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This page has instructions explaining how to perform some important JET 6530 tasks.

The Library of Congress mainframe, locis.loc.gov, is used throughout JET documentation as an example only. To test specific functions in your environment, substitute your mainframe domain name or IP address wherever the Library of Congress example,  locis.loc.gov, appears in this document.  

The JET 6530 Documentation has further information about installing, configuring and using JET 6530.

Click on a link below to learn "How To..."


Creating, saving and using a local session

Here is an example of how to create, save and use a new local session.

The example assumes that your workstation is connected to the Internet so that JET 6530 can connect to the Library of Congress TN6530 server at locis.loc.gov. If your workstation is not connected to the Internet but can access a local TN6530 server then you should be able to get similar results by substituting the hostname of the local TN6530 server where locis.loc.gov appears.

  • Start JET 6530 from the original Shortcut.htm file.
    Note: Another web page can be used to start JET 6530 for this example if the web page does not have any applet parameters that start with disable_ set to yes.

  • If JET 6530 is running within the browser window:
    • Click the Close Session toolbar button (trash can/garbage bin icon).
    • Click New Window.
      A JET 6530 window and Untitled Session Settings dialog box appear.

  • If a JET 6530 window appears but no Untitled Session Settings dialog box appears:

    • From the Session menu select Close.
    • Click New Window.
      A JET 6530 window and Untitled Session Settings dialog box appear.

  • If no JET 6530 window appears:

    • Click New Window.
      A JET 6530 window and Untitled Session Settings dialog box appear.

  • Enter locis.loc.gov for Hostname on the Untitled Session Settings dialog box.

  • Click Colours in the Category list.
    The Colours panel is displayed with Cursor Colour selected.

  • Click the Choose Colour button.
    The Colour Selector dialog box appears.

  • Select yellow from the list.

  • Click OK on the Colour Selector dialog box.
    The Colour Selector dialog box disappears. The Cursor Colour square is yellow.

  • Click Background Colour.

  • Click the Choose Colour button.

  • Select brown from the list.

  • Click OK.
    The Background Colour square is brown.

  • Click Display in the Category list.
    The Display panel is displayed.

  • Select TimesRoman for Font.

  • Select 12 for Font Size.

  • Click OK on the Session Settings dialog box.
    The Session Settings dialog box disappears. The background colour and screen keyboard on the JET 6530 window change. JET 6530 attempts to connect to the host.

  • Select Save As... from the Session menu.
    A Save Session As dialog box appears.

  • Enter LibraryOfCongress for the session name.

  • Click Save.

  • Select Close from the Session menu.
    The JET 6530 window disappears.

  • Click the Open Session in New Window button.
    An Open Session dialog box appears.

  • Select LibraryOfCongress from the Local list.

  • Click Open.
    A JET 6530 window appears. The background colour is brown and the screen keyboard buttons are in a larger Times Roman font. JET 6530 attempts to connect to locis.loc.gov . If it connects successfully the LOCIS main screen is displayed with a yellow cursor.

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Starting a Debug Log

Here are instructions on how to make a debug log of a JET 6530 session. The debug log is used to determine the cause of a JET 6530 problem.

If you are collecting a debug log to provide to Platypus Partners support, please ensure that you turn on debug logging before connecting to the host. Sometimes the events leading up to a problem are important in assisting our diagnosis.

Internet Explorer under Windows

  • Start Internet Explorer.

  • Enable JavaTM logging in Internet Explorer. To do this, from the Tools menu (View menu for 4.01 SP1) select "Internet Options...". On the "Advanced" tab click the "Java logging enabled" check box to place a tick there.

  • Start JET 6530 by loading the Shortcut.htm web page provided in the applet directory of the JET 6530 distribution, or the web page you use to run JET 6530.

  • Open a JET 6530 session for the 6530 host you are having problems with. You can use either an existing session (to that host) or create a new session:

    • If you see a new JET 6530 window and a Session Settings dialog box, you are creating (and opening) a new JET 6530 session.

      For Hostname enter the name of the 6530 host. Also deselect "Start Connection Automatically". Ensure any other important session settings are also correct (e.g. port, security details).

      Click OK.

    • If you see a row of buttons with the names "New Window", "New Session", etc., click "New Window". You will see a JET 6530 window and a Session Settings dialog box.

      For Hostname enter the name of the 6530 host. Also deselect "Start Connection Automatically". Ensure any other important session settings are also correct (e.g. port, security details).

      Click OK.

      If you don't see "New Window", but do see "New Session", click that instead. You won't see a new JET 6530 window, but you will see a Session Settings dialog box. You can then enter the host details as described above.

    • If you see a dialog box titled "Open Session", select the session for the 6530 host you are interested in, then click "Open".

      If none of the sessions apply to the host you are interested in, click "Cancel". You should then see a row of buttons as described in the previous option. Follow the instructions for that option.

    • If you see the JET 6530 screen painted inside either a new window or your main browser window, then JET 6530 has already opened a particular session. Ensure that the session is to the host in which you are interested by clicking the Session Settings toolbar icon, or selecting "Settings" from the "Session" menu.

  • If you are already connected or connecting to the host, click the Disconnect from Remote Host toolbar icon, or select "Disconnect" from the "Connection" menu. As mentioned above, sometimes the events leading up to a problem (and in particular, the negotiation exchange with the host during connection) are important to assist us in resolving your problem.

  • Select "Preferences" from the "Session" menu. If the JET 6530 screen is painted inside your main browser window, you will not have a "Session" menu: instead click the Preferences toolbar icon.

  • You will see a Preferences dialog box. Select "Debug" from the Category list. Click "Enable Debug Logging" to place a tick in the check box. You may also select to log to either the Java Console or to a specific file that you select. These instructions assume that you accept to log to the Java Console. Click OK.

  • Click the Connect toolbar icon, or select "Connect" from the "Connection" menu. You will see the host's login screen or a similar host welcome screen.

  • Log on to your 6530 host system and recreate the JET 6530 problem scenario you are experiencing.

  • After the problem you have identified has occurred, click the Disconnect from Remote Host toolbar icon, or select "Disconnect" from the "Connection" menu.

  • Internet Explorer writes the Java log to javalog.txt.
    For Windows 98 it is in C:\windows\java
    For Windows NT it is in C:\winnt\java
    Using Windows Explorer or the MS-DOS Prompt make a copy of the javalog.txt file. (Some programs do not read the log correctly from the original javalog.txt file, making a copy avoids this problem.)

Please create an email message, attach the log file, and send it to us at : jetsupport@platypuspartners.com

You will receive confirmation that your JET 6530 problem is in our support queue, problem status updates, and a fix (if necessary) when ready.

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Configuring to automatically open a web session

You can make JET 6530 automatically open a web session in a new window the first time it runs on a client. To do this set the applet parameters in the page used to load JET 6530 as follows:

Name Value
last_web_session 0
startup_operation open_session_new_window
startup_session session_name
web_session_name_0 session_name
web_session_url_0 url

For session_name use the name you choose. For url use the fully qualified URL pointing to the web session on your web server. For example, if the web server's name is intranet.acme.com and the web session file is called Accounts in the jet/session subdirectory of the web server's document directory then the URL might be:

http://intranet.acme.com/jet/session/Accounts

Users can change their preferences so that the web session is not opened in a new window when JET 6530 subsequently runs on their client. To change the preferences back to automatically opening a web session in a new window users can follow these steps:

  • Select Preferences from the Session menu
  • Select Startup from the Category list
  • Select Open Session in New Window for Startup Operation
  • Click OK

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Configuring your host for secure sessions

JET 6530 does not support specific secure sessions. It is recommended you use a separate network security product for secure sessions. 

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