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G&R » Support » Known Errors  

Known Errors

These are the known errors in our products, logged as reported with versions and platforms affected as well as corrections and work-arounds.

This list is largely historical, since it records all problems that have been reported throughout G&R history. Only the most recently reported problems still exist, unless you are using a very old copy of the product, in which case you should update the product to the most recent version.

E1147: Gspool, GUI interface to network printer can fail

Product: Gspool
Platform: Windows
Status: Fixed for 6.4, fix available for 6.3
Last updated: 2006-11-27 14:44:13

This problem concerns only Gspool using Windows GUI options. Gspool
using transparent print (-tp on) is not involved.

When Gspool is configured to use Windows GUI options it needs to use
the Windows GUI interface calls. These calls are efficient and
reliable if they are used on a system that has the appropriate
printer drivers installed i.e. rendering of the print into 'raw' print
commands for the printer in question is done locally.

If the printer is a network printer, and the Gspool system does not
have the appropriate driver installed, then Windows drives the GUI
interface across the network. This can fail completely, depending on
the particular printer driver on the remote printer system, or it can
work unreliably, sometimes returning errors. In all events, even if
it works, the Windows GUI-interface across the network is much slower
than the GUI-interface used locally.

This fix improves Gspool error reporting when it meets problems in
using the GUI interface across a network, but it cannot cure the
problems, which are in Windows network printing.

If Gspool is installed on a system where installation of printer
queues and drivers is not desirable or permitted, then the only good
solution, if GUI printer options are needed, is to instead install
Gspool on another system where this can be done. This precludes
installing Gspool for GUI printing on the Windows side of a GCOS7
Diane system, where installation of printer drivers is discouraged.

In general Gspool performance is always best if Gspool is installed
on the system owning the printer, or close to the network printer in
question. GCOS DSA connections to Gspool by RFC1006 are made over
standard TCP/IP networks, so delivering the GCOS-print directly to
Gspool on the system owning, or near, the target printer should not
present difficulties, and eliminates Windows network printing
limitations, and inefficiencies.

Note that the GgatePlus Professional license, in addition to licensing
Ggate, permits installation of Gspool, GUFT and Gproxy on as many
servers as the customer wishes.
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