By Chanoch Wiggers, Ben Galbraith, Visit Amazon's Vivek Chopra Page, search results, Learn about Author Central, Vivek Chopra, , Sing Li, Debashish Bhattacharjee, Visit Amazon's Amit Bakore Page, search results, Learn about Author Central, Amit Bakore, , Rom
What's this ebook approximately? Tomcat is an open resource net server that tactics JavaServer Pages and Java Servlets. it may well run as a stand-alone server or be built-in with Apache. Like Apache, the center Tomcat software is comparatively easy, yet there are various improvements that may be further to make it even more complicated. What does this ebook hide? you are going to tips on how to combine Tomcat with the Apache HTTP server (and the events should you may still and also you shouldn't), the way to organize database connectivity via JDBC, and the way to make sure your net functions are safe. This e-book will supply you, the server administrator, with the mandatory wisdom to put in and configure Tomcat, in addition to a number of the hottest improvements to the Tomcat package deal. it is going to assist you plan the set up and attainable progress ideas of your website. listed here are quite a few of the issues you can find lined during this publication Tomcat 3.x, Tomcat 4.0.x, and Tomcat 4.1.x The Tomcat structure Tomcat set up and configuration Apache and Tomcat integration utilizing the AJP and deform connectors Tomcat safeguard with SSL, nation-states, and the Java safety supervisor Shared Tomcat web hosting, server load checking out, and cargo balancing coping with and administering internet functions JDBC with Tomcat Ant and Log4j it is going to additionally conceal a few of the instruments that may be built-in with Tomcat, equivalent to Ant (for instantly construction internet functions) and Log4J (for complicated logging). who's this ebook for? This booklet is for pros operating with Java net functions. It assumes a undeniable wisdom of the JSP and Servlet applied sciences, yet merely from an administrator's standpoint. wisdom of databases, XML, HTML, networking, and basic administrative thoughts can be assumed.
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Additional info for Professional Apache Tomcat
The only possible reason for restarting the machine is if the applications that are running on Tomcat depend on an ordered bootup and no loss of connections between the applications and their various resources. That means that, on the whole, writing a script that flashes a warning or similar is more desirable than rebooting the system. If you wish to set the recovery options, right-click on the Tomcat service entry in the list and choose Properties. In the window that opens, choose Recovery and you should be 50 Chapter 3: Tomcat Installation Chapter 3: Tomcat Installation 51 presented with the following options: As you can see, the default is for no action to be taken.
One possible solution is to pass the following command-line option to the Java executable: -Xincgc This makes the GC run in incremental mode, where it runs more often but checks through smaller amounts of memory. However, this option can reduce throughput, and therefore it should be monitored. Alternatively, lowering the size of the heap (or a combination of both) may help. One other possible solution is to use the following options: 44 Chapter 3: Tomcat Installation Chapter 3: Tomcat Installation 45 -Xms256m -Xmx256m -XX:NewSize=128m -XX:MaxNewSize=128m The memory model for the java executable differentiates between new objects (the majority of which are typically short-lived and can be reclaimed quickly) and old objects that are long-lived.
Server administrators can then place this WAR file into the directory specified by the servlet container and the servlet container takes care of the rest. This means that a developer need only expend effort creating a web application once. You can then take their WAR file and by simply copying it into the proper location in your servlet container, the web application will be deployed and ready to run. Thus, distributing and deploying web applications is remarkably simple, even if you switch servlet containers at any time.
Professional Apache Tomcat by Chanoch Wiggers, Ben Galbraith, Visit Amazon's Vivek Chopra Page, search results, Learn about Author Central, Vivek Chopra, , Sing Li, Debashish Bhattacharjee, Visit Amazon's Amit Bakore Page, search results, Learn about Author Central, Amit Bakore, , Rom