Why tomcat server is not starting




















This is used internally, and then only on Windows systems, to append items to Tomcat classpath environment variables. This makes a crypto digest of Tomcat passwords. Use it to generate encrypted passwords. This is also only used internally and sets the Tomcat classpath and several other environment variables.

This is a generic Tomcat command-line tool wrapper script that can be used to set environment variables and then call the main method of any fully qualified class that is in the classpath that is set. This is used internally by the digest script. This runs the catalina version , which outputs Tomcat's version information.

The main script, catalina , is invoked with one of several arguments. The most common arguments are start , run , or stop.

The run argument causes Tomcat to leave the standard output and error streams where they currently are such as to the console window useful for running from a terminal when you want to see the startup output. This output should look similar to Example If you use catalina with the start option or invoke the startup script instead of using the run argument, you see only the first few Using The shutdown script invokes catalina with the argument stop , which causes Tomcat to connect to the default port specified in your Server element discussed in Chapter 7 and send it a shutdown message.

A complete list of startup options is listed in Table This specifies an alternate server. The default is to use the server. See the " server. This allows Tomcat to be tested in an embedded mode, and is usually used by application server developers. This starts up Tomcat, with standard output and errors going to the Tomcat logfiles.

To prevent runaway programs from overwhelming the operating system, Java runtime environments feature limits such as "maximum heap size.

However, there are options supplied to the java command that let you control the limits. The exact form depends upon the Java runtime, but if you are using the Sun runtime, you can enter:. This will run a class file called MyProg with a maximum memory size of MB for the entire Java runtime process. These options become important when using Tomcat, as running servlets can begin to take up a lot of memory in your Java environment.

Windows users should set this environment variable from the Control Panel, and Unix users should set it directly in a shell prompt or login script:. Other Tomcat environment variables you can set are listed in Table This sets the base directory for writable or customized portions of a Tomcat installation tree, such as logging files, work directories, Tomcat's conf directory, and the webapps directory. This sets the base directory for static read-only portions of Tomcat, such as Tomcat's lib directories and command-line scripts.

This passes through Tomcat-specific command-line options to the java command. This sets the address for the JPDA used with the catalina jpda start command.

This variable may optionally hold the path to the process ID file that Tomcat should use when starting up and shutting down. If you have installed Tomcat via an Apache binary release archive either a. Make sure it's set to the absolute path of the directory where the Java installation you want Tomcat to use resides.

If it's not, set it and export it now. Try running telnet localhost and telnet localhost to see if any existing server accepts a connection, just to be sure.

You should see output similar to this when Tomcat starts up. If you've installed Tomcat via the RPM package on Linux, you can test it out by issuing a start command via Tomcat's init script, like this:. Or, on some Linux distributions, such as Fedora and Red Hat, to do the same thing, you may instead type the shorter command:. If you installed the JPackage. You should see several Java processes scroll by.

Another way to see whether Tomcat is running is to request a web page from the server over TCP port Also check out the " Common Errors " section, later in this chapter. To use Tomcat's init script on Solaris, you must be the root user. Switch to root first. Then, you can start Tomcat like this:. Watch your catalina. NoSuchMethodError: javax. The server is starting, but the home page on localhost is not coming as several components have not started.

If you want to know the error then run the cmd and go to path where you Apache Tomcat startup. Thanks for your replies, my classpath was able to see the pre When I have removed it, it has started to work fine. Suggest you make sure only one copy of servlet-api.

Furthermore, the best place to put servlet-api. No Account? Sign up. By signing in, you agree to our Terms of Use and Privacy Policy. Already have an account? ESMC 7. Additional resources. User Guides. ESET Forum. YouTube videos.

Need further assistance? Go to server tab and double click on the Tomcat server, the configuration file for Tomcat will open and look like this:. Go to command prompt and execute the following lines in succession make sure to change ending port numbers to your own Tomcat ports. As you can see in the above screenshot, in my case, port is not running, but ports and are being used and they are running using PID process id : Now, you can go back to Eclipse and run the task on your server as you would typically do.

It should work again. Thanks for visiting DZone today,. Edit Profile.



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