vqServer: Console


Since Java applications such as vqServer must be run from a command-line interpreter window, vqServer uses this window to display status messages and error messages and to accept simple commands. The command-line interpreter window is called the vqServer console or the console in this documentation.

vqServer console display

The console displays the following information:

  • A list of the servers controlled by the console and the vqServer control centre. The following information is displayed for each server.
    • The TCP/IP port on which the server accepts incoming requests.
    • The name of the server.
    • Whether the server is on or off.
  • A list of commands understood by the console.

This information can be refreshed and redisplayed by pressing the Enter key when the console window is active.

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vqServer console connections display

The console window can also display information about each request for information, or connection, dealt with by vqServer. This is useful for debugging purposes. To invoke this option (or to turn it off), activate the console window, type D, and press the Enter key. The console displays the following four lines for each request handled by vqServer:

  1. The time and date the request was received, the name and IP address of the computer making the request and the authenticated name of the individual making the request (if applicable).
  2. The HTTP request header line, exactly as received.
  3. The HTTP result code returned by vqServer, a brief explanation of this result code and the number of bytes of data sent by vqServer.
  4. An indication of any internal errors or problems dealt with by vqServer. The format of this information is specific to vqServer (The other information displayed conforms to HTTP standards).

Note:

  • The above four lines are displayed after vqServer has dealt with the corresponding request.
  • The four lines of information pertaining to each request are displayed contiguously even though vqServer may be dealing with several requests at the same time.
  • Error messages generated by vqServer while it is dealing with a request are displayed on the console when the error occurs before the above four lines are displayed and may unfortunately be mixed up with messages pertaining to other requests.
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vqServer console commands

A command is invoked by typing the abbreviation listed to the right of the command and pressing the Enter key when the console window is active.

The console understands the following commands:

  • Switch server on or off (type the TCP/IP port number listed to the left of the server's name).
  • Change administration server port (AP): See changing the administration server port.
  • Display connections on console (D): Display information about each request as it is handled by vqServer. See above for details.
  • Shut down vqServer (X): Self-explanatory! Further details are given on the shutdown page.


vqServer version 1.03. Copyright © 1997-98 vqSoft and Steve Shering. Last updated 13 May 1998.
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