from my application after starting the server it works perfect. But if i try to get it ...

18. JSP load on startup    coderanch.com

22. startup help    coderanch.com

23. Jboss thrwos exception while startup:    coderanch.com

24. Startup servlets    coderanch.com

Hi , In conversation with an ApplicationServer administrator , I came across the fact , that servlets should not be marked as a startup servlet (a servlet whose init() method is invoked by the application server when it comes up).The reason being , that an improperly written (read as poor exception handling) servlet might cause the servlet engine to crash .. ...

25. Startup of servlets/ JVM:s    coderanch.com

Hi! My question is about how the servlets gets started and if they all end up in the same VM. Some data: I'm using Tomcat4 and have implemented 2 servlets - StartupServlet (sets up the environment with the db and reads some config) - AdminServlet (this is the servlet that gets called everytime from the web server) The StartupServlet starts around ...

26. Loading Servlet On Startup    coderanch.com

Hi Phil, I have tried your code snippet too. But even then I dont get to see the desired result. As to what Mike says reference the servlet through a proper alias, in that case it is quite obvious that that init() method will definitely execute because init() method is executed only once before handling 0 or more client requests. ...

27. ok to run thread in load-on-startup servlet?    coderanch.com

Hi All- I trying to come up with a simple solution for distributed cache updates across multiple servlet engines (without using MQ/JMS) ... I'm thinking of writing a singleton class called by a load-on-startup servlet to monitor for changes in another servlet engine's cache so servers can sync up their cache... when servlet engine 1 updates its cache, a DB update ...

28. Startup servlet init() called twice    coderanch.com

29. Calling a servlet on startup    coderanch.com

31. Problems calling servlet at startup    coderanch.com

32. Loading two servlets at the startup?    coderanch.com

33. Problem in loading servlet in startup    coderanch.com

35. load on startup in servlets    coderanch.com

37. startup timer servlet    coderanch.com

39. load a servlet after startup    coderanch.com

Thanks for your replies and here are my answers to the queries but did not solve the problem To: Vijitha Kumara: I perform a JNDI lookup which uses a context object for the lookup.But when i started the application it threw an illegal state exception (after the null pointer exception) saying that the context object does not exist To Paul Michael: ...

40. starting two servlets in load on startup    coderanch.com

Thanks for your response.Actually i need to run the two servlets and print the "Hello world" from the first servlet and "This is second servlet " from the second servlet. But in the console,The output "Hello world" only printed and second servlet does not prints its output.Is this possible to do? or am i doing wrong?

41. Server Startup Problems    coderanch.com

Doing Enterprise Javabeans for a class, and can't get my JBoss server to start up correctly. I am using Eclipse, JRE 1.5, JBoss 4.2, and Oracle 11g on my Windows XP machine. My persistence.xml file looks like this: org.hibernate.ejb.HibernatePersistence java:/OracleDS ...

42. @Startup annotation    coderanch.com

No, they don't...What I'm looking for is an annotation that gives me the oportunity for make a call to a business function that I have in my app, but I only need to make this call when I'm deploying my app, the problem now with @Startup is that is only available in ejb 3.1 and my app is in ejb 3.0, ...

43. Create and Compile Java class on application startup via Servlet    coderanch.com

Hi, I am working on restructuring and migrating an old J2EE app to our new unix environment(deployed in Weblogic server). As part of the ant build process we have a target that calls a GenerateDBMetadata.java file which creates a DBMetadata.java class by connecting to the database and getting a list of all procedures and storing them in a hashmap. This class ...

45. load on startup for 2servlets?    coderanch.com

47. Servlet loading on application startup    coderanch.com

49. Servlet with load on startup    zkoss.org

Hi there, I want to do some initialization stuff on the server startup and not actually when request for application, right now i'm trying to create a servlet with load on startup. But it is not called on startup. When i'm entering the url for that servlet it is called. So is there any way to do this or m i ...

50. Servlet load-on-startup    forums.oracle.com

Hallo 2 If present, starts the servlet when the server starts. explanation: Servlets are normally loaded and initialized when they are first used. To load and initialize a servlet when the server starts, however, simply specify a value of true for the .loadOnStartup tag: .loadOnStartup=trueLoading a servlet on server startup is useful when certain tasks need to be executed at ...