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If you drop the WAR file into webapps rather than into webapps\wwwjsp-jsfcom, the URL will be http://localhost/eshop/shop You can deploy an application without having to restart Tomcat, because the definitions of localhost and wwwjsp-jsfcom contained in serverxml include the attributes unpackWARs="true" and autoDeploy="true" You might decide to define hosts that don t support automatic deployment This would improve security, but would also force you to restart Tomcat in order to deploy or redeploy applications To resolve this issue, Tomcat s developers have created a manager application that lets you deploy your applications without having to restart Tomcat To be able to use the manager application, edit the serverxml file and insert the following element into the element that defines the host you want to manage: <Context path="/manager" privileged="true" docBase="manager"> <Valve className="orgapachecatalinavalvesRemoteAddrValve" allow="12700.

public class ForceLoginPhaseListener implements PhaseListener { public PhaseId getPhaseId() { return PhaseId.RENDER_RESPONSE; } About to render the con rm page public void beforePhase(PhaseEvent event) { FacesContext context = FacesContext.getCurrentInstance(); String viewId = context.getViewRoot().getViewId(); if (viewId.equals("/confirm.xhtml")) { No User object Application app = context.getApplication(); (not logged in) UserHolder uh = (UserHolder) app.evaluateExpressionGet(context, "#{uh}", UserHolder.class); if (uh.getCurrentUser() == null) { ViewHandler viewHandler = app.getViewHandler(); UIViewRoot viewRoot = viewHandler.createView(context, "/login.xhtml"); context.setViewRoot(viewRoot); View handler is the XHTML } parser that creates the component trees from } This is the view ID. XHTML les. } public void afterPhase(PhaseEvent event) { Ask the view handler to } create the component tree from the login.XHTML le. }

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System administrators regularly rely on log files to monitor the activity on their servers. Keeping track of what daemons and logged-in users are doing is vital for detecting an intrusion and, if an intrusion should occur, possibly for discovering the means of entry. Detailed logs are also used in the mundane, everyday activity of tracking server health.

1"/> </Context> The Valve element prevents you from using it remotely Remove the Valve element if you want to be able to use it from a system other than that on which you have installed Tomcat As an added measure of security, the manager application requires you to log in with a user ID that has manager capabilities You defined such a user ID when you installed Tomcat If you ve forgotten the ID or its associated password, look inside the tomcat-usersxml file, which is located in the same conf directory as serverxml.

The same is true for application logs, which are the stream-of-activity data captured by your application In 2, we recommended that the error messages produced by PHP should be sent to a log file rather than be displayed in the browser Similarly, usage information should be captured in a log file Once you have captured such information, you can analyze the ways in which users interact with your application to discover evidence of security concerns, such as unauthorized access to sensitive data or attempts to hog system resources Because these pieces of information are stamped with the precise date and time of occurrence, they can also be correlated with other logs and system information, which allows you to put a human face on the actions of the otherwise anonymous user nobody.

Figure 4 28. ForceLoginPhaseListener You need to register this phase listener with JSF in faces-config.xml (see Listing 4-40). Listing 4 40. Registering the ForceLoginPhaseListener

There you ll find the following element: <user username="userID" password="pass" roles="admin,manager" /> Now, if you type the URL http://localhost/manager/list in a browser, after logging in with the manager user ID and password, you ll see a page containing the list of all applications of the host: OK - Listed applications for virtual host localhost /:running:0:ROOT /manager:running:0:manager /docs:running:0:docs /examples:running:0:examples /host-manager:running:0:host-manager /eshopf:running:0:eshopf To deploy an application, you need to replace list with deploy, as in the following example: http://localhost/manager/deploy path=/yyy&war=file:c:\wars\eshopxwar This command takes the file c:\wars\eshopxwar, copies it to webapps, which is the application base directory of locahost, renames it yyywar, and expands it into the folder yyy It displays a page with the following single line: OK - Deployed application at context path /yyy.

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