Apache: Tomcat "any version" .exe or .zip
Hello..., I have little bit confusion regarding apache tomcat installation. So, I would like to know that whats the difference between the .zip and the .exe tomcat ? Thanks in advance... ...
tomcat
Tomcat upgradation
We are planning to upgrade our Tomcat from 4.1.31. Our's is an Axis 1.4 application where we have our web services. Request you to suggest the latest stable version of Tomcat 5 or Tomcat 6 suitable for our application. And the things to consider while upgrading. Will the existing 1.4 Java code base works smoothly on Tomcat 5 or 6? An...
Trying to connect to a remote server using Eclipse
I have an Ubuntu server running Tomcat, and I want to connect my Eclipse EE to it so I can work with JSP. I have no problem connecting to a similar Tomcat service when it's installed on my machine (not a server), but whenever I try to connect to the remote server I don't seem to have the option of choosing a Tomcat service. Is there so...
Using VRaptor3 with Tomcat UnpackWARs property setted to false
Hi there, I have to deploy my web app to a tomcat container with the unpackWARs property defined to false. When I do that, although the application is successfully deployed, when I try to access my url I always got a 404 error. I just don't receive that error when I try to access a direct file like index.html for instance. But I can't ...
Commercial Website architecture question
Hello everyone, I have to write an architecture case study but there are some things that i don't know, so i'd like some pointers on the following : The website must handle 5k simultaneous users. The backend is composed by a commercial software, some webservices, some message queues, and a database. I want to recommend to use Spring f...
MySQL Connection Timeout Issue - Grails Application on Tomcat using Hibernate and ORM
Hi Guys I have a small grails application running on Tomcat in Ubuntu on a VPS. I use MySql as my datastore and everything works fine unless I leave the application for more than half a day (8 hours?). I did some searching and apparently this is the default wait_timeout in mysql.cnf so after 8 hours the connection will die but Tomcat wo...
What are the possible causes of JasperException
I have a JSP that takes an Arraylist from the session object and removes the items from it. It seemed to be working fine and then out of nowhere when I navigate to that page, the page is blank. I checked the Tomcat log files and in catalina.out I am receiving a JasperException an it is showing it as being on a line with the following fo...
solr-tomcat package on ubuntu lucid
Hi I've installed solr-tomcat package on ubuntu lucid (10.04 latest). It automatically install java and tomcat and hopefully all other dependencies. I can access tomcat at http://localhost:8080 but not sure where to find the solr web admin http://localhost:8180 gives me nothing. Is this package known to work? I've read that on previous...
Use WampServer's MySQL as a real MySQL for going on the net.
Is this a right thing to do? I am using the Apache/Tomcat that comes with the liferay portal bundle and I used the MySQL that comes with WampServer at home but now I want to transfer my portal to a real Server and I wanted to know whether I could still use the Wamp's MySQL or should I install a real MySQL (What's the difference?) Thanks ...
After Filter redirects to login.jsp, proper servlet doesnt get called
My simple project structure is shown in this link. I am using Eclipse and Tomcat 6. There is login.jsp which submits its form to login_servlet. The login_servlet sets a session variable and then redirects to home.jsp. The home.jsp file has links to the 4 JSP files under a directory called /sam. In web.xml I have given the url-pattern as...
What's the purpose of the maxPostSize for Tomcat's HTTP Connector?
According to Tomcat docs: The maximum size in bytes of the POST which will be handled by the container FORM URL parameter parsing. The limit can be disabled by setting this attribute to a value less than or equal to 0. If not specified, this attribute is set to 2097152 (2 megabytes). But what's "the container FORM URL...
java.lang.ClassNotFoundException: org.springframework.ui.ModelMap
I create a simple webapp using tomcat 6, spring 2.5.6 and maven. The problem is when I boot up tomcat, I am getting the following errors: SEVERE: StandardWrapper.Throwable java.lang.NoClassDefFoundError: org/springframework/ui/ModelMap ... Caused by: java.lang.ClassNotFoundException: org.springframework.ui.ModelMap The ModelMap class...
Incremental hot deployment on Tomcat with Maven and NetBeans
I'm using NetBeans 6.8, Tomcat 6, and Maven 2.2 and want to see changes in my code immediately in the browser (showing http://localhost:8080) after saving the file. The tomcat-maven-plugin has the following configuration: <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>tomcat-maven-plugin</artifactId> <version>1.0-beta-...
Accessing global variable in multithreaded Tomcat server
Edit: I've figured out the constructor for the singleton is getting called multiple times so it appears the classes are getting loaded more than once by separate class loaders. How can I make a global singleton in Tomcat? I've been googling, but no luck so far. I have a singleton object that I construct like thus: private static volati...
Tomcat 5.0.30 and PostgreSQL 8.2 JDK
I have an CentOS 5 server which includes Tomcat 5.0.30 and PostgreSQL 8.2, database includes 15 schemas. Tomcat connects to PostgreSQL via Poolable Connection. My problem is generally one or more a day tomcat shutdown its self. We use same configurations on our other customers but There is no problem. By the way, there is no exception...
Servlet's doGet not called from JSP form
I have this code on my JSP page <form action="LoginServlet" method="get"> <input type="text" name="username" /> <input type="text" name="password" /> <input type="submit" value="Submit" /> </form> and when I press Submit I get: The page cannot be displayed The page you are looking for is currently unavailable. T...
How can I persist sessions between a Ruby on Rails mongrel cluster and a Tomcat server?
Title says it all. I have a hybrid Ruby on Rails/GWT system and need to persist session data between the two servers, such that when a user is logged into the Rails system they are "logged in" to the GWT/Tomcat system, and vice versa. Anyone know of a simple way to do this? ...
Does tomcat compile servlets automatically?
When we modify a JSP , we can just overwrite the jsp and tomcat autmatically recompile the servelt asociated to it , but if we want to modify a servlet is enough to modify the .java or we need to deploy the .class too? ( I mean is tomcat capable of compiling the .java into a .class if a .clss is not found or is outdated) The questi...
Modifying groovy code at runtime in grails application
When I run my grails application using embedded jetty server(tomcat for grails 1.2), I can make changes to my controllers, services and other java files on-the-fly at runtime without restarting the application. How can I achieve the same functionality on my application deployed on Tomcat(or any server) for that matter. I have observed th...
Trouble implementing Singleton pattern in Tomcat web application due to Class Loader
I'm trying to implement a Singleton in Tomcat 6.24 on Linux with x86_64 OpenJDK 1.6. My application is just a bunch of JSPs and some static content and the JSPs make calls to my Java code. Currently the web.xml just looks like this: <web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-insta...