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https://issues.apache.org/jira/browse/GUACAMOLE-997?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17076986#comment-17076986
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VW commented on GUACAMOLE-997:
------------------------------
Thanks for the advice. My first test with STATUS_NOT_SUPPORTED was not
successful, but now it works. Why the Microsoft Print system sending this read
request is unknown to me. On some of my systems these requests do not occur.
> Printing may fail if RDP server issues a read request
> -----------------------------------------------------
>
> Key: GUACAMOLE-997
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-997
> Project: Guacamole
> Issue Type: Bug
> Components: RDP
> Affects Versions: 1.0.0, 1.1.0, 1.2.0
> Environment: guacd in docker container
> Reporter: VW
> Priority: Minor
> Attachments: guacamole-server_printer_read_reqest_patch.txt
>
>
> A print job is created in the rdp session, but is not issued as a pdf to the
> client.
> Windows 2016/2019 Server
> guacd[839]: DEBUG: Ignoring printer cached configuration data
> guacd[839]: INFO: Print job created
> guacd[839]: INFO: Created PDF filter process PID=862
> guacd[839]: DEBUG: Reading output from filter process...
> guacd[862]: INFO: Running gs
> guacd[839]: ERROR: Unknown printer I/O request function: 0x3/0x0
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